Formulas

3036 pages in this section.

• 10°/10° Zig-zag Overshoot Check

  First and second overshoot angles in a 10°/10° zig-zag manoeuvre per IMO MSC.137(76): first overshoot ≤ 10° for L/V < 10 s, ≤ (5 + L/2V)° otherwise; second overshoot ≤ 25°.

• ABS - ACCU (Unattended machinery)

  ABS class notation ACCU - Unattended machinery. Eligibility + survey-scope check.

• ABS - AMS (Automated machinery)

  ABS class notation AMS - Automated machinery. Eligibility + survey-scope check.

• ABS - BIO-PROTECT (Anti-fouling)

  ABS class notation BIO-PROTECT - Anti-fouling. Eligibility + survey-scope check.

• ABS - CPS (Cyber-physical)

  ABS class notation CPS - Cyber-physical. Eligibility + survey-scope check.

• ABS - CSA (Container stress analysis)

  ABS class notation CSA - Container stress analysis. Eligibility + survey-scope check.

• ABS - ICE CLASS (ABS Ice)

  ABS class notation ICE CLASS - ABS Ice. Eligibility + survey-scope check.

• ABS - NAVI-WATCH (Integrated bridge)

  ABS class notation NAVI-WATCH - Integrated bridge. Eligibility + survey-scope check.

• ABS - POT (Port of Refuge)

  ABS class notation POT - Port of Refuge. Eligibility + survey-scope check.

• ABS - R1/R2 (Redundancy)

  ABS class notation R1/R2 - Redundancy. Eligibility + survey-scope check.

• ABS - RES (Research)

  ABS class notation RES - Research. Eligibility + survey-scope check.

• ABS - SFA (Spectral fatigue)

  ABS class notation SFA - Spectral fatigue. Eligibility + survey-scope check.

• ABS - SPS (Special purpose)

  ABS class notation SPS - Special purpose. Eligibility + survey-scope check.

• ABS - VSA (Vibration)

  ABS class notation VSA - Vibration. Eligibility + survey-scope check.

• ABS ENVIRO / ENVIRO+

  American Bureau of Shipping environmental class notation.

• ABS ENVIRO+ Extras

  Additional optional sub-notations available for ENVIRO+ ships - BWT, EGCS, Low-SOx, ShorePower (SP), UWN.

• ABS LNG Bunker Ready Notation

  Vessel-level readiness to receive LNG bunkers alongside - ship-to-ship or terminal transfer.

• ABS SMART Notation

  American Bureau of Shipping SMART notation - data-driven condition-based class survey regime.

• Accumulator Sizing (Isothermal)

  Gas-charged accumulator volume from usable oil volume and pressure band using the isothermal (n = 1) Boyle's law.

• Adiabatic Flame Temperature

  Approximate adiabatic flame temperature from fuel LCV, stoichiometric products and excess air. Bounded by gas dissociation in practice.

• Admiralty Coefficient Power

  Quick-look delivered power from displacement, speed and a ship-type Admiralty coefficient.

• Admiralty Constant - Delivered Power

  Delivered-power estimate at a new speed using the Admiralty constant derived from trial data - the classical scale-up for preliminary design.

• AER - Annual Efficiency Ratio

  Annual CO₂ intensity per deadweight-nautical-mile. Used by the Poseidon Principles (banks) and the IMO operational CII regime.

• AER - Attained vs Required

  Attained AER (Annual Efficiency Ratio) vs required benchmark - precursor metric to CII.

• Age Premium - Old Ship Rate Discount

  Rate discount for older ship on a given fixture - often 0.5-1 % per year above 15 y.

• AHTS - Bollard Pull Test

  AHTS (Anchor Handling / Tug / Supply) bollard pull certification per classification society - static vs dynamic.

• AHTS Fuel & CO₂

  Anchor Handling Tug Supply. Outside CII scope - benchmarked on bollard-pull-hour intensity.

• Air Change Rate (ACH)

  Ventilation rate in air-changes-per-hour from supply-air flow and room volume.

• Air Lubrication Saving

  Net fuel saving from an air-layer or micro-bubble lubrication system, netting out the compressor-power penalty.

• Air Resistance - Above-Water Drag

  Air resistance force on above-water superstructure given projected frontal area, drag coefficient, and relative wind speed.

• Air–Fuel Ratio (AFR) & Excess Air

  AFR and excess-air factor λ from measured fuel and air flows. Diesel engines typically λ = 2.0–3.5 at full load.

• AIS - Carriage Class A vs B

  AIS Class A vs Class B carriage requirement per SOLAS V Reg. 19 - driven by GT, area, and voyage type.

• Alarm Rationalisation - Alarm Rate Check

  Average alarm rate per hour per IEC 62682 alarm-management standard - excessive rates indicate need for alarm rationalisation.

• Algeciras (ES) - Port Card

  Algeciras, ES - annual throughput ~150,000 TEU, max draft 17 m. Gibraltar strait hub.

• Aliphatic Cargo - Segregation Table

  Aliphatic cargo (ethylene dichloride, propylene oxide) segregation from aromatic / heated / oxidiser cargoes.

• Alt Fuel - Bunker Premium

  Bunker premium of alternative fuels over VLSFO - methanol, LNG, ammonia, e-fuels.

• Ammonia - Core Properties

  Ammonia reference fuel card - NCV, density, CO₂ factor for energy-budget and emission calculations.

• Ammonia - Net Calorific Value

  Ammonia net calorific value - relevant for bunker sizing and dual-fuel engine tuning.

• Ammonia Fuel - NOx + N₂O Slip

  Estimated NOx + N₂O emissions per kWh for ammonia-fuelled engines - drives well-to-wake GHG footprint.

• Anchor Chain - Horizontal Tension & Sag

  Catenary equation for anchor chain - horizontal tension at fairlead given chain weight per metre and water depth.

• Anchor Chain Break Load by Grade

  Approximate break load of stud-link anchor chain from diameter and IACS steel grade.

• Anchor Holding Power

  Expected holding force H = HC × W, where HC is the holding coefficient by bottom type and W is the anchor weight.

• Anchor Holding Power - Wilson / Stevens

  Anchor holding power for common merchant-ship stockless anchors (Wilson coefficient × anchor weight) - basis for assessing single-anchor holding in wind/current.

• Anchor Scope - Chain Length Requirement

  Anchor-chain scope (length paid out) recommended for holding at different conditions - conservative rule-of-thumb multiplier on water depth.

• Annex V Polar Code - Garbage Rules

  Garbage-discharge restrictions applicable in polar waters per MARPOL Annex V + Polar Code - stricter than general rules.

• Antifouling Paint - Depletion Rate

  Antifouling paint depletion over a docking interval - self-polishing copolymer (SPC) loses ~5–15 µm/month depending on speed and trade area.

• Antwerp-Bruges (BE) - Port Card

  Antwerp-Bruges, BE - annual throughput ~200,000 TEU, max draft 23 m. Chemical capital EU.

• API ↔ SG Converter

  API gravity is the petroleum industry's inverse-SG scale. API = 141.5/SG − 131.5 (both at 60 °F).

• API gravity to density at 60 °F

  Convert °API to kg/m³. Precise factor for marine fuel engineering; sourced from NIST / ISO / MEPC reference tables.

• Apparent power kVA to kW at PF 0.8

  Convert kVA to kW @ PF 0.8. Precise factor for marine electrical engineering; sourced from NIST / ISO / MEPC reference tables.

• Appendage & Roughness Allowance

  ITTC-78 corrections applied to the bare-hull frictional coefficient before turning it into delivered power.

• Aqaba (JO) - Port Card

  Aqaba, JO - annual throughput ~50,000 TEU, max draft 14 m. Jordan Red Sea.

• Arbitration - Cost & Time Budget

  Budget for a maritime arbitration (LMAA / SCMA / HKIAC) given claim value - rule-of-thumb costs plus typical award timeline.

• Ashdod (IL) - Port Card

  Ashdod, IL - annual throughput ~70,000 TEU, max draft 14 m. Israel.

• Asphalt - Loading Temperature

  Asphalt loading temperature ~160-180 °C with steam-heated cargo tanks - basis for heater capacity.

• Asphaltene Reserve Stability Number

  Rough stability screen - residual fuel is stable if Reserve = P-value − 1 ≥ 0.4. Values below 0.2 indicate impending asphaltene precipitation.

• ASTM 54B Volume Correction Factor

  VCF for generalised petroleum products (table 54B) - converts bunker volume at observed temperature to volume at 15 °C.

• ASTM D1298 - Density, SG or API gravity by hydrometer

  ASTM D1298 test method - Density, SG or API gravity by hydrometer. Common lab test used for marine fuel quality assessment.

• ASTM D130 - Copper strip corrosion

  ASTM D130 test method - Copper strip corrosion. Common lab test used for marine fuel quality assessment.

• ASTM D189 - Carbon residue - Conradson

  ASTM D189 test method - Carbon residue - Conradson. Common lab test used for marine fuel quality assessment.

• ASTM D2270 - Viscosity index

  ASTM D2270 test method - Viscosity index. Common lab test used for marine lube quality assessment.

• ASTM D2272 - Oxidation stability - rotating pressure vessel

  ASTM D2272 test method - Oxidation stability - rotating pressure vessel. Common lab test used for marine lube quality assessment.

• ASTM D2622 - Sulphur in petroleum - XRF

  ASTM D2622 test method - Sulphur in petroleum - XRF. Common lab test used for marine fuel quality assessment.

• ASTM D2896 - Base number by perchloric acid titration

  ASTM D2896 test method - Base number by perchloric acid titration. Common lab test used for marine lube quality assessment.

• ASTM D3227 - Mercaptan sulphur - potentiometric

  ASTM D3227 test method - Mercaptan sulphur - potentiometric. Common lab test used for marine fuel quality assessment.

• ASTM D3279 - n-Heptane insolubles (asphaltenes)

  ASTM D3279 test method - n-Heptane insolubles (asphaltenes). Common lab test used for marine fuel quality assessment.

• ASTM D4055 - Pentane insolubles

  ASTM D4055 test method - Pentane insolubles. Common lab test used for marine lube quality assessment.

• ASTM D4172 - Wear preventive (Four-ball)

  ASTM D4172 test method - Wear preventive (Four-ball). Common lab test used for marine lube quality assessment.

• ASTM D4176 - Free water and particulate contamination

  ASTM D4176 test method - Free water and particulate contamination. Common lab test used for marine fuel quality assessment.

• ASTM D4294 - Sulphur in petroleum - ED-XRF

  ASTM D4294 test method - Sulphur in petroleum - ED-XRF. Common lab test used for marine fuel quality assessment.

• ASTM D4530 - Carbon residue - Micro method

  ASTM D4530 test method - Carbon residue - Micro method. Common lab test used for marine fuel quality assessment.

• ASTM D4739 - Base number by hydrochloric acid titration

  ASTM D4739 test method - Base number by hydrochloric acid titration. Common lab test used for marine lube quality assessment.

• ASTM D4740 - Fuel cleanliness and compatibility - spot test

  ASTM D4740 test method - Fuel cleanliness and compatibility - spot test. Common lab test used for marine fuel quality assessment.

• ASTM D482 - Ash from petroleum products

  ASTM D482 test method - Ash from petroleum products. Common lab test used for marine fuel quality assessment.

• ASTM D4868 - Heat of combustion by bomb calorimeter

  ASTM D4868 test method - Heat of combustion by bomb calorimeter. Common lab test used for marine fuel quality assessment.

• ASTM D5185 - Elemental analysis by ICP-AES

  ASTM D5185 test method - Elemental analysis by ICP-AES. Common lab test used for marine lube quality assessment.

• ASTM D5708 - Nickel / Vanadium / Iron in crude - ICP-AES

  ASTM D5708 test method - Nickel / Vanadium / Iron in crude - ICP-AES. Common lab test used for marine fuel quality assessment.

• ASTM D5950 - Pour point - automatic tilt method

  ASTM D5950 test method - Pour point - automatic tilt method. Common lab test used for marine fuel quality assessment.

• ASTM D6304 - Water by Karl Fischer

  ASTM D6304 test method - Water by Karl Fischer. Common lab test used for marine lube quality assessment.

• ASTM D6595 - Wear metals - RDE-OES

  ASTM D6595 test method - Wear metals - RDE-OES. Common lab test used for marine lube quality assessment.

• ASTM D664 - Total acid number (TAN)

  ASTM D664 test method - Total acid number (TAN). Common lab test used for marine fuel quality assessment.

• ASTM D7094 - Flash point - modified continuously closed cup

  ASTM D7094 test method - Flash point - modified continuously closed cup. Common lab test used for marine fuel quality assessment.

• ASTM D86 - Distillation at atmospheric pressure

  ASTM D86 test method - Distillation at atmospheric pressure. Common lab test used for marine fuel quality assessment.

• ASTM D892 - Foaming characteristics

  ASTM D892 test method - Foaming characteristics. Common lab test used for marine lube quality assessment.

• ASTM D93 - Flash point (Pensky-Martens Closed Cup)

  ASTM D93 test method - Flash point (Pensky-Martens Closed Cup). Common lab test used for marine fuel quality assessment.

• ASTM D97 - Pour point

  ASTM D97 test method - Pour point. Common lab test used for marine fuel quality assessment.

• Auckland (NZ) - Port Card

  Auckland, NZ - annual throughput ~70,000 TEU, max draft 14 m. NZ North.

• Auxiliary Engine Load Factor

  Aggregates the major electrical and mechanical aux-consumers to get the average running load and resulting genset load factor.

• Availability

  A = MTBF / (MTBF + MTTR) - the fraction of calendar time the equipment is capable of operating.

• Bales Seakeeping Rank

  Bales seakeeping rank from ship geometry - a scalar metric that combines L, B, T, C_WP, C_VP to rank hull forms for seakeeping quality in the North Atlantic.

• Ballast Exchange - Volumetric Method

  Volumetric ballast-water exchange - requires 300 % full tank volume pumped through to achieve 95 % replacement per BWM D-1.

• Ballast-Leg Correction

  Attributes ballast-leg fuel to the paired laden leg so the round-trip EEOI reflects real commercial performance.

• Bar to Megapascals

  Convert bar to MPa using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Bar to psi

  Convert bar to psi using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Barcelona (ES) - Port Card

  Barcelona, ES - annual throughput ~110,000 TEU, max draft 14 m. North West Med.

• Barrels (petroleum) to US gallons

  Convert bbl to USgal. Precise factor for marine cargo engineering; sourced from NIST / ISO / MEPC reference tables.

• Barrels to Cubic Metres

  Convert bbl to m³ using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Barrels to US Gallons

  Convert bbl to USgal using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Base Number to Na equivalent

  Convert mg KOH/g to ppm Na. Precise factor for marine lube engineering; sourced from NIST / ISO / MEPC reference tables.

• Basel Convention - Waste Export Check

  Basel Convention notification requirement for transboundary movement of hazardous waste - flag state's notification to importing state.

• Battery - Ah to Wh Conversion

  Convert battery Amp-hour to Watt-hour capacity for marine DC systems at specific voltage levels - emergency lighting 24 V, main services 110 V, DP 220 V.

• Battery - C-Rate Current

  Convert a battery C-rate (e.g. 0.5C, 1C, 2C) into continuous discharge current given pack Ah rating - the figure used for peak-shaving and cold-start sizing.

• Battery Bank - Cycle Life vs Discharge

  Battery cycle life as a function of depth of discharge (DoD) - a simple exponential fit used to budget ESS lifetime in hybrid installations.

• Battery Hybrid / Peak-Shaving

  Battery packs smooth the aux-engine load profile - absorbing peaks, filling troughs - so gensets run closer to their best-SFOC operating point.

• BDN & ROB Reconciliation

  Mass-balance method for fuel consumed per IMO MEPC.282(70) and EU MRV - the default where a mass-flow meter is not fitted.

• Beach-Landing Intact Stability Margin

  Intact-stability margin for a ro-ro vessel with ramp down on beach - accounting for loss of reserve buoyancy forward.

• Bearing Defect Frequencies

  BPFI, BPFO, BSF and FTF - the four characteristic vibration frequencies that appear in an envelope spectrum for a rolling-element bearing with a defect.

• Bearing Temp - Alarm Check

  Shaft-line bearing temperature alarm - 65 °C normal, 75 °C alarm, 80 °C trip per maker.

• Beaufort ↔ Hs / Wind

  Lookup of wind speed range + typical significant wave height from the Beaufort scale.

• Bernoulli - Head Balance

  Total-head balance between two points in an incompressible flow - the classical Bernoulli equation for pump/pipe calculations.

• Berthing Energy - Fender Impact

  Berthing kinetic energy absorbed by fender - the sizing formula for pier fender selection per PIANC WG33.

• Berthing Energy (PIANC)

  Kinetic energy to be absorbed by fenders: E = ½·M·v²·Cm·Ce·Cs·Cc (PIANC WG33 / BS 6349-4).

• Bilge Plate Thickness

  Approximate bilge-plate thickness from rule formula t = k·(L/100)·√(d + 2.0) mm, where d is draft.

• Bilge Transfer - Pump-Down Time

  Time to pump down an engine-room bilge-holding tank to the next transfer-destination, given bilge-pump capacity and tank level.

• BIMCO CII Operations Clause Cost Allocation

  Simplified owner / charterer split of SEEMP Part III corrective-plan costs under BIMCO's 2022 CII Operations Clause.

• Bio-methanol - Core Properties

  Bio-methanol reference fuel card - NCV, density, CO₂ factor for energy-budget and emission calculations.

• Biodiesel B100 FAME - Core Properties

  Biodiesel B100 FAME reference fuel card - NCV, density, CO₂ factor for energy-budget and emission calculations.

• Biofouling Management Plan - Compliance

  Biofouling management plan mandatory per MEPC.378(80) - applies to all ships 2025 onwards + Australia / New Zealand port state already.

• Biofuel Blend - B24/B30 Energy Budget

  Energy and CO₂ content of a VLSFO-biofuel blend (B24, B30, B100) - basis for tank sizing and CII/EU-MRV reporting.

• Biofuel Blend - Existing Engine Compatibility

  Biofuel blend compatibility with existing engine + fuel system - gaskets, separator, storage tank.

• Black Carbon

  GWP20 ≈ 460 makes BC a disproportionately potent short-lived forcer.

• Blend Compatibility (SPOT / CCAI)

  Compatibility screening for two marine residual fuels before co-mingling on board. Combines a Calculated Carbon Aromaticity Index (CCAI) mass-weighted mix with the CCAI difference as a proxy for ASTM D4740 Spot-test risk.

• Block Coefficient - Ship-Type Ranges

  Block coefficient C_B reference ranges for common merchant ship types - the starting parameter for hull-form specification and resistance screening.

• Block Coefficient (Cb)

  Ratio of displacement volume to the enclosing L·B·T block - the most-cited hull fullness indicator.

• BM - from Waterline Inertia

  Transverse metacentric radius BM from transverse moment of inertia of waterplane divided by displaced volume - fundamental stability geometry.

• BNWAS - Dormancy-Alert Timing

  Bridge Navigational Watch Alarm System - dormancy period then stage 1 → 2 → 3 alarm per SOLAS V Reg. 19.2.2.3.

• Bodily Sinkage from Weight Addition

  Parallel sinkage (or rise) when a weight is added - Δdraft = w / TPC.

• Boiler - Direct-Method Efficiency

  Boiler thermal efficiency by direct method - steam output energy / fuel input energy.

• Boiler Blowdown - Conductivity Check

  Boiler surface-blowdown trigger - when conductivity exceeds 3 000 µS/cm for auxiliary boilers.

• Boiler Efficiency - Direct Method

  Direct (input-output) efficiency: useful heat in steam vs. fuel energy. Fast and accurate when steam flow and fuel flow are metered.

• Boiler Fuel Consumption

  Marine boiler fuel rate from steam demand, evaporation enthalpy, efficiency and fuel LCV.

• Boiler Water - Hardness

  Boiler water hardness control - ≤ 2 ppm CaCO₃ for auxiliary boilers.

• BOL - Role & Endorsement

  Bill of lading role - document of title, receipt, evidence of contract. Negotiability via endorsement.

• Bollard Pull - BHP Conversion

  Bollard pull in tonnes from brake horse power using the empirical BP/BHP coefficient - the quick tug-capability screen.

• Bosch Smoke Number Interpretation

  Quick classification of a Bosch smoke-number reading from 0 (clean) to 10 (black), aligned with typical Tier II/III engine limits.

• Bow Flare Slam - Sea-Swell Check

  Bow-flare slam frequency for a ship with significant flare angle - occurs in head seas when bow flare hits the approaching wave.

• Bow Slam Pressure - Ochi Formula

  Design slam pressure on bow plating using Ochi-Motter empirical formula - basis for local scantling reinforcement forward of 0.15 L.

• Bow Slamming - Probability Estimate

  Probability of bow slamming per wave encounter (Ochi 1964) based on bow forefoot emergence and relative vertical velocity.

• Brake horsepower to kW

  Convert bhp to kW. Precise factor for marine engine engineering; sourced from NIST / ISO / MEPC reference tables.

• Brake Mean Effective Pressure (BMEP)

  Single useful indicator of engine output intensity. BMEP = Pb·60·k / (V·N), where k=1 for 2-stroke, k=2 for 4-stroke.

• Brake Thermal Efficiency

  Brake thermal efficiency from SFOC and fuel LCV. η_th = 3600 / (SFOC · LCV).

• Brayton Cycle - Gas Turbine Efficiency

  Ideal Brayton-cycle thermal efficiency given pressure ratio and specific-heat ratio - the air-standard LM2500/MGT baseline.

• Break-Even Freight Rate

  Minimum USD/t that makes a voyage cash-positive: (voyage costs + OPEX × days) / B/L tonnes.

• Breakdown exclusion calculator

  Apportion breakdown time between vessel and shore for laytime accounting.

• Bretschneider Spectrum - Spectral Density

  Spectral density S(ω) of the two-parameter Bretschneider spectrum at angular frequency ω given significant wave height H_s and modal period T_p.

• Brisbane (AU) - Port Card

  Brisbane, AU - annual throughput ~80,000 TEU, max draft 14 m. Queensland.

• Broaching Risk in Following Seas

  Broaching-to risk rises when wave celerity c exceeds 1.8·V_ship AND wave length is 1–3 × LBP.

• Brokerage - Commission Sharing

  Brokerage commission on sale & purchase / charter - typically 1 % for S&P, 1.25 % for charter, split among brokers.

• BTU to Kilojoules

  Convert BTU to kJ using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• BTU/h to Kilowatts

  Convert BTU/h to kW using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Buenos Aires (AR) - Port Card

  Buenos Aires, AR - annual throughput ~110,000 TEU, max draft 13 m. Rio de la Plata.

• Bulbous Bow - Retrofit Savings

  Fuel-saving estimate from a retrofit optimised bulbous bow - re-designed for the ship's actual operating draft and speed.

• Bulk - Shore Loading Rate Check

  Shore loading-rate check against ship's max acceptable rate per BLU Code - stress-limit coordination.

• Bulk Carrier CII

  MEPC.337 bulk-carrier reference line.

• Bulk Sulphur - Dust Explosion Risk

  Bulk sulphur (granular or pellets) IMSBC Group B - dust-explosion risk during loading/discharging.

• Bunker - Density Temperature Correction

  Convert observed bunker-fuel density @ T_obs to density @ 15 °C using ASTM D4311 - the standard bunker survey adjustment.

• Bunker - Microbial Contamination

  Fuel microbial contamination detection - water + sludge + bacterial count > 100 CFU/mL alarm.

• Bunker Adjustment Factor (BAF)

  BAF surcharge on base freight when bunker price moves above a trigger - liner trades and contract affreightments.

• Bunker Adjustment Factor (BAF)

  Bunker Adjustment Factor recalculation when fuel price changes - the standard time-charter / liner tariff adjustment clause.

• Bunker Compatibility - Spot Test

  Bunker compatibility spot test (ASTM D4740) - precipitate observed when two fuels are mixed.

• Bunker Convention 2001 - Liability Scope

  Bunker Convention 2001 coverage - compulsory insurance for fuel-oil spill compensation for ships > 1,000 GT.

• Bunker Density vs Temperature (ISO 91-1)

  Convert observed bunker volume to contractual mass by correcting density from the delivery temperature to 15 °C.

• Bunker Dispute - Sample Test Variance

  Acceptable variance between BDN quality and retained-sample laboratory result - thresholds for commercial challenge.

• Bunker Sampling - Drip Sample Check

  Representative bunker drip-sample protocol - continuous sampling throughout delivery, sealed sample per MEPC.182(59).

• Bunker Stem - Optimal Quantity

  Optimal bunker-stem size given ROB, differential price between the current and next port, and safety margin - the basic lift/leave split that underpins bunker-economics routing.

• Bunker Survey - Wedge Formula

  Wedge-formula approximation for fuel volume in a trimmed tank - used when the tank is not fully level (typical sounding condition).

• Bunker Viscosity - at Injection T

  HFO viscosity at injection temperature - targets 12–17 cSt for proper atomisation.

• Burrill Thrust-Loading Coefficient τ_c

  Thrust-loading coefficient τ_c for propeller back cavitation assessment per Burrill 1943 chart - screens whether back cavitation area is acceptable.

• Busan (KR) - Port Card

  Busan, KR - annual throughput ~220,000 TEU, max draft 17 m. Korean hub.

• BV - AALS (Automatic anti-lock)

  BV class notation AALS - Automatic anti-lock. Eligibility + survey-scope check.

• BV - AUT-UMS (Unattended ER)

  BV class notation AUT-UMS - Unattended ER. Eligibility + survey-scope check.

• BV - CPS-ER (Corrosion prot)

  BV class notation CPS-ER - Corrosion prot. Eligibility + survey-scope check.

• BV - Stackable (Container)

  BV class notation Stackable - Container. Eligibility + survey-scope check.

• BV CLEANSHIP / SUPER CLEANSHIP

  Bureau Veritas environmental notation in two tiers.

• BWM Convention - Discharge Locations

  Ballast-water exchange vs treatment location compliance under BWM Convention.

• BWMS - Type-Approval Test Classification

  BWMS type-approval test classification per MEPC.300(72) / USCG 46 CFR 162 - criteria against D-2 standard.

• BWMS UV - Applied Dose Check

  UV dose (mJ/cm²) delivered by a ballast-water UV treatment system - compared to the reference 40 mJ/cm² target per USCG BWMS type-approval practice.

• C10 - Pacific RV

  C10 benchmark route for Capesize: Pacific RV. Rate × distance → TCE.

• C14 - China → Brazil RV

  C14 benchmark route for Capesize: China → Brazil RV. Rate × distance → TCE.

• C17 - Saldanha Bay → Qingdao

  C17 benchmark route for Capesize: Saldanha Bay → Qingdao. Rate × distance → TCE.

• C5 - W.Aus → China (iron ore)

  C5 benchmark route for Capesize: W.Aus → China (iron ore). Rate × distance → TCE.

• C7 - Colombia → ARA (coal)

  C7 benchmark route for Capesize: Colombia → ARA (coal). Rate × distance → TCE.

• Cabin CO₂ - Time to Threshold

  Time to reach a CO₂ threshold in an occupied cabin with limited ventilation - the sizing logic for fresh-air make-up.

• Cable - Trefoil vs Flat Formation

  Cable-ampacity difference between trefoil and flat formation per IEC 60287 - ship cable trays rarely perfect trefoil.

• Cable Ampacity - Derating Factors

  Apply temperature and grouping derating factors to IEC 60092-352 ampacity - final allowable continuous current for a marine cable run.

• Cable length to metres (nautical)

  Convert cable to m. Precise factor for marine navigation engineering; sourced from NIST / ISO / MEPC reference tables.

• Cable Voltage Drop (3-phase)

  Steady-state voltage drop across a 3-phase cable run: ΔU = √3·I·L·(R·cos φ + X·sin φ).

• Cable-Layer Fuel & CO₂

  Submarine-cable installation vessels. Outside CII scope; per-km-cable-laid intensity serves as the industry benchmark.

• CAC Condensate - Formation Check

  Charge-air-cooler condensate formation - occurs when air dew point > CAC outlet T. Water droplets damage engine.

• Cai Mep (VN) - Port Card

  Cai Mep, VN - annual throughput ~100,000 TEU, max draft 16 m. Deep-water HCMC.

• Calorific value — kcal/kg to BTU/lb

  Convert kcal/kg to BTU/lb. Precise factor for marine fuel engineering; sourced from NIST / ISO / MEPC reference tables.

• Capacity Basis - DWT vs GT

  Which capacity metric applies under EEDI, EEXI, and CII differs by ship type and regulation.

• Cape Town (ZA) - Port Card

  Cape Town, ZA - annual throughput ~80,000 TEU, max draft 15 m. SA West.

• CARB At-Berth Regulation

  California Air Resources Board requires visiting ocean-going vessels to connect to shore power (or use a CARB-approved emission-control system) within a set time after berthing, in Californian ports of Los Angeles, Long Beach, Oakland, San

• Carbon intensity — nm basis to km basis

  Convert gCO₂/t·nm to gCO₂/t·km. Precise factor for marine emissions engineering; sourced from NIST / ISO / MEPC reference tables.

• Cargo Certificate - SOLAS VI Check

  Shipper's cargo-information certificate check per SOLAS VI Reg. 2 - mandatory before loading bulk / general cargo.

• Cargo Compatibility - Reactive Pair Check

  Screen incompatible cargo pairs per IMDG / USCG compatibility chart - common chemical-tanker hazard classes.

• Cargo Gas - Reid Vapour Pressure

  Reid Vapour Pressure (RVP) of light cargoes (gasoline, naphtha) vs environmental and safety limits.

• Cargo Heat - Spontaneous Combustion

  Self-heating hazard classification for bulk cargoes (coal, DRI, sulphide) - temperature trend and gas composition.

• Cargo Heat-Up - Time from Boiler

  Time to warm a heated cargo from current temperature to discharge-pumpable temperature given boiler steam output and cargo mass - used in HFO and asphalt loading plans.

• Cargo Heating - Fuel Cost per Voyage

  Voyage fuel cost to keep a heated cargo (HFO, asphalt, vegoil) above its discharge-pumpable temperature given ambient seawater and tank U-value.

• Cargo Heating Coil - Area Requirement

  Heating-coil area required to maintain cargo T = steam duty / (U × ΔT).

• Cargo Heating Coil - Steam Pressure

  Steam supply pressure required for cargo heating coils to transfer design heat duty - correlates to saturation temperature.

• Cargo Heating Duty (Q = U·A·ΔT)

  Heat duty to hold tank cargo at setpoint - steady-state loss through tank walls only.

• Cargo Heating Sensor Calibration

  Cargo-heating RTD sensor calibration check - max 2 °C offset vs portable thermometer for accurate heating control.

• Cargo Hold - Heat Release Rate

  Estimated heat-release rate (HRR) from a developing cargo fire in a hold - basis for sizing fire-fighting water or CO₂ suppression.

• Cargo Insurance - ICC Clause Type

  Institute Cargo Clauses (A, B, C) coverage selection - level of peril covered for marine cargo insurance.

• Cargo P/V Valve - Setting Check

  P/V valve setting check vs tank design pressure - positive and vacuum side.

• Cargo Tank - Acid-Base Incompat.

  Sequential-cargo compatibility - acid tank loaded with base without proper cleaning = exothermic reaction risk.

• Cargo Tank - LEL / UEL Check

  Cargo-tank atmosphere LEL / UEL check - must be either below LEL or inerted below O₂ threshold.

• Cargo Tank Venting - Velocity Check

  Check cargo-tank venting outlet velocity - SOLAS II-2 Reg. 11.6 requires ≥ 30 m/s from P/V outlet to disperse vapour.

• Cartagena Colombia (CO) - Port Card

  Cartagena Colombia, CO - annual throughput ~110,000 TEU, max draft 17 m. Caribbean container.

• Caterpillar 3512C Marine - MCR per Cylinder

  Caterpillar 3512C Marine engine card: 1320 kW per cylinder at 1600 rpm, SFOC 203 g/kWh.

• Caterpillar C280-16 - MCR per Cylinder

  Caterpillar C280-16 engine card: 4020 kW per cylinder at 1000 rpm, SFOC 195 g/kWh.

• Caterpillar C32 Marine - MCR per Cylinder

  Caterpillar C32 Marine engine card: 746 kW per cylinder at 1800 rpm, SFOC 205 g/kWh.

• Cathodic Protection - Required Current

  Required cathodic protection current for hull underwater area given current density and coating condition - screen ICCP / sacrificial anode sizing.

• Cathodic Protection Current Density

  Typical cathodic-protection current-density requirement for uncoated vs coated steel in sea water per DNV-RP-B401.

• cbDIST - CO₂ per capacity nautical mile

  Generic capacity-normalised operational CO₂ intensity. Use whatever capacity denominator is appropriate for the fleet comparison - DWT, GT, TEU, lane-metre, reefer plug, etc.

• CCAI - Calculated Carbon Aromaticity Index

  Ignition-quality index for residual marine fuels. CCAI = ρ₁₅ − 81 − 141·log(log(ν₅₀ + 0.85)). Values > 870 correlate with hard-starting and combustion noise.

• CCS - MRV-CHINA (China MRV)

  CCS class notation MRV-CHINA - China MRV. Eligibility + survey-scope check.

• CCS - NIBS (Integrated bridge)

  CCS class notation NIBS - Integrated bridge. Eligibility + survey-scope check.

• Celsius to Fahrenheit

  Convert °C to °F using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Celsius to Kelvin

  Convert °C to K using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Cement Carrier CII

  General-cargo reference under MEPC.337. Pneumatic discharge is the fuel-specific quirk.

• Centipoise to Pa·s

  Convert cP to Pa·s using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Cetane Index - ASTM D4737 (improved)

  ASTM D4737 improved 4-variable Cetane Index formula (preferred over D976 for regulatory use).

• Cetane Index - ASTM D976 (4-variable)

  Calculated Cetane Index for distillate marine fuels using ASTM D976 four-variable formula - a surrogate for DCN / cetane number when no engine test is available.

• Cetane Index (ASTM D976)

  Estimate cetane index from density and mid-boiling point (T50) - the lab proxy for actual cetane number on distillate fuels.

• CFM to m³/h (ventilation)

  Convert ft³/min to m³/h. Precise factor for marine hvac engineering; sourced from NIST / ISO / MEPC reference tables.

• cgDIST - CO₂ per gross-tonnage nautical mile

  The capacity-normalised operational CO₂ metric for ships where gross tonnage is the better capacity basis than deadweight - ro-pax, ro-ro vehicle carriers, and cruise ships per MEPC.337(76).

• CH₄ Methane Slip
• Charge Air Cooler - Effectiveness

  Charge-air-cooler (CAC) thermal effectiveness - (T_in − T_out) / (T_in − T_sw).

• Charge Air Cooler Effectiveness

  ε = (T1 − T2) / (T1 − T_cw) - CAC effectiveness. Modern marine CAC typically 0.70–0.85.

• Charleston (US) - Port Card

  Charleston, US - annual throughput ~100,000 TEU, max draft 14 m. US SE.

• Charter - Freight / Demurrage Deposit

  Pre-voyage freight deposit requirement and demurrage deposit on fixture - the standard shipper-owner cash flow.

• Charter - Off-Hire Deduction

  Off-hire deduction from a time-charter hire payment when the vessel is not fully available - per NYPE / Baltime clauses.

• Charter - Off-Hire Grace Period

  Off-hire grace period before cost deductible - typically 6 hours for machinery issues under NYPE Cl. 15.

• Charter - Withdraw Ship for Unpaid Hire

  Owner's right to withdraw ship for unpaid hire under NYPE Cl. 11 - anti-technicality notice requirement.

• Charter Clause - GENCON 1994 Cl. 4

  GENCON 1994 Cl. 4: Freight rate + currency. Reference summary for contract negotiation + dispute.

• Charter Clause - GENCON 1994 Cl. 5

  GENCON 1994 Cl. 5: Loading / discharging. Reference summary for contract negotiation + dispute.

• Charter Clause - NYPE Cl. 11

  NYPE Cl. 11: Non-payment + withdrawal. Reference summary for contract negotiation + dispute.

• Charter Clause - NYPE Cl. 15

  NYPE Cl. 15: Off-hire. Reference summary for contract negotiation + dispute.

• Charter Clause - NYPE Cl. 17

  NYPE Cl. 17: BIMCO sanctions clause. Reference summary for contract negotiation + dispute.

• Charter Clause - NYPE Cl. 2

  NYPE Cl. 2: Period / delivery window. Reference summary for contract negotiation + dispute.

• Charter Clause - NYPE Cl. 23

  NYPE Cl. 23: War risks. Reference summary for contract negotiation + dispute.

• Charter Clause - NYPE Cl. 30

  NYPE Cl. 30: Dispute resolution (LMAA / SCMA / HKIAC). Reference summary for contract negotiation + dispute.

• Charter Clause - NYPE Cl. 31

  NYPE Cl. 31: Bunker quantity + quality. Reference summary for contract negotiation + dispute.

• Charter Clause - NYPE Cl. 35

  NYPE Cl. 35: Ice clauses. Reference summary for contract negotiation + dispute.

• Charter Clause - NYPE Cl. 37

  NYPE Cl. 37: Piracy clause. Reference summary for contract negotiation + dispute.

• Charter Clause - NYPE Cl. 4

  NYPE Cl. 4: Hire rate. Reference summary for contract negotiation + dispute.

• Charter Clause - NYPE Cl. 6

  NYPE Cl. 6: Payment of hire. Reference summary for contract negotiation + dispute.

• Charter Clause - NYPE Cl. 8

  NYPE Cl. 8: Speed + bunker consumption warranty. Reference summary for contract negotiation + dispute.

• Charter Party - Standard Form Pick

  Standard charter-party form selection - BIMCO vs others - by segment + duration.

• Chartering - LLMC Liability Cap

  Limit of Liability for Maritime Claims (LLMC) - SDR-based cap on non-personal-injury + personal-injury claims.

• Chem Tanker - Stripping Residue

  Chemical tanker stripping-residue limits per IBC Code Ch. 5 - 100 / 300 L per tank depending on cargo category.

• Chem Tanker - Venting Type Check

  Venting arrangement (open / controlled / closed) required per IBC Code Ch. 8 - a function of cargo flammability.

• Chemical Tanker - Prewash Requirement

  Check whether prewash is required per MARPOL Annex II Reg. 13 - mandatory for Cat X and high-viscosity / solidifying cargoes.

• Chennai (IN) - Port Card

  Chennai, IN - annual throughput ~80,000 TEU, max draft 13 m. India east.

• china msa dcs

  See live calculator aside for regulator URLs.

• Chittagong (BD) - Port Card

  Chittagong, BD - annual throughput ~80,000 TEU, max draft 10 m. Bangladesh.

• CII - Required Line by Year

  Required CII for a given ship-type and year - the benchmark used in the A-E rating thresholds.

• CII - SFOC & Fuel Mix Quick Check

  Quick CII check from main-engine SFOC, auxiliary-engine load, and ship-size parameters - for design-stage sensitivity.

• CII - Year-on-Year Improvement

  CII year-on-year improvement vs required - rising required curve + stable attained → improving rating.

• CII 3-Year Corrective Plan

  After D-for-three-years or a single E rating, owners submit a SEEMP Part III plan projecting how to return to at least C.

• CII Attained (MEPC.336(76))

  The Annual Efficiency Ratio variant of the Carbon Intensity Indicator, used for most cargo ships of ≥ 5,000 GT.

• CII Attained vs Required (Headroom / Deficit)

  For a ship that already knows its attained CII for the reporting year (from the CII Attained calculator, the EU MRV report, the IMO DCS submission, or noon-report aggregation), this calculator computes the Required CII for the chosen year a

• CII Corrective Trajectory

  For a ship that has triggered the CII corrective action plan requirement under MARPOL Annex VI Regulation 28.10 (rated D for three consecutive years or E for one year), the corrective action plan must project the attained CII forward over t

• CII Fuel Mix Correction

  When a ship operates on multiple fuels (LNG dual-fuel, methanol dual-fuel, ammonia dual-fuel, biofuel-blended bunkers, drop-in renewable diesel, hydrogen pilot trials), the attained CII is no longer the simple single-fuel calculation of the

• CII Rating (MEPC.339(76))

  Converts a ship's attained CII and required CII into the A–E rating that MARPOL Annex VI uses to flag compliance and trigger corrective-action plans.

• CII Required (MEPC.337(76), MEPC.338(76))

  The target operational carbon intensity for a given ship, year, and ship type.

• CII Voyage Adjustments & Exclusions (MEPC.355(78))

  Recognised exclusions let operators deduct fuel+distance for voyages that burn fuel without corresponding commercial work.

• Class Notation - ABS ENVIRO+

  ABS ENVIRO+ notation - enhanced environmental performance beyond MARPOL.

• Class Notation - DNV Clean Design

  DNV Clean Design notation - reduced environmental impact via fuel / cargo / ballast / sewage + OPS readiness.

• ClassNK - CCO(RS) (Remote survey)

  ClassNK class notation CCO(RS) - Remote survey. Eligibility + survey-scope check.

• ClassNK - Digital Grade A/B/C (Digital)

  ClassNK class notation Digital Grade A/B/C - Digital. Eligibility + survey-scope check.

• ClassNK - IWSP (IWS prep)

  ClassNK class notation IWSP - IWS prep. Eligibility + survey-scope check.

• ClassNK - NIBS-M1/M2 (Integrated bridge)

  ClassNK class notation NIBS-M1/M2 - Integrated bridge. Eligibility + survey-scope check.

• ClassNK - PSPC(B) (Coating ballast)

  ClassNK class notation PSPC(B) - Coating ballast. Eligibility + survey-scope check.

• ClassNK GF (Gas-Fuelled) Notation

  ClassNK notation for ships using gas as primary fuel - certifies IGF Code compliance + additional GF-specific requirements.

• ClassNK IE / Innovation Notation

  Japanese class society ClassNK's innovation notation, combining a baseline IE (Innovative Environmental) with stackable sub-notations.

• CLC - Oil Pollution Compensation Limit

  Civil Liability Convention limitation of shipowner's liability for oil pollution - based on GT.

• Clean Shipping Index (CSI)

  Cargo-owner-driven 0–100 index across five environmental categories.

• Closed Gauging - Temp-Density Error

  Error in net cargo quantity from a 1 °C mis-read temperature or 1 kg/m³ density mis-report, at a typical ullage gauge - the drivers of ship-to-shore figure disputes.

• Closed Scrubber - FW Consumption

  Closed-loop scrubber fresh-water make-up for NaOH dosing + blowdown - OPEX impact beyond NaOH.

• CO Emissions
• CO₂ % in Flue Gas

  Theoretical (dry) CO₂ concentration in flue gas as a function of excess air - useful cross-check against stack analyser.

• CO₂ Cylinder Bank (Machinery Space)

  CO₂ mass for an engine-room fixed extinguishing system at 40 % volume concentration per FSS Code Ch.5.

• CO₂ from Fuel (Cf method)
• CO₂ per kWh to per MJ

  Convert kg CO₂/kWh to g CO₂/MJ. Precise factor for marine emissions engineering; sourced from NIST / ISO / MEPC reference tables.

• CO₂ per MJ equivalence to per GJ

  Convert g CO₂/MJ to kg CO₂/GJ. Precise factor for marine emissions engineering; sourced from NIST / ISO / MEPC reference tables.

• CO₂ Room - Over-Pressure Check

  CO₂ room peak over-pressure after total release - venting / relief panel sizing check.

• CO₂ System - 85 % Discharge in 2 min

  Check fixed CO₂ system performance per FSS Code Ch. 5: 85 % of the protected-space volume must be discharged within 2 minutes for engine room / cargo hold systems.

• CO₂ System - Volume Adequacy Check

  Check required CO₂ cylinder bank capacity against protected-space volume - 35 % design concentration for cargo holds, 40 % engine-room.

• Coal - Self-Heating Indicator

  IMSBC coal self-heating screening - temperature rise, CH₄ / CO concentrations in cargo space trigger action.

• Coal Methane - Ventilation Rate

  Hold-ventilation rate required to keep methane below 20 % LEL during coal voyage - fresh-air make-up calculation.

• Coating - Bilge Paint

  Bilge Paint coating card: Black-oil-resistant epoxy.

• Coating - Chemical Tank Epoxy

  Chemical Tank Epoxy coating card: Phenolic-epoxy, 1-2 y immersion.

• Coating - Chemical Tank Zinc Silicate

  Chemical Tank Zinc Silicate coating card: Inorganic zinc, alkali-resistant.

• Coating - Chugoku Seaflo Neo-CF

  Chugoku Seaflo Neo-CF coating card: Japanese SPC.

• Coating - Deck Non-slip

  Deck Non-slip coating card: Silica-filled epoxy.

• Coating - Engine Room High-temp

  Engine Room High-temp coating card: Aluminium-silicate, 500 °C.

• Coating - Epoxy Intermediate

  Epoxy Intermediate coating card: Anti-corrosive build coat.

• Coating - Hard Antifouling Ablative

  Hard Antifouling Ablative coating card: Copper tin-free, 3-4 y docking.

• Coating - Hempadur Avantguard

  Hempadur Avantguard coating card: Hempel zinc-activated primer.

• Coating - Hempaguard X7

  Hempaguard X7 coating card: Hempel silicone fouling-release.

• Coating - International Interzone

  International Interzone coating card: Tank coating - cargo-resistant.

• Coating - Intersleek 1100SR

  Intersleek 1100SR coating card: AkzoNobel silicone, high-gloss.

• Coating - Intersmooth 7465

  Intersmooth 7465 coating card: AkzoNobel SPC copper, biocidal.

• Coating - Intertank GTA 007

  Intertank GTA 007 coating card: Tank coating - LNG service.

• Coating - IOPP Cargo Tank Coating

  IOPP Cargo Tank Coating coating card: Marine gas oil approved.

• Coating - Jotamastic 90

  Jotamastic 90 coating card: Jotun universal primer.

• Coating - Jotun SeaForce Active

  Jotun SeaForce Active coating card: SPC copper.

• Coating - Jotun SeaQuantum

  Jotun SeaQuantum coating card: Fluorinated SPC.

• Coating - KCC Vebatex

  KCC Vebatex coating card: Korean SPC.

• Coating - LNG Tank Secondary Barrier

  LNG Tank Secondary Barrier coating card: Membrane / polyurethane foam.

• Coating - Nippon Marine LF-Sea

  Nippon Marine LF-Sea coating card: Low-friction fouling release.

• Coating - Polyurethane Topcoat

  Polyurethane Topcoat coating card: UV-resistant, topside.

• Coating - Propeller Anti-fouling

  Propeller Anti-fouling coating card: Silicone foul-release.

• Coating - Rudder Hardening

  Rudder Hardening coating card: Wear-resistant nickel-aluminium bronze.

• Coating - SPC Antifouling - Copper

  SPC Antifouling - Copper coating card: Copper-based self-polishing, 5 y docking.

• Coating - SPC Antifouling - Silicone

  SPC Antifouling - Silicone coating card: Fouling-release, 10+ y lifetime.

• Coating - Water Ballast PSPC

  Water Ballast PSPC coating card: Edge-stripe + main coat per PSPC(B).

• Coating - Weld Seam Sealer

  Weld Seam Sealer coating card: Pre-fabrication shop primer.

• Coating - Zinc Epoxy Primer

  Zinc Epoxy Primer coating card: Water-tank epoxy - 150 µm DFT, PSPC approved.

• Coating - Zinga Zinc

  Zinga Zinc coating card: Cold galvanising, cathodic.

• Coating Adhesion Pull-off Test

  ISO 4624 pull-off adhesion strength - marine specs require ≥ 3 MPa for new-build coatings, ≥ 5 MPa for PSPC-qualified.

• Cofferdam Heating - Duty & Surface Temperature

  Cofferdam glycol-heater duty required to keep inner-hull steel above the brittle-fracture limit (+5 °C) given cargo-tank temperature and ambient seawater.

• Cold Ironing (OPS) Savings

  Fuel and CO₂ savings when a ship plugs into Onshore Power Supply (OPS) instead of running auxiliary engines at berth.

• Collision Bulkhead Position (SOLAS II-1 Reg 11)

  Collision bulkhead must sit between 0.05·Ls and 0.08·Ls from the forward perpendicular (up to 3 m).

• Collision Energy Absorption (DNV)

  Bow-to-side collision kinetic energy at impact: E = ½ · M_eff · V² between two ships of different size.

• Colombo (LK) - Port Card

  Colombo, LK - annual throughput ~100,000 TEU, max draft 14 m. Sri Lanka hub.

• Compartment Permeability (SOLAS II-1)

  Lookup of permeability μ by compartment type per SOLAS II-1 Reg 7-3 - the fraction of compartment volume that can actually flood.

• Compass Error - Variation + Deviation

  Convert compass course to true course using variation (chart) and deviation (deviation card) - the classical "True Virgins Make Dull Company" chain.

• Compression Ratio

  Compression ratio rk = (V_s + V_c) / V_c - dominant driver of Otto/Diesel cycle efficiency.

• Concentration — mol/m³ to ppm at STP

  Convert mol/m³ to ppm. Precise factor for marine gas engineering; sourced from NIST / ISO / MEPC reference tables.

• Conduction Through a Wall

  Steady-state conduction through a plane wall: Q = k·A·ΔT / L. The U·A building block for every insulation calculation.

• Container - ACEP / Inspection Interval

  Container safety inspection under ACEP per CSC Convention - 24-month first inspection, then 30-month intervals.

• Container - Mis-declared DG Impact

  Risk / insurance cost of a mis-declared dangerous-goods container - estimated from typical box value × chain of loss.

• Container - Reefer Plug Count

  Reefer socket count typically offered on container ship classes - 4 % (feeder) to 20 % (reefer carrier).

• Container - VGM Method Check

  SOLAS VI Reg. 2 verified gross mass (VGM) method - Method 1 (weigh loaded container) or Method 2 (sum + 5 %).

• Container Hatch Cover - Deck Load

  Design deck load on a container-ship hatch cover from stack weight - basic scantling input per CSR Containerships.

• Container Lashing - Twist-Lock Load

  Twist-lock / lashing-rod load under roll-plus-pitch accelerations - the CSS Code transverse-acceleration check.

• Container Ship CII

  MEPC.337 container-ship reference line.

• Container Stack - Max Weight Check

  Check maximum stack weight vs lashing / corner-post capacity per ISO 1496-1 and CSS Code - the basic containerised-cargo planning constraint.

• Containers-Shanghai-LA - Shanghai → Los Angeles (SCFI)

  Containers-Shanghai-LA benchmark route for Containership: Shanghai → Los Angeles (SCFI). Rate × distance → TCE.

• Containers-Shanghai-NewYork - Shanghai → New York (SCFI)

  Containers-Shanghai-NewYork benchmark route for Containership: Shanghai → New York (SCFI). Rate × distance → TCE.

• Containers-Shanghai-Rotterdam - Shanghai → Rotterdam (SCFI)

  Containers-Shanghai-Rotterdam benchmark route for Containership: Shanghai → Rotterdam (SCFI). Rate × distance → TCE.

• COP - Cooling

  Coefficient of performance for cooling: useful evaporator duty divided by compressor work. The headline refrigeration efficiency number.

• COP - Heating (Heat Pump)

  Heat-pump COP: useful condenser duty / compressor work. COP_heat = COP_cool + 1 in an ideal cycle.

• Corrosion Rate - NACE / ASTM G1

  Uniform corrosion rate in mm/year from coupon weight loss - the standard NACE/ASTM G1 calculation used for cargo-tank and ballast-tank monitoring.

• Corrugated Bulkhead - Section Modulus

  Section modulus of a unit corrugation in a vertical corrugated cargo-hold bulkhead - the primary scantling check per CSR-BC Part 1.

• Course to Steer with Tidal Stream

  Course-to-steer and speed-over-ground when a tidal stream sets across the track. Vector triangle closure.

• COW - Tank Cycle per MARPOL

  Crude-Oil Washing tank cycle rate per MARPOL Annex I Reg. 33 - 25 % of cargo tanks per voyage minimum.

• CPA / TCPA

  Closest Point of Approach distance and time from own-ship and target course+speed. The core radar plotting relationship for COLREG compliance.

• Crane Dynamic Factor - DNV-ST-0378

  Hoisting dynamic factor ψ for offshore and shipboard cranes per DNV-ST-0378 / API 2C - the multiplier on static load for design.

• Crane Pedestal - Overturning Moment

  Crane-pedestal overturning moment from load × radius × dynamic factor - drives structural reinforcement.

• Crane Tipping Moment - SWL vs Radius

  Safe working load at a given radius for a jib crane with triangular stability limit - SWL × radius = constant overturning moment.

• Crankcase Explosion - Cooling Time

  Waiting time before opening crankcase after an OMD trip - 30 minutes cooling minimum per MAN ES / WinGD.

• Crankcase Explosion-Relief Area (UR M9)

  Minimum total vent area of explosion-relief valves for a crankcase, per IACS UR M9.

• Crankcase Oil Mist - Alarm Check

  Crankcase oil-mist detector (OMD) alarm - 2.5 mg/L trips engine per IACS UR M10.

• Crash Stop Distance

  Track reach during full-astern crash stop - IMO MSC.137(76) requires ≤ 15 L. Order-of-magnitude estimate using momentum and astern thrust.

• Crew Change - Cost & P&I Cover

  Rough crew-change cost per seafarer - airfare, agency, quarantine, medicals - with P&I cover note.

• Cross-Flooding Equalisation Time

  Time to equalise an asymmetrically flooded tank pair through a cross-flooding duct - must be ≤ 10 min per MSC.245(83) / MSC.362(92).

• Crude Oil Tanker CII

  Ship-type-specific CII for crude tankers (VLCC, Suezmax, Aframax, Panamax).

• Crude Oil Wash - Volume Budget

  COW crude-oil volume required for a cargo-tank wash - empirical for ISGOTT 6 / MARPOL Reg. 33.

• Crude Oil Washing - Programme Sizing

  Crude-Oil-Washing programme duration and estimated residue removed per MARPOL Annex I Reg. 33 - single-stage top wash.

• Cruise - Cabin Noise Limit

  Cabin-noise limits per IMO Res. A.468(XII) - crew cabins ≤ 55 dB(A); passenger cabins ≤ 50 dB(A).

• Cruise - Pool Water Dispensing

  Pool water turnover rate per US VSP / EU Vessel Sanitation Plan - minimum 6 h turnover for cruise pools.

• Cruise - Provisions Per PAX Per Day

  Provisions consumption per passenger per day for a cruise ship - used for cargo hold sizing and port-resupply planning.

• Cruise - Waste Water Tank Sizing

  Greywater + blackwater holding-tank sizing for a cruise ship between port discharges - sized by pax × day × per-capita flow.

• Cruise Ship CII

  MEPC.337 cruise-ship reference line.

• cSt to Saybolt Universal Seconds (low range)

  Convert cSt to SUS. Precise factor for marine fuel engineering; sourced from NIST / ISO / MEPC reference tables.

• CTV (Crew Transfer Vessel) Fuel & CO₂

  Offshore-wind Crew Transfer Vessels - fast cats that ferry technicians from shore to turbines. Outside CII scope; operators benchmark per technician-transfer.

• Cube Law Fuel Ratio

  Quick ratio of main-engine fuel at two speeds using V^n scaling. Screened separately from the voyage-slow-steaming page for one-liner use.

• Cubic Feet to Cubic Metres

  Convert ft³ to m³ using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Cubic Metres to Barrels

  Convert m³ to bbl using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Cubic Metres to US Gallons

  Convert m³ to USgal using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Cummins Marine QSK19 - MCR per Cylinder

  Cummins Marine QSK19 engine card: 559 kW per cylinder at 2100 rpm, SFOC 208 g/kWh.

• Cummins Marine QSK38 - MCR per Cylinder

  Cummins Marine QSK38 engine card: 1193 kW per cylinder at 1800 rpm, SFOC 205 g/kWh.

• Cummins Marine QSK60-M - MCR per Cylinder

  Cummins Marine QSK60-M engine card: 1864 kW per cylinder at 1900 rpm, SFOC 200 g/kWh.

• Cummins Marine QSM-11 - MCR per Cylinder

  Cummins Marine QSM-11 engine card: 477 kW per cylinder at 2300 rpm, SFOC 215 g/kWh.

• Cylinder Balance Check

  Maximum cylinder-to-cylinder Pmax / EGT deviation from mean - alarm threshold ±5 % per IACS / engine-maker standard.

• Cylinder Liner - Wear Rate Limit

  Cylinder liner wear rate benchmark - 0.03–0.08 mm / 1000 h typical for 2-stroke; rising trend indicates oil or fuel issue.

• Cylinder Oil Feed Rate - MAN ACC

  MAN Anti-Corrosion Control feed-rate formula: 0.26 g/kWh × %S × BN70/BN_actual, minimum 0.6 g/kWh.

• Cylinder Oil Feed Rate - WinGD LCD

  WinGD Load-Change-Dependent feed-rate at given load and BN. Encourages under-feeding at part-load to cut lube consumption.

• D-2 Discharge Compliance Check

  BWM Convention D-2 limits for treated ballast water: ≤ 10 viable organisms/m³ (≥ 50 µm) and ≤ 10/mL (10–50 µm).

• Daihatsu Daihatsu DE-28 - MCR per Cylinder

  Daihatsu Daihatsu DE-28 baseline: 500 kW per cylinder at 720 rpm, SFOC 194 g/kWh. Compute MCR + fuel for given cylinder count.

• Daily OPEX Build-up

  Sum of operating-expense categories to get a daily OPEX figure - the break-even baseline for time-charter pricing.

• Damage - Permeability Factor

  Compartment permeability for damage stability - dry cargo 0.7, liquid 0.95, machinery 0.85 per SOLAS II-1.

• Damage Stability - B/5 Line Assumption

  Damage penetration depth per classical SOLAS II-1 deterministic rule - horizontal penetration ≤ B/5 measured inboard from the moulded side.

• Damage Stability - Margin-Line Clearance

  Margin-line clearance check - in damaged condition, the waterline must not immerse the margin line (76 mm below bulkhead deck at side) per SOLAS II-1 Reg. 7.

• Damage Stability - Multi-Draft A

  Multi-draft attained A index (ds / dp / dl) per SOLAS II-1 Reg. 6 - weighted 0.4 / 0.4 / 0.2.

• Dampier (AU) - Port Card

  Dampier, AU - annual throughput ~50,000 TEU, max draft 19 m. Iron ore + LNG.

• Darcy-Weisbach Pressure Drop

  Pipe-run pressure drop from friction factor, length, diameter and velocity. h_f = f·(L/D)·V²/2g.

• Dead Reckoning - Error Growth

  Dead-reckoning position error growth from course, speed, leeway and current errors over elapsed time - the uncertainty budget for DR legs.

• Dead-Reckoning Position

  Advance an initial position by a course and speed for a given elapsed time - the basic DR calculation.

• Deck Section Modulus

  Deck section modulus Z_d = I / y_d - governs bending stress in compression at the deck for a sagging wave.

• Deck Wetness - Freeboard Exceedance

  Probability of bow freeboard exceedance (deck wetness) per wave encounter using the Rayleigh distribution and motion σ.

• Deck-Foam Concentrate - Required Volume

  Deck-foam concentrate volume for tankers per SOLAS II-2 Reg. 10.8 - minimum 20 min foam generation over the cargo area at the design application rate.

• Degrees to Mils

  Convert deg to mil using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Degrees to Radians

  Convert deg to rad using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Demurrage / Despatch

  Demurrage charge for laytime exceeded, or despatch credit for laytime saved. Despatch typically half the demurrage rate.

• Demurrage time bar deadline

  Compute the deadline by which a demurrage claim must be submitted.

• Density — kg/m³ to lb/USgal

  Convert kg/m³ to lb/USgal. Precise factor for marine fuel engineering; sourced from NIST / ISO / MEPC reference tables.

• Density — lb/USgal to kg/m³

  Convert lb/USgal to kg/m³. Precise factor for marine fuel engineering; sourced from NIST / ISO / MEPC reference tables.

• Density at 60 °F to API gravity

  Convert kg/m³ to °API. Precise factor for marine fuel engineering; sourced from NIST / ISO / MEPC reference tables.

• Density g/ml to kg/m³

  Convert g/ml to kg/m³ using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Density g/ml to lb/USgal

  Convert g/ml to lb/USgal using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Density kg/m³ to g/ml

  Convert kg/m³ to g/ml using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Despatch: ATS vs AWTS comparison

  Side-by-side despatch payable under all time saved vs all working time saved.

• Displacement Volume - Simpson's 1st Rule

  Volumetric integration of the submerged hull through ordinates of section area × spacing.

• Distance by Vertical Sextant Angle

  Distance off a landmark of known height using the sextant vertical angle. Classical pilotage method.

• Dittus–Boelter Convection

  Nusselt number (and film coefficient h) for turbulent pipe flow: Nu = 0.023·Re^0.8·Pr^n (n = 0.4 heating, 0.3 cooling).

• DME - Core Properties

  DME reference fuel card - NCV, density, CO₂ factor for energy-budget and emission calculations.

• DNV - BIS (Built for In-water Survey)

  DNV class notation BIS - Built for In-water Survey. Eligibility + survey-scope check.

• DNV - BWM (Ballast water management)

  DNV class notation BWM - Ballast water management. Eligibility + survey-scope check.

• DNV - COAT-PSPC(B) (Coating ballast tanks)

  DNV class notation COAT-PSPC(B) - Coating ballast tanks. Eligibility + survey-scope check.

• DNV - DP(AAA) (Dynamic positioning)

  DNV class notation DP(AAA) - Dynamic positioning. Eligibility + survey-scope check.

• DNV - E0 (Unattended machinery)

  DNV class notation E0 - Unattended machinery. Eligibility + survey-scope check.

• DNV - FIRE (Extended fire protection)

  DNV class notation FIRE - Extended fire protection. Eligibility + survey-scope check.

• DNV - HELDK (Helicopter operations)

  DNV class notation HELDK - Helicopter operations. Eligibility + survey-scope check.

• DNV - ICE(1A) (Ice class 1A FSICR)

  DNV class notation ICE(1A) - Ice class 1A FSICR. Eligibility + survey-scope check.

• DNV - NAUT-OSV (Bridge layout OSV)

  DNV class notation NAUT-OSV - Bridge layout OSV. Eligibility + survey-scope check.

• DNV - NV (Naval ships)

  DNV class notation NV - Naval ships. Eligibility + survey-scope check.

• DNV - Recyclable (Ship recycling)

  DNV class notation Recyclable - Ship recycling. Eligibility + survey-scope check.

• DNV - REF (Refrigerated cargo)

  DNV class notation REF - Refrigerated cargo. Eligibility + survey-scope check.

• DNV - Smart (Digital twin)

  DNV class notation Smart - Digital twin. Eligibility + survey-scope check.

• DNV - VC (Vibration comfort)

  DNV class notation VC - Vibration comfort. Eligibility + survey-scope check.

• DNV Battery Power Notation

  Eligibility for DNV's Battery Power notation - hybrid ESS-equipped ships with battery as propulsion / peak-shaving source.

• DNV CLEAN / CLEAN DESIGN

  Voluntary class notation from DNV for environmental performance beyond MARPOL.

• DNV Gas Ready Notation Levels

  Readiness levels (Level 1–3) for converting a conventionally-fuelled ship to LNG/gas fuel in the future.

• DNV SILENT Notation Tiers

  DNV SILENT tiers by application: SILENT-A (seismic), SILENT-F (fishery research), SILENT-R (scientific research), SILENT-E (environmental).

• Dock Water Allowance

  Brackish water interpolation between FWA (fresh) and zero (sea).

• Docking Approach - Velocity Check

  Check docking-approach velocity vs typical allowable for ship size - higher velocity risks fender / terminal damage.

• Doosan Doosan 16V250E - MCR per Cylinder

  Doosan Doosan 16V250E engine card: 2400 kW per cylinder at 900 rpm, SFOC 192 g/kWh.

• Doosan Doosan 18V222LD - MCR per Cylinder

  Doosan Doosan 18V222LD engine card: 2200 kW per cylinder at 900 rpm, SFOC 195 g/kWh.

• Doosan Doosan V180 - MCR per Cylinder

  Doosan Doosan V180 baseline: 600 kW per cylinder at 1800 rpm, SFOC 195 g/kWh. Compute MCR + fuel for given cylinder count.

• Double Bottom Height

  Minimum double-bottom height per SOLAS II-1 Reg 9: greater of B/15 or 760 mm, up to 2 m.

• DP - Thrust Capability Curve

  Available thrust envelope for DP station-keeping given number of thrusters and worst-case single-failure scenario.

• DP Class 2 - Failure Envelope Capacity

  DP Class 2 post-failure capability envelope - wind + current worst-case envelope after single fault per IMCA M140.

• DP FMEA - Single-Fault Post Capability

  DP Class 2/3 single-fault post-capability check - verify that after any single failure the vessel still holds position in the environmental envelope.

• DP Station-Keeping - Footprint Radius

  DP station-keeping footprint radius under a given environmental load, based on worst-case single-failure capability - the practical output of IMCA M140 analysis.

• DP Station-Keeping Footprint

  DP-operated vessel's station-keeping circle radius under environmental load, per IMCA M103 footprint test.

• Draft Change from Density Change

  Mean-draft change when entering water of different density - the core FWA / DWA relation, scaled for any density delta.

• Draft Change with Water Density

  Wall-sided draft scaling with water density; ship sinks when density drops.

• Dredger Fuel & CO₂

  Trailing-suction hopper dredgers (TSHD) and cutter-suction dredgers (CSD). Outside CII scope; benchmarked per m³ of material dredged.

• DRI - Passivation Requirement

  Direct-Reduced Iron passivation check per IMSBC - (A, B, C) grade determines inerting / cooling requirement.

• Drill String - Hook Load

  Drillstring hook-load calculation - weight of drill pipe + collars × buoyancy factor.

• Drilling Mud - Formation Pressure Balance

  Mud density needed to balance formation pressure - mud hydrostatic > formation pressure + safety margin.

• Drillship Fuel & CO₂

  Offshore drillships. Outside CII scope; benchmarked on per-day and per-1,000-ft drilled intensity.

• Dry-docking Cost & Frequency

  Lifetime cost of scheduled dry-docking across an asset's trading life.

• Drydock - Day-Rate Cost

  Drydock day-rate cost estimate - yard occupation fee + crew + steel + paint for a typical 15-year special survey.

• Drydock Block - Load per Block

  Line-loading on keel blocks during docking for a ship of given displacement and LBP - screens whether blocks / cribbing design is adequate.

• Dubai (Jebel Ali) (AE) - Port Card

  Dubai (Jebel Ali), AE - annual throughput ~180,000 TEU, max draft 17 m. Middle East hub.

• Duqm (OM) - Port Card

  Duqm, OM - annual throughput ~40,000 TEU, max draft 18 m. Oman Arabian Sea.

• Durban (ZA) - Port Card

  Durban, ZA - annual throughput ~110,000 TEU, max draft 16 m. South Africa East.

• Dynamic viscosity — Pa·s to centipoise

  Convert Pa·s to cP. Precise factor for marine fuel engineering; sourced from NIST / ISO / MEPC reference tables.

• Dynamical Stability - Area under GZ

  Dynamical stability (energy reserve) at an angle is Δ × area under GZ curve - the energy available to resist a gust or heeling impulse.

• e-Methanol - Core Properties

  e-Methanol reference fuel card - NCV, density, CO₂ factor for energy-budget and emission calculations.

• Earth Fault - Leakage Current

  Earth-fault leakage current for marine IT (isolated) distribution - the basis for alarm-setting on insulation-monitoring devices.

• ECA Fuel-Cost Premium

  For a ship that switches between high-sulphur HFO outside Emission Control Areas (ECAs) and ECA-compliant 0.10% sulphur fuel (typically MGO) inside ECAs, the annual fuel-cost premium relative to HFO-only operation is determined by the ECA f

• ECDIS - Chart Update Interval

  Verify ECDIS chart & ENC last-update status.

• Economic Order Quantity (EOQ)

  EOQ = √(2·D·K / h) - order-size that minimises total ordering + holding cost for a spare.

• EEBD Duration - SOLAS II-2 Check

  Check Emergency Escape Breathing Device (EEBD) service duration against SOLAS II-2 Reg. 13.4 minimum 10 min capacity at moderate activity.

• EEDI Attained (MEPC.328(76))

  The Energy Efficiency Design Index is the design-phase carbon-intensity metric for new ships under MARPOL Annex VI. It pairs with CII on the operational side.

• EEDI fcᵤbᵢc - Cubic Capacity Correction

  Applies to chemical tankers with parcel-carrier arrangements where cargo-volume-to-DWT ratio exceeds 1.7.

• EEDI fᵥˢᵉ - Voluntary Structural Enhancement
• EEDI Ice-class Correction (fⱼ)
• EEDI Innovative-Technology Credit (MEPC.1/Circ.815)

  Credit subtracted from the EEDI numerator:

• EEDI Phase Factor
• EEDI Reference Line
• EEDI Required (MEPC.328(76))
• EEOI - Energy Efficiency Operational Indicator

  Cargo-work-based CO₂ intensity per MEPC.1/Circ.684 - the oldest of the IMO operational intensity metrics and still used where actual cargo utilisation matters more than nominal capacity.

• EEXI Attained (MEPC.328(76))

  The existing-ship analogue of EEDI. Same formula, but the reference speed V_ref is derived at 75 % of the limited engine power (via EPL or ShaPoLi), which tightens the denominator and forces older ships into compliance without a full retrof

• EEXI Required (MEPC.328(76))
• EGR Rate for Tier III Compliance

  Approximate Exhaust Gas Recirculation rate required to reduce engine-out NOx to Tier III limit without urea.

• Embodied CO₂ of Shipbuilding

  Cradle-to-gate embodied CO₂ for a new ship's hull and machinery.

• Emergency Fire Pump - SOLAS Requirement

  Emergency fire-pump capacity per SOLAS II-2 Reg. 10 - independent of main switchboard, capable of providing two hydrants at regulation pressure.

• Encounter Frequency

  Wave-encounter frequency seen by a moving ship: ω_e = ω − (ω²·V·cos μ)/g.

• Encounter Spectrum - Peak Frequency

  Peak encounter frequency ω_e-peak for a ship at speed V in seas of peak frequency ω_p, heading μ - basis for heading-optimisation to avoid resonance.

• End-of-Life Recycling GHG

  GHG balance of ship recycling - tow-fuel, dismantling energy, and the scrap-steel credit that displaces virgin blast-furnace steel.

• Energy density — electrical to thermal per volume

  Convert kWh/m³ to MJ/m³. Precise factor for marine energy engineering; sourced from NIST / ISO / MEPC reference tables.

• Engine - CO₂ per kWh

  CO₂ emission per kWh of engine output from SFOC and fuel CO₂ factor.

• Engine - Combustion Air Flow

  Combustion air mass flow from engine power and excess-air ratio - basis for T/C + intake design.

• Engine - HFO vs LSMGO Cost Break-even

  Break-even bunker-price difference where HFO + scrubber becomes cheaper than LSMGO - the retrofit economics.

• Engine - ISO 3046 MCR Derating

  Engine MCR derating for non-standard ambient per ISO 3046 - inlet T, pressure, humidity.

• Engine - Pcomp vs Pmax Ratio

  Ratio of peak firing pressure (Pmax) to compression pressure (Pcomp) - the simplest indicator of injection timing quality on a slow-speed 2-stroke.

• Engine - Thermal Efficiency

  Brake thermal efficiency from SFOC and fuel NCV - ~50 % typical for slow-speed 2-stroke, 44 % for medium-speed 4-stroke.

• Engine BMEP - From Output Data

  Brake Mean Effective Pressure from engine power, displacement, and speed - the primary engine-load benchmark.

• Engine Intake - Pressure Loss Limit

  Engine-intake total pressure loss limit - ~35 mmWC alarm, 50 mmWC stop. Fouled filter / silencer reduces engine output.

• Engine LO Consumption - Rate Check

  Main-engine lube-oil consumption rate vs shop-test baseline - trending identifies liner wear, fuel dilution or ring sealing issues.

• Engine Room - Ventilation Flow

  Engine-room ventilation flow sized for combustion air + ambient cooling.

• Engine Room UMS / E0 - Criteria Check

  UMS / E0 class notation criteria check per IACS UR M10 - unattended machinery space operation for 24 h+.

• Engine Sludge - Generation Rate

  Engine-sludge generation rate from fuel oil + separator - basis for sludge tank sizing.

• Environmental Ship Index (ESI)

  Voluntary 0–100 index covering NOx, SOx, CO₂ and shore-power performance; used by 50+ ports to award port-fee rebates.

• EPIRB - Coverage Check

  406 MHz EPIRB carriage + float-free arrangement check per SOLAS IV Reg. 7.1.6 - mandatory on ships ≥ 300 GT.

• EPL - Engine Power Limitation

  Attained EEDI/EEXI scales as $P^{2/3}$ (numerator linear in P; $V_\text{ref}$ scales as $P^{1/3}$). Solve:

• EPL Required MCR Reduction

  For a ship subject to MARPOL Annex VI Regulation 25 (EEXI), Engine Power Limitation (EPL) under MEPC.335(76) or Shaft Power Limitation (ShaPoLi) under MEPC.357(78) is the standard compliance mechanism when technical or operational measures

• Equipment Number (IACS UR A1)

  Anchor + chain sizing starts from the Equipment Number. IACS UR A1 combines displacement, side projected area and tier-level superstructure areas.

• Equivalent Evaporation

  'From-and-at 100 °C' evaporation - the canonical boiler capacity rating. m_eq = m·(h_g − h_fw)/2257.

• Escort Tug - Operating Speed Window

  Operating-speed window of an escort tug based on rudder-direct / indirect assist mode - the governance of escort missions for laden tankers.

• ESI - Environmental Ship Index

  Environmental Ship Index from NOx, SOx, CO₂ and OPS capability - major ports give port-due discounts for high ESI.

• Estimated Cetane Number (ISO 8217 Annex)

  Annex E of ISO 8217 - cetane-number proxy for ultra-low-sulphur distillates (DMA, DMB, DFA, DMZ) when the CFR engine cetane test is not available.

• ETA at Pilot Station - Basic Calc

  Estimated Time of Arrival at the pilot station given remaining distance and current speed over ground - the basic sailing-plan building block.

• Ethanol - Tanker Segregation

  Ethanol / alcohol tanker segregation from other cargoes per IBC Code Ch. 17 and USCG compatibility chart - water-miscible, foam-breaking hazard.

• EU ETS - Allowance Surrender Schedule

  EU ETS allowance surrender deadline - 30 September each year for the previous year's verified emissions.

• EU ETS - Annual Allowance Cost

  Annual EU-ETS allowance cost for shipping based on EU-linked CO₂ emissions, phase-in factor, and current EUA price.

• EU ETS EUA Liability (Directive (EU) 2023/959)

  Annual EU Allowances (EUAs) a ship must surrender.

• EU ETS Phase-in
• EU ETS Scope Factor
• EU MRV - Annual Report Scope

  EU MRV 2015/757 reporting scope - all voyages into, between and out of EU ports for ships > 5 000 GT.

• EU MRV Emissions Report
• EU MRV to EU ETS Allowance Crosswalk

  The EU ETS Maritime regime (Directive (EU) 2023/959, in force 1 January 2024) requires shipping companies to surrender EU Allowances (EUAs) for emissions reported under the EU MRV Regulation (Reg (EU) 2015/757 as amended by Reg (EU) 2023/95

• EU Ship Recycling - Approved Yard Check

  EU Ship Recycling Regulation 1257/2013 - EU-flag ships must be recycled at an EU-approved yard in the European List.

• Ex-Meridian Latitude

  Latitude from a sun altitude taken near (but not exactly at) meridian passage. Handy when cloud closes in at LAN.

• Excess Air Factor λ from Exhaust O₂

  Back-calculate λ = AFR / AFR_stoich from measured exhaust-gas oxygen percentage.

• Exhaust-Gas Boiler - Fouling Check

  Exhaust-gas economiser fouling detection - pressure-drop increase + feedwater temp drop.

• Exhaust-to-Intake Temperature Ratio

  Ratio of exhaust-gas to charge-air temperature - a sensitive indicator of cylinder fuel balance, valve timing and cooler performance.

• Fahrenheit to Celsius

  Convert °F to °C using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Fahrenheit to Kelvin

  Convert °F to K. Precise factor for marine general engineering; sourced from NIST / ISO / MEPC reference tables.

• Fan Pressure Rise & Power

  Static, velocity, total pressure and input kW for a marine ventilation / engine-room-supply fan.

• Fathoms to Metres

  Convert fath to m using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Feet to Metres

  Convert ft to m using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Felixstowe (GB) - Port Card

  Felixstowe, GB - annual throughput ~100,000 TEU, max draft 14 m. UK largest container.

• Fender Reaction at Deflection

  Peak reaction force from a fender's reaction-deflection curve for a given energy absorption.

• Fillet Weld - Throat Thickness Rule

  Required fillet-weld leg length for a double-continuous weld on shell/bulkhead stiffeners per IACS UR W7 / class rule factor of parent-plate thickness.

• Filter Smoke Number → Black Carbon

  Convert an FSN (Bosch) reading to mass-concentration black carbon in exhaust, per IMO's correlation function.

• Fin Efficiency

  Efficiency of a straight fin of uniform cross-section: η_fin = tanh(m·L) / (m·L).

• Finnish-Swedish Ice Class (IA Super / IA / IB / IC)

  Minimum machinery output per FSICR 2021 for Baltic winter operation: P_min = K·(Δ + D_k)^(2/3).

• Fire Main Diameter (SOLAS II-2)

  Minimum fire main internal diameter per SOLAS II-2 Reg 10: d = 25 + 1.68·√(L·(B+D)).

• Fire Nozzle - Required Discharge

  Nozzle discharge Q from orifice area, pressure and coefficient of discharge - sizing for portable fire hose and monitor nozzles.

• Fire Protection - SOLAS Class A/B/C

  SOLAS II-2 bulkhead fire-protection class A, B, C - insulation duration vs adjacent space category.

• Fire Pump - Priming Time

  Emergency fire pump priming / start time - must deliver water in ≤ 45 seconds per SOLAS II-2 Reg. 10.

• Fire Pump Capacity (SOLAS)

  Minimum fire pump capacity per SOLAS II-2 Reg 10: Q = (0.15·√(L·(B+D)) + 2.25)², capped at 180 m³/h.

• Fire-Main - Pressure & Flow Check

  Fire-main hydraulic check per SOLAS II-2 Reg. 10 - minimum pressure 0.27 N/mm² at any two hydrants and jet throw from nozzle.

• Flag State - Australia (AU)

  Australia (AU) shipping registry: ~280 thousand GT registered. AU national.

• Flag State - Bahamas (BS)

  Bahamas (BS) shipping registry: ~2,000 thousand GT registered. Commonwealth open.

• Flag State - Belgium (BE)

  Belgium (BE) shipping registry: ~750 thousand GT registered. EU national.

• Flag State - Brazil (BR)

  Brazil (BR) shipping registry: ~320 thousand GT registered. Brazilian national.

• Flag State - Canada (CA)

  Canada (CA) shipping registry: ~230 thousand GT registered. Canadian.

• Flag State - Chile (CL)

  Chile (CL) shipping registry: ~140 thousand GT registered. Chilean.

• Flag State - China (CN)

  China (CN) shipping registry: ~2,500 thousand GT registered. Domestic + offshore PRC.

• Flag State - Croatia (HR)

  Croatia (HR) shipping registry: ~130 thousand GT registered. EU national.

• Flag State - Cyprus (CY)

  Cyprus (CY) shipping registry: ~1,500 thousand GT registered. EU flag - open.

• Flag State - Denmark (DIS) (DK)

  Denmark (DIS) (DK) shipping registry: ~1,100 thousand GT registered. Danish International.

• Flag State - Egypt (EG)

  Egypt (EG) shipping registry: ~170 thousand GT registered. Egyptian.

• Flag State - Estonia (EE)

  Estonia (EE) shipping registry: ~120 thousand GT registered. EU national - tonnage tax.

• Flag State - France (FR)

  France (FR) shipping registry: ~650 thousand GT registered. French national.

• Flag State - Germany (DE)

  Germany (DE) shipping registry: ~900 thousand GT registered. German national + GIS.

• Flag State - Greece (GR)

  Greece (GR) shipping registry: ~2,400 thousand GT registered. Owners prefer own flag.

• Flag State - Hong Kong SAR (HK)

  Hong Kong SAR (HK) shipping registry: ~4,200 thousand GT registered. Chinese flag.

• Flag State - IMSAS Audit

  IMO Member State Audit Scheme (IMSAS) cycle - mandatory since 2016, 7-year interval for flag states.

• Flag State - India (IN)

  India (IN) shipping registry: ~410 thousand GT registered. Indian register.

• Flag State - Indonesia (ID)

  Indonesia (ID) shipping registry: ~520 thousand GT registered. Domestic register.

• Flag State - Iran (IR)

  Iran (IR) shipping registry: ~300 thousand GT registered. NITC.

• Flag State - Isle of Man (IM)

  Isle of Man (IM) shipping registry: ~1,250 thousand GT registered. British-affiliated.

• Flag State - Italy (IT)

  Italy (IT) shipping registry: ~1,100 thousand GT registered. EU national.

• Flag State - Japan (JP)

  Japan (JP) shipping registry: ~1,400 thousand GT registered. Japanese national.

• Flag State - Korea, Republic of (KR)

  Korea, Republic of (KR) shipping registry: ~1,050 thousand GT registered. Korean national.

• Flag State - Liberia (LR)

  Liberia (LR) shipping registry: ~5,400 thousand GT registered. Open registry - second largest.

• Flag State - Malaysia (MY)

  Malaysia (MY) shipping registry: ~350 thousand GT registered. Malaysian.

• Flag State - Malta (MT)

  Malta (MT) shipping registry: ~2,600 thousand GT registered. EU flag - open register.

• Flag State - Marshall Islands (MH)

  Marshall Islands (MH) shipping registry: ~5,200 thousand GT registered. Open registry - offshore friendly.

• Flag State - Mexico (MX)

  Mexico (MX) shipping registry: ~220 thousand GT registered. Mexican.

• Flag State - Morocco (MA)

  Morocco (MA) shipping registry: ~180 thousand GT registered. Moroccan.

• Flag State - Netherlands (NL)

  Netherlands (NL) shipping registry: ~750 thousand GT registered. EU national.

• Flag State - Nigeria (NG)

  Nigeria (NG) shipping registry: ~150 thousand GT registered. Nigerian.

• Flag State - Norway (NIS) (NO)

  Norway (NIS) (NO) shipping registry: ~1,200 thousand GT registered. Norwegian International.

• Flag State - Panama (PA)

  Panama (PA) shipping registry: ~8,600 thousand GT registered. Open registry - largest by GT.

• Flag State - Philippines (PH)

  Philippines (PH) shipping registry: ~470 thousand GT registered. Domestic.

• Flag State - Portugal (MAR) (PT)

  Portugal (MAR) (PT) shipping registry: ~580 thousand GT registered. Madeira Int'l.

• Flag State - Russia (RU)

  Russia (RU) shipping registry: ~550 thousand GT registered. RS class.

• Flag State - Saudi Arabia (SA)

  Saudi Arabia (SA) shipping registry: ~440 thousand GT registered. Saudi national.

• Flag State - Singapore (SG)

  Singapore (SG) shipping registry: ~2,900 thousand GT registered. Asian hub flag.

• Flag State - South Africa (ZA)

  South Africa (ZA) shipping registry: ~250 thousand GT registered. SA national.

• Flag State - Spain (ES)

  Spain (ES) shipping registry: ~210 thousand GT registered. EU national.

• Flag State - Sri Lanka (LK)

  Sri Lanka (LK) shipping registry: ~190 thousand GT registered. Sri Lankan.

• Flag State - Taiwan (TW)

  Taiwan (TW) shipping registry: ~600 thousand GT registered. Chinese Taipei.

• Flag State - Thailand (TH)

  Thailand (TH) shipping registry: ~160 thousand GT registered. Thai.

• Flag State - Turkey (TR)

  Turkey (TR) shipping registry: ~610 thousand GT registered. Turkish flag.

• Flag State - UAE (AE)

  UAE (AE) shipping registry: ~290 thousand GT registered. UAE national.

• Flag State - UK (GB)

  UK (GB) shipping registry: ~720 thousand GT registered. British national.

• Flag State - Ukraine (UA)

  Ukraine (UA) shipping registry: ~110 thousand GT registered. Ukrainian.

• Flag State - USA (US)

  USA (US) shipping registry: ~370 thousand GT registered. US national.

• Flag State - Vanuatu (VU)

  Vanuatu (VU) shipping registry: ~380 thousand GT registered. Open register.

• Flag State - Vietnam (VN)

  Vietnam (VN) shipping registry: ~100 thousand GT registered. Vietnamese.

• Flame Arrester - Gap Size

  Flame arrester quench-gap size vs maximum experimental safe gap (MESG) - prevents flash-back from ignited vapours.

• Flash Point Compliance Check (MARPOL)

  Verify bunker flash point against the MARPOL Annex I Regulation 18 minimum (60 °C closed-cup) for fuel-oil safety.

• Flettner Rotor - Drive Power

  Electric motor input power to spin a Flettner rotor at the design RPM - 1–3 % of generated thrust energy.

• Flettner Rotor - Thrust Estimate

  Lift-based thrust of a Flettner rotor given rotor size, rotation rate, and relative wind - the Magnus-effect calc used for sizing Rotorsail.

• Flettner Rotor Wind Assist

  Rotating-cylinder wind-assist thrust estimation. Real systems publish route-integrated fuel savings rather than spot-power numbers; use this for back-of-envelope sizing.

• Floodable Length Screen

  Rough floodable-length estimate from freeboard and permeability for one-compartment-standard screening.

• Flooding Time - Simple Orifice Estimate

  Flooding time through a simple orifice - √(2gh) exit velocity + compartment volume.

• Flotel / Accommodation Unit Fuel & CO₂

  Accommodation and support units hosting offshore crews during platform campaigns. CII-exempt; daily fuel-per-POB (person on board) benchmark.

• Flow — L/min to US gpm

  Convert l/min to USgpm. Precise factor for marine pumps engineering; sourced from NIST / ISO / MEPC reference tables.

• Flow — m³/h to barrels per day

  Convert m³/h to bbl/day. Precise factor for marine cargo engineering; sourced from NIST / ISO / MEPC reference tables.

• Flow — US gallons per minute to L/min

  Convert USgpm to l/min. Precise factor for marine pumps engineering; sourced from NIST / ISO / MEPC reference tables.

• FM-200 - Design Concentration

  FM-200 (HFC-227ea) design concentration for Class A surface fires - 7 %, discharge in 10 s.

• Foam Concentrate for Tanker Deck

  Foam concentrate quantity for a tanker deck fixed foam system per SOLAS II-2 Reg 10.8 / FSS Ch.14: 0.6 L/min/m² × 20 min.

• FONAR - Fuel Oil Non-Availability

  FONAR (Fuel Oil Non-Availability Report) filing procedure when compliant fuel unavailable per MARPOL Annex VI Reg. 18.2.

• Form Factor (Prohaska)

  Three-dimensional extrapolation form factor (1+k) derived from low-Fn resistance data - the ITTC-78 correction that separates frictional from residual resistance.

• Formaldehyde / HC - Dual-fuel engines
• Forward Freight Agreement Settlement

  FFA cash-settled P/L: (Settlement index − Strike) × days × lot size.

• FPSO Fuel & CO₂

  Floating Production Storage and Offloading units. CII-exempt; per-barrel-produced intensity is the industry benchmark (IOGP Scope-1 upstream indicator).

• Free Surface Correction

  Single slack-tank FSC for a rectangular tank.

• Freeport (Bahamas) (BS) - Port Card

  Freeport (Bahamas), BS - annual throughput ~80,000 TEU, max draft 14 m. Caribbean.

• Fremantle (AU) - Port Card

  Fremantle, AU - annual throughput ~70,000 TEU, max draft 14 m. West Aus.

• Fresh Water - Daily Demand Estimate

  Daily fresh-water demand by crew + technical uses - basis for sizing the fresh-water generator duty and the holding-tank capacity.

• Fresh Water Allowance

  Loadline draft shift for sea water ↔ fresh water per ICLL 1966.

• Fresh Water Generator - Capacity

  Fresh-water-generator distillate output from jacket-water heat available and specific distillate energy.

• Fresh Water Generator Capacity

  Evaporator capacity Q = (Q_jacket × η)/h_fg - vacuum-flash generator using main-engine jacket heat.

• Fresh-Water & Dock-Water Allowance

  Fresh-Water Allowance (FWA) and Dock-Water Allowance (DWA) per Load Line Convention - the standard loaded-draft correction when crossing densities.

• Friction Mean Effective Pressure (FMEP)

  FMEP = IMEP − BMEP - the 'lost' pressure to friction. Rising FMEP = bearing/ring wear.

• Froude Number

  Dimensionless speed ratio that drives wave-making resistance behaviour.

• Froude Number - Hull Speed Regime

  Froude number Fn = V/√(g·L) - the dimensionless speed index that determines whether a hull is in displacement, semi-displacement or planing regime.

• Froude Speed Scaling - Model to Ship

  Corresponding ship speed for a given model speed at Froude similarity - V_s = V_m · √(L_s/L_m).

• FSICR - Ice Class Ice Thickness Limits

  Design ice thickness per Finnish-Swedish Ice Class Rules (IA Super, IA, IB, IC) - the values used for ice-load calculation.

• FSICR - Minimum Propulsion Power

  Minimum propulsion power (MCR) for a given ice class and ship size per FSICR formulation, based on displacement and waterline beam.

• Fuel Cell Power

  Fuel consumption and emissions from a PEM or SOFC marine fuel cell running hydrogen, ammonia or methanol.

• Fuel Cf conversion factors (MEPC.364(79))

  The $C_f$ factor is the mass of CO₂ emitted per mass of fuel burned, tank-to-wake. It is used in EEDI, EEXI, CII, and EU ETS carbon accounting. Values come from MEPC.364(79) Table 1.

• Fuel flow — per day to per hour

  Convert t/day to kg/h. Precise factor for marine fuel engineering; sourced from NIST / ISO / MEPC reference tables.

• Fuel flow — per hour to per day

  Convert kg/h to t/day. Precise factor for marine fuel engineering; sourced from NIST / ISO / MEPC reference tables.

• Fuel Pump - Delivery Stroke

  Effective fuel-pump delivery stroke for a 2-stroke slow-speed engine given cylinder SFC, rpm and delivery stroke at MCR.

• Fuel Total Cost of Ownership

  All-in per-GJ cost of delivered fuel energy, including bunker and EU ETS overlay.

• fuel wtw ammonia

  See the live calculator for pathway-specific WtW intensities. Factors pulled from shared/fuel-factors.json (FuelEU Maritime Annex II + industry defaults).

• fuel wtw efuel

  See the live calculator for pathway-specific WtW intensities. Factors pulled from shared/fuel-factors.json (FuelEU Maritime Annex II + industry defaults).

• fuel wtw fame

  See the live calculator for pathway-specific WtW intensities. Factors pulled from shared/fuel-factors.json (FuelEU Maritime Annex II + industry defaults).

• fuel wtw hfo

  Fuel factors from shared/fuel-factors.json (IMO MEPC.364(79) Cf + FuelEU Maritime Annex II WtW intensities).

• fuel wtw hvo

  See the live calculator for pathway-specific WtW intensities. Factors pulled from shared/fuel-factors.json (FuelEU Maritime Annex II + industry defaults).

• fuel wtw hydrogen

  See the live calculator for pathway-specific WtW intensities. Factors pulled from shared/fuel-factors.json (FuelEU Maritime Annex II + industry defaults).

• fuel wtw lng

  Fuel factors from shared/fuel-factors.json (IMO MEPC.364(79) Cf + FuelEU Maritime Annex II WtW intensities).

• fuel wtw lpg

  Fuel factors from shared/fuel-factors.json (IMO MEPC.364(79) Cf + FuelEU Maritime Annex II WtW intensities).

• fuel wtw methanol

  See the live calculator for pathway-specific WtW intensities. Factors pulled from shared/fuel-factors.json (FuelEU Maritime Annex II + industry defaults).

• fuel wtw mgo

  Fuel factors from shared/fuel-factors.json (IMO MEPC.364(79) Cf + FuelEU Maritime Annex II WtW intensities).

• fuel wtw nuclear

  See the live calculator for pathway-specific WtW intensities. Factors pulled from shared/fuel-factors.json (FuelEU Maritime Annex II + industry defaults).

• fuel wtw uio lng

  See the live calculator for pathway-specific WtW intensities. Factors pulled from shared/fuel-factors.json (FuelEU Maritime Annex II + industry defaults).

• fuel wtw ulend

  Fuel factors from shared/fuel-factors.json (IMO MEPC.364(79) Cf + FuelEU Maritime Annex II WtW intensities).

• fuel wtw vlsfo

  Fuel factors from shared/fuel-factors.json (IMO MEPC.364(79) Cf + FuelEU Maritime Annex II WtW intensities).

• FuelEU - Pooling Surplus Transfer

  FuelEU Maritime pooling - surplus from one vessel transferred to another in the same company to meet regulation.

• FuelEU - RFNBO Double Count

  FuelEU Maritime rewards RFNBO (Renewable Fuels of Non-Biological Origin) with 2× multiplier until 2033 - accelerates e-fuel uptake.

• FuelEU Compliance Balance

  Annual surplus (positive) or deficit (negative) of attained vs target GHG intensity.

• FuelEU GHG Intensity (Regulation (EU) 2023/1805)

  Annual well-to-wake GHG intensity of the energy a ship consumes vs the declining FuelEU target.

• FuelEU Maritime - GHG Penalty Cost

  FuelEU Maritime GHG penalty cost for exceeding the annual GHG-intensity limit - €2400 per tonne VLSFO-equivalent of excess intensity.

• FuelEU OPS Requirement

  From 2030, container and passenger ships must use Onshore Power Supply (or a zero-emission equivalent) while berthed for ≥ 2 hours at TEN-T core EU ports.

• FuelEU Penalty

  Monetary penalty on a negative FuelEU compliance balance.

• FuelEU Pooling

  Aggregate compliance balances across multiple ships into a single pool-level balance.

• FuelEU RFNBO 2× Multiplier

  Temporary incentive: energy from qualifying RFNBOs counts double in the FuelEU numerator during 2025–2033.

• Galley Exhaust - Capture Velocity

  Galley-hood capture velocity and exhaust rate per ASHRAE Commercial Kitchen handbook - prevents grease entering the duct.

• Gas Carrier - Tank Pressure Arm Relief

  Pressure-relief discharge flow for a gas-carrier tank during fire exposure per IGC Code Ch. 8.

• General Average - York-Antwerp Contribution

  Cargo contribution to general average under York-Antwerp Rules - proportional to saved value of cargo vs ship.

• General Cargo Ship CII

  MEPC.337 general-cargo reference line, steepest $c$ exponent in the regime.

• Generator - P vs Q Loading

  Generator active/reactive power split - maintains PF ≥ 0.8 lagging for export; voltage regulation adjusts Q.

• Generator Load Sharing - Droop

  Real-power split between two generators in droop mode when the grid frequency shifts.

• Generator Paralleling - Frequency Δ Check

  Check frequency and voltage difference vs the running bus before closing breaker - the classic paralleling window per IEC 60092-301 / IEEE 45.

• Genoa (IT) - Port Card

  Genoa, IT - annual throughput ~110,000 TEU, max draft 15 m. North West Italy.

• Genset - Synchronisation Window

  Genset paralleling synchronisation window - frequency, voltage, phase sequence, and phase angle within specified tolerances.

• GFI Attained - WtW Intensity from Fuel Mix

  The Attained GHG Fuel Intensity is the well-to-wake GHG intensity of the fuel mix consumed by a ship in the reporting calendar year, expressed in g CO₂-equivalent per megajoule of fuel energy on a lower-heating-value basis. It is the input

• GFI Compliance - IMO Net-Zero Framework

  The IMO Net-Zero Framework, approved at MEPC 83 in April 2025, requires every ship of 5,000 GT and above engaged on international voyages to achieve an Attained GHG Fuel Intensity (GFI) at or below an annually-tightening Required GFI from 1

• Gibraltar (GI) - Port Card

  Gibraltar, GI - annual throughput ~80,000 TEU, max draft 11 m. Bunker hub.

• Gigajoules to MWh

  Convert GJ to MWh using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Gigawatt-hours to terajoules

  Convert GWh to TJ. Precise factor for marine energy engineering; sourced from NIST / ISO / MEPC reference tables.

• GM Change from Weight Shift

  Change in GM when a weight is shifted vertically on board - GG' = w·d/Δ then ΔGM = −GG'.

• GM from Inclining Experiment

  Compute metacentric height from a controlled weight shift and pendulum deflection - the lightship inclining test at delivery and every 5 years.

• GM from Rolling Period

  Estimate effective GM from an observed natural rolling period using the Weiss/IMO formula - no inclining test required.

• GMDSS - Sea Area Coverage Check

  GMDSS sea-area (A1 / A2 / A3 / A4) determination from voyage distance from coast - drives radio-equipment carriage.

• Governor Droop - Speed vs Load

  Engine speed drop with load under a given governor droop setting - baseline for generator paralleling and load-sharing.

• Grain - Cargo Displacement Volume

  Grain loading capacity from stowage factor (SF) and hold volume - the basis for grain loading plans.

• Grain Heeling - Volumetric Heeling Moment

  Volumetric grain-heeling moment for a partly-filled bulk-carrier hold per International Grain Code §3 - the 25° heel criterion and residual-area check.

• Gray to Rad

  Convert Gy to Rad. Precise factor for marine radiation engineering; sourced from NIST / ISO / MEPC reference tables.

• Great Circle vs Rhumb - Distance Comparison

  Compare great-circle and rhumb-line distance between two points - the standard ocean-passage routing decision.

• Great-Circle Distance (Haversine)

  Shortest-path distance and initial bearing between two lat/lon positions on the spherical earth.

• Great-Circle Vertex

  Highest-latitude point (vertex) of a great-circle track - where the track runs true east-west. Napier's Rules of circular parts.

• Green Award

  Five-section points certification from the Green Award Foundation.

• Green Methanol - LCA CO₂ Footprint

  Well-to-wake CO₂eq for bio-methanol or e-methanol (PtL) - the FuelEU-compliant footprint that drives penalty and RFNBO credits.

• Green Water - Exceedance Frequency

  Expected number of green-water events per hour based on freeboard and relative bow motion σ - sensitivity for hatch / bulwark design.

• Guangzhou (CN) - Port Card

  Guangzhou, CN - annual throughput ~210,000 TEU, max draft 16 m. Pearl Delta.

• Gyro - Latitude Correction

  Gyrocompass latitude error correction.

• GZ from KN Cross-Curve

  Righting lever GZ at a given heel from the KN cross-curve value and current KG.

• Hague-Visby - Package Limitation

  Hague-Visby package / kilogram limitation on carrier liability - lesser of 666.67 SDR / package or 2 SDR / kg.

• Haiphong (VN) - Port Card

  Haiphong, VN - annual throughput ~80,000 TEU, max draft 13 m. North Vietnam.

• Halifax (CA) - Port Card

  Halifax, CA - annual throughput ~90,000 TEU, max draft 18 m. Canadian East.

• Hamburg (DE) - Port Card

  Hamburg, DE - annual throughput ~180,000 TEU, max draft 15 m. German hub.

• Hamrock-Dowson Film Thickness

  Minimum EHL film thickness in elliptical point contact (rolling-element bearings): h_min / R = 3.63 · U^0.68 · G^0.49 · W^(-0.073) · (1 − e^(-0.68k)).

• Harbour / Escort Tug Fuel & CO₂

  Harbour tugs and escort tugs - short, high-power bursts at berthing, long idle periods on station. Outside CII scope; per-job or per-operating-hour intensity.

• Harmonic Distortion - THD vs Rule Limit

  Total Harmonic Distortion assessment vs class rule / IEC 61000 limits - typical 5 % voltage / 8 % current on marine distribution.

• Harmonic Filter - Capacitance Sizing

  Passive harmonic filter capacitance sized for resonance at a specific harmonic order.

• Hatch Cover Deflection Limit (UR S21)

  Maximum permissible mid-span deflection of a weather-deck hatch cover: L/200 per IACS UR S21.

• Hatch Cover Design Pressure (IACS UR S21A)

  Design pressure head on weather-deck hatch covers by position along the hull.

• Hatch Cover Sealing Test Timing

  Frequency and type of hatch-cover weathertightness tests per IACS UR Z7 and ship's Planned Maintenance System.

• Hazardous Area - IEC 60079 Zone Check

  Classify equipment against the required Ex rating given the installation zone per IEC 60079-10-1 - tanker deck, pump-room, enclosed spaces around vents.

• Heat-transfer coefficient — Imperial to SI

  Convert Btu/ft²·h·°F to W/m²·K. Precise factor for marine thermo engineering; sourced from NIST / ISO / MEPC reference tables.

• Heat-transfer coefficient — SI to Imperial

  Convert W/m²·K to Btu/ft²·h·°F. Precise factor for marine thermo engineering; sourced from NIST / ISO / MEPC reference tables.

• Heat-transfer kcal SI equivalent

  Convert kcal/m²·h·°C to W/m²·K. Precise factor for marine thermo engineering; sourced from NIST / ISO / MEPC reference tables.

• Heating Coil - Steam Consumption

  Steam-consumption rate for cargo-heating coils - duty / (h_sat - h_condensate).

• Heave Compensator - Stroke Length

  Active heave compensator stroke length from significant heave amplitude + safety margin.

• Heave RAO - Linear Approximation

  Linear heave response amplitude operator (RAO) at a given wave frequency using Froude-Krylov + damping - preliminary motion estimate for design sea state.

• Heavy-Lift / Project Cargo Ship CII

  HLVs fall under the MEPC.337 general-cargo reference. Operational profile includes DP positioning, ballasting, and crane power so the aux fuel share is unusually high.

• HFC-227ea Quantity (FM-200)

  FM-200 / HFC-227ea agent quantity for total flooding from FSS Code Ch.5: 6.25–9 % v/v concentration.

• HFO (RMG 380) - Core Properties

  HFO (RMG 380) reference fuel card - NCV, density, CO₂ factor for energy-budget and emission calculations.

• HFO (RMK 500) - Core Properties

  HFO (RMK 500) reference fuel card - NCV, density, CO₂ factor for energy-budget and emission calculations.

• HFO Purifier - Throughput

  HFO separator throughput from engine consumption + purifier efficiency - undersized purifier → poor fuel oil quality.

• HHI-HiMSEN Hyundai HiMSEN H21/32 - MCR per Cylinder

  HHI-HiMSEN Hyundai HiMSEN H21/32 engine card: 1270 kW per cylinder at 720 rpm, SFOC 180 g/kWh.

• HHI-HiMSEN Hyundai HiMSEN H25/33 - MCR per Cylinder

  HHI-HiMSEN Hyundai HiMSEN H25/33 engine card: 1620 kW per cylinder at 720 rpm, SFOC 180 g/kWh.

• HHV from LHV and Hydrogen Content

  Higher calorific value (HHV) from lower calorific value + latent heat of water-vapour formed during combustion.

• HNS Convention 2010 - Hazardous Cargo Liability

  HNS Convention 2010 Protocol - owner strict liability + Fund for damage from Hazardous & Noxious Substances.

• Ho Chi Minh (Cat Lai) (VN) - Port Card

  Ho Chi Minh (Cat Lai), VN - annual throughput ~90,000 TEU, max draft 12 m. South Vietnam.

• Hollenbach Resistance

  Hollenbach (1998) updated the Holtrop & Mennen regression with modern hull data, separating single- and twin-screw cases and giving better results for high-Cb container ships and ro-pax.

• Holtrop - Appendage Resistance

  Appendage resistance R_APP from Holtrop-Mennen method - typically 3–8 % of bare-hull resistance for merchant ships with bilge keels, rudder, shaft brackets.

• Holtrop - Form Factor 1+k1

  Form factor 1+k1 for frictional-resistance correction per Holtrop-Mennen regression - the first step in predicting still-water resistance from hull geometry.

• Holtrop - Transom Resistance

  Transom-stern resistance component R_TR per Holtrop - accounts for wave-breaking at a wetted transom.

• Holtrop - Wave Resistance Estimate

  Approximate wave-making resistance R_W at low Froude (Fn < 0.4) using Holtrop's regression simplification - the dominant resistance contribution in the hump region.

• Holtrop & Mennen Resistance

  Empirical regression from Holtrop & Mennen (1982) with the 1984 re-analysis. Default early-design resistance method for most displacement hulls.

• Hong Kong (HK) - Port Card

  Hong Kong, HK - annual throughput ~180,000 TEU, max draft 16 m. Transshipment.

• Hong Kong Convention - Recycling Plan

  Hong Kong Convention (HKC 2009) pre-recycling requirements - Ship Recycling Plan (SRP) + Inventory of Hazardous Materials (IHM).

• Houston (US) - Port Card

  Houston, US - annual throughput ~120,000 TEU, max draft 14 m. Gulf petroleum.

• HP-hour to kWh

  Convert hp·h to kWh. Precise factor for marine engine engineering; sourced from NIST / ISO / MEPC reference tables.

• Hull & Machinery - Insurance Premium Estimate

  Annual H&M insurance premium estimate from hull value, deductible and ship-type risk class - the basic Lloyd's quotation input.

• Hull Cleaning - ROI Estimate

  Return-on-investment of a mid-docking hull cleaning - saves fuel via reduced hull roughness and fouling drag.

• Hull Cleaning Payback

  Fuel, CO₂ and payback from an in-water hull clean and propeller polish.

• Hull Cleaning ROI

  Payback of an in-water hull cleaning - days to recover cost via the fuel saved on the resistance reduction.

• Hull Efficiency η_H

  η_H = (1 − t) / (1 − w). Usually 1.05–1.15 for single-screw full-form hulls - the wake gain outweighs thrust deduction.

• Hull Girder - Deck / Keel Stress

  Longitudinal stress at deck and keel from hull-girder bending moment and midship section modulus - the first post-processing step after SWBM calculation.

• Hull Girder - First Yield Moment

  First-yield bending moment of hull girder - minimum bending moment at which any fibre reaches yield, precursor to ultimate-strength M_u.

• Hull Performance - Speed Loss ISO 19030

  Hull-performance deterioration estimate per ISO 19030-2 - average speed loss trended against reference period.

• Hull Roughness ΔCf (Townsin)

  Increment of skin-friction coefficient from measured hull roughness (AHR) using the ITTC-78 Townsin formulation.

• Hull Wetted Surface - Taylor Estimate

  Estimated wetted surface area of a merchant ship hull using Taylor's empirical formula - the input for ITTC C_F × ½ρV²S calculation.

• HVAC - Accommodation Cooling Load

  Accommodation cooling-load estimate from transmission, solar, internal + ventilation gains - the chiller-sizing baseline.

• HVAC - Air Change Rate

  Air-change rate (ACH) required for various marine spaces - engine room, accommodation, galley, battery room.

• HVAC - Dew Point Approximation

  Dew point of moist air from ambient temperature and relative humidity using Magnus formula - the basis for condensation check.

• HVAC Cooling Load (Sum of Components)

  Total sensible + latent cooling load - sum of solar gain, transmission, infiltration, occupants, lighting, equipment, fresh-air make-up.

• HVO (renewable diesel) - Core Properties

  HVO (renewable diesel) reference fuel card - NCV, density, CO₂ factor for energy-budget and emission calculations.

• Hydraulic Accumulator - Gas Pre-charge Sizing

  Accumulator pre-charge pressure and required volume - critical for surge suppression in deck-machinery hydraulic systems.

• Hydraulic Cylinder - Force from Pressure

  Push / pull force of a hydraulic cylinder given working pressure, bore and rod diameter - the fundamental cylinder sizing equation.

• Hydraulic Cylinder Force

  F = P × A - cylinder extend/retract force from pressure and piston area.

• Hydraulic Cylinder Velocity

  v = Q / A - extend / retract velocity from pump flow and cylinder area.

• Hydraulic Pump - Required Shaft Power

  Shaft power for a hydraulic pump delivering a given flow at a specific pressure - P = Q·p/η.

• Hydraulic Pump Power

  Input kW required for a hydraulic pump delivering flow Q at pressure Δp.

• Hydrogen - Volumetric Energy Density

  Volumetric energy density of hydrogen at various storage conditions - compressed, liquid, and cryogenic - compared to conventional marine fuels.

• Hydrogen (liq) - Core Properties

  Hydrogen (liq) reference fuel card - NCV, density, CO₂ factor for energy-budget and emission calculations.

• IACS UR A2 - Emergency Towing SWL

  Safe working load (SWL) of emergency towing arrangement fittings per IACS UR A2 - bollard and chock sized to at least 1.25 × expected towline break load.

• IACS UR E26 Cyber Resilience Screen

  Checklist of the five pillars of IACS UR E26 (cyber resilience of ships): equipment identification, protection, attack detection, response, recovery.

• IACS UR E27 OT/IT Integration Screen

  Checklist for the E27 onboard-system requirements: secure-by-design, authentication, patching, monitoring, supplier assurance.

• IACS UR G3 - Polar Class Power

  IACS UR G3 minimum propulsion power for Polar Class (PC1 through PC7) vessels - replaces FSICR for Polar Code compliance.

• IACS UR L5 - Bulk Carrier Survey Interval

  Next Enhanced Survey Programme (ESP) annual close-up survey interval for bulk carriers per IACS UR L5 - window and scope dependent on ship age and cargo-hold condition.

• IACS UR M12 - Scavenge space fire protection

  IACS Unified Requirement M12 - Scavenge space fire protection. Covered by all member class societies.

• IACS UR M2 - Engine specification requirements

  IACS Unified Requirement M2 - Engine specification requirements. Covered by all member class societies.

• IACS UR M21 - Crankcase explosion relief valves

  IACS Unified Requirement M21 - Crankcase explosion relief valves. Covered by all member class societies.

• IACS UR M28 - Propeller pitch indicators

  IACS Unified Requirement M28 - Propeller pitch indicators. Covered by all member class societies.

• IACS UR M3 - Astern power

  IACS Unified Requirement M3 - Astern power. Covered by all member class societies.

• IACS UR M31 - Propulsion control signals

  IACS Unified Requirement M31 - Propulsion control signals. Covered by all member class societies.

• IACS UR M35 - Piping systems

  IACS Unified Requirement M35 - Piping systems. Covered by all member class societies.

• IACS UR M4 - Trial fuel oil requirement

  IACS Unified Requirement M4 - Trial fuel oil requirement. Covered by all member class societies.

• IACS UR M40 - Cylinder & cooling water tests

  IACS Unified Requirement M40 - Cylinder & cooling water tests. Covered by all member class societies.

• IACS UR M43 - Turbocharger Certification

  Turbocharger certification category (A, B or C) per IACS UR M43 based on engine power served - drives the scope of type-test and containment requirements.

• IACS UR M44 - Monitoring heated fuel oil

  IACS Unified Requirement M44 - Monitoring heated fuel oil. Covered by all member class societies.

• IACS UR M45 - Boiler safety valves

  IACS Unified Requirement M45 - Boiler safety valves. Covered by all member class societies.

• IACS UR M46 - Main engine control fuel valve

  IACS Unified Requirement M46 - Main engine control fuel valve. Covered by all member class societies.

• IACS UR M48 - Ambient reference conditions

  IACS Unified Requirement M48 - Ambient reference conditions. Covered by all member class societies.

• IACS UR M5 - Protection for engine lubrication

  IACS Unified Requirement M5 - Protection for engine lubrication. Covered by all member class societies.

• IACS UR M52 - Hydraulic governor oil

  IACS Unified Requirement M52 - Hydraulic governor oil. Covered by all member class societies.

• IACS UR M57 - Cylinder cooling water piping

  IACS Unified Requirement M57 - Cylinder cooling water piping. Covered by all member class societies.

• IACS UR M58 - Solid injection oil engine

  IACS Unified Requirement M58 - Solid injection oil engine. Covered by all member class societies.

• IACS UR M59 - Automatic control for engine

  IACS Unified Requirement M59 - Automatic control for engine. Covered by all member class societies.

• IACS UR M61 - Monitoring & alarms

  IACS Unified Requirement M61 - Monitoring & alarms. Covered by all member class societies.

• IACS UR M64 - Environmental design conditions

  IACS Unified Requirement M64 - Environmental design conditions. Covered by all member class societies.

• IACS UR M65 - Automatic filters

  IACS Unified Requirement M65 - Automatic filters. Covered by all member class societies.

• IACS UR M66 - Type testing of diesel engines

  IACS Unified Requirement M66 - Type testing of diesel engines. Covered by all member class societies.

• IACS UR M67 - Type tests - exhaust emissions

  IACS Unified Requirement M67 - Type tests - exhaust emissions. Covered by all member class societies.

• IACS UR M68 - Intermediate and thrust shaft dim.

  IACS Unified Requirement M68 - Intermediate and thrust shaft dim.. Covered by all member class societies.

• IACS UR M71 - Crankshaft Scantling Check

  Crankshaft pin and journal diameter screening per IACS UR M71 - simplified minimum shaft formula used for scantling approval.

• IACS UR M72 - Dual fuel engine safety

  IACS Unified Requirement M72 - Dual fuel engine safety. Covered by all member class societies.

• IACS UR P1 - Chemical composition

  IACS Unified Requirement P1 - Chemical composition. Covered by all member class societies.

• IACS UR P2 - Mechanical properties

  IACS Unified Requirement P2 - Mechanical properties. Covered by all member class societies.

• IACS UR S12 - Side structural requirements

  IACS Unified Requirement S12 - Side structural requirements. Covered by all member class societies.

• IACS UR S14 - Containership end-bulkhead

  IACS Unified Requirement S14 - Containership end-bulkhead. Covered by all member class societies.

• IACS UR S16 - Bulk Carrier Damaged BM Allowance

  Bulk-carrier damaged-hull bending-moment allowance per IACS UR S16 - critical for cargo-hold flooded design.

• IACS UR S17 - Hatch cover load & bending

  IACS Unified Requirement S17 - Hatch cover load & bending. Covered by all member class societies.

• IACS UR S18 - Stiffeners under dynamic loads

  IACS Unified Requirement S18 - Stiffeners under dynamic loads. Covered by all member class societies.

• IACS UR S19 - Damage scenarios BC

  IACS Unified Requirement S19 - Damage scenarios BC. Covered by all member class societies.

• IACS UR S2 - Definition of ship length L

  IACS Unified Requirement S2 - Definition of ship length L. Covered by all member class societies.

• IACS UR S20 - Evaluation of scantlings

  IACS Unified Requirement S20 - Evaluation of scantlings. Covered by all member class societies.

• IACS UR S22 - Hatch-cover end-panel

  IACS Unified Requirement S22 - Hatch-cover end-panel. Covered by all member class societies.

• IACS UR S25 - Harmonised structural notations

  IACS Unified Requirement S25 - Harmonised structural notations. Covered by all member class societies.

• IACS UR S26 - Hatch-Cover Design Pressure

  Design pressure on weather-deck hatch covers for seagoing bulk carriers per IACS UR S21/S26 - position 1 or 2 - and required scantling check.

• IACS UR S27 - Bow Door / Inner Door Check

  Bow / visor / side door design pressure per IACS UR S27 - critical for ro-ro passenger ships after Estonia (1994).

• IACS UR S28 - Bulkhead wash plates

  IACS Unified Requirement S28 - Bulkhead wash plates. Covered by all member class societies.

• IACS UR S3 - Longitudinal strength check

  IACS Unified Requirement S3 - Longitudinal strength check. Covered by all member class societies.

• IACS UR S31 - Renewal criteria hatch-covers

  IACS Unified Requirement S31 - Renewal criteria hatch-covers. Covered by all member class societies.

• IACS UR S34 - Loading Manual Check

  Screening check for UR S34 - the rule defining intact / damage loading conditions to be included in the ship's Loading Manual for bulk carriers.

• IACS UR S4 - Bulkheads

  IACS Unified Requirement S4 - Bulkheads. Covered by all member class societies.

• IACS UR S7 - Hull girder deflections

  IACS Unified Requirement S7 - Hull girder deflections. Covered by all member class societies.

• IACS UR S8 - Bow door requirements

  IACS Unified Requirement S8 - Bow door requirements. Covered by all member class societies.

• IACS UR W14 - Welding brittle steels

  IACS Unified Requirement W14 - Welding brittle steels. Covered by all member class societies.

• IACS UR W2 - Hull welding consumables

  IACS Unified Requirement W2 - Hull welding consumables. Covered by all member class societies.

• IACS UR W21 - Electrodes for steel

  IACS Unified Requirement W21 - Electrodes for steel. Covered by all member class societies.

• IACS UR W26 - Welding procedure qualification

  IACS Unified Requirement W26 - Welding procedure qualification. Covered by all member class societies.

• IACS UR W27 - Welding Consumables Grade

  Minimum welding-consumable grade (1Y, 2Y, 3Y, 4Y, 5Y) required to match a parent-steel grade per IACS UR W27 - the rule used by every class for procurement and WPS qualification.

• IACS UR W28 - Welding requirements tubulars

  IACS Unified Requirement W28 - Welding requirements tubulars. Covered by all member class societies.

• IACS UR W3 - Welding consumable HT steel

  IACS Unified Requirement W3 - Welding consumable HT steel. Covered by all member class societies.

• IACS UR W4 - Post-weld heat treatment

  IACS Unified Requirement W4 - Post-weld heat treatment. Covered by all member class societies.

• IACS UR Z11 - Cargo-ship safety con certificate

  IACS Unified Requirement Z11 - Cargo-ship safety con certificate. Covered by all member class societies.

• IACS UR Z13 - Hull Condition Monitoring

  UR Z13 thickness measurement intervals and allowable diminutions for steel scantling survey - the schedule that governs ship-age surveys.

• IACS UR Z17 - Class society procedure

  IACS Unified Requirement Z17 - Class society procedure. Covered by all member class societies.

• IACS UR Z18 - Damage surveys

  IACS Unified Requirement Z18 - Damage surveys. Covered by all member class societies.

• IACS UR Z23 - Hull surveys of bulk carriers

  IACS Unified Requirement Z23 - Hull surveys of bulk carriers. Covered by all member class societies.

• IACS UR Z25 - Hatch cover surveys

  IACS Unified Requirement Z25 - Hatch cover surveys. Covered by all member class societies.

• IACS UR Z7 - Hull & machinery surveys classification

  IACS Unified Requirement Z7 - Hull & machinery surveys classification. Covered by all member class societies.

• IACS UR Z8 - Boiler surveys

  IACS Unified Requirement Z8 - Boiler surveys. Covered by all member class societies.

• IACS UR Z9 - Surveys elec installations

  IACS Unified Requirement Z9 - Surveys elec installations. Covered by all member class societies.

• IBC - 1,2-Dichloroethane

  1,2-Dichloroethane IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - 1,3-Butadiene

  1,3-Butadiene IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Abietic Acid

  Abietic Acid IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Acetic Acid

  Acetic Acid IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Acetic Anhydride

  Acetic Anhydride IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Acetone

  Acetone IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Acetonitrile

  Acetonitrile IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Acrolein (stabilised)

  Acrolein (stabilised) IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Acrylonitrile

  Acrylonitrile IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Adiponitrile

  Adiponitrile IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Alkyl Benzene Sulphonic Acid

  Alkyl Benzene Sulphonic Acid IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Alkylates (C10-C18)

  Alkylates (C10-C18) IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Allyl Alcohol

  Allyl Alcohol IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Aluminium Alkyl Compounds

  Aluminium Alkyl Compounds IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Amyl Acetate (n-amyl and isoamyl)

  Amyl Acetate (n-amyl and isoamyl) IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Aniline

  Aniline IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Barium Hydroxide Solution

  Barium Hydroxide Solution IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Benzene

  Benzene IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Benzyl Alcohol

  Benzyl Alcohol IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Benzyl Chloride

  Benzyl Chloride IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Bisphenol-A

  Bisphenol-A IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Butyl Acrylate

  Butyl Acrylate IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Butyl Benzoate

  Butyl Benzoate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Butyl Benzyl Phthalate

  Butyl Benzyl Phthalate IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Butylene Glycol

  Butylene Glycol IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Butyric Acid

  Butyric Acid IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Butyryl Chloride

  Butyryl Chloride IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Calcium Chloride Solution

  Calcium Chloride Solution IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Calcium Hydroxide Slurry

  Calcium Hydroxide Slurry IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Calcium Hypochlorite Solution

  Calcium Hypochlorite Solution IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Caprolactam (Molten)

  Caprolactam (Molten) IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Carbon Tetrachloride

  Carbon Tetrachloride IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Chloroacetic Acid

  Chloroacetic Acid IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Chloroform

  Chloroform IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Choline Chloride Solution

  Choline Chloride Solution IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Chromium Chloride (Basic)

  Chromium Chloride (Basic) IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Cobalt Acetate Solution

  Cobalt Acetate Solution IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Coconut Oil

  Coconut Oil IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Coke Oven Naphtha

  Coke Oven Naphtha IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Copra Oil

  Copra Oil IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Creosote (Coal Tar)

  Creosote (Coal Tar) IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Cumene Hydroperoxide

  Cumene Hydroperoxide IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Cyclohexane

  Cyclohexane IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Cyclohexanol

  Cyclohexanol IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Cyclohexanone

  Cyclohexanone IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Cyclohexene

  Cyclohexene IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Cyclohexyl Chloride

  Cyclohexyl Chloride IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Decanoic Acid

  Decanoic Acid IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Decyl Alcohol

  Decyl Alcohol IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Dichloroacetic Acid

  Dichloroacetic Acid IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Dichlorobenzene (o- and p-)

  Dichlorobenzene (o- and p-) IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Diesel Fuel

  Diesel Fuel IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Diethanolamine

  Diethanolamine IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Diethyl Oxalate

  Diethyl Oxalate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Diethyl Phthalate

  Diethyl Phthalate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Diethylamine

  Diethylamine IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Diethylbenzene

  Diethylbenzene IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Diethylene Glycol

  Diethylene Glycol IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Dihexyl Phthalate

  Dihexyl Phthalate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Diisocyanate Toluene (TDI)

  Diisocyanate Toluene (TDI) IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Diisononyl Adipate

  Diisononyl Adipate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Diisononyl Phthalate

  Diisononyl Phthalate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Dimethyl Adipate

  Dimethyl Adipate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Dimethyl Glutarate

  Dimethyl Glutarate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Dimethyl Succinate

  Dimethyl Succinate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Dimethyl Sulphoxide (DMSO)

  Dimethyl Sulphoxide (DMSO) IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Dimethylamine Solutions

  Dimethylamine Solutions IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Dinonyl Phthalate

  Dinonyl Phthalate IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Dioctyl Adipate

  Dioctyl Adipate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Dioctyl Phthalate (DOP)

  Dioctyl Phthalate (DOP) IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Dioxin Mixtures

  Dioxin Mixtures IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Diphenyl Oxide

  Diphenyl Oxide IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Dodecane

  Dodecane IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Dodecene

  Dodecene IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Dodecyl Benzene (Linear)

  Dodecyl Benzene (Linear) IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Epichlorohydrin

  Epichlorohydrin IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Ethanolamine

  Ethanolamine IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Ethyl Acetate

  Ethyl Acetate IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Ethyl Acrylate

  Ethyl Acrylate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Ethyl Alcohol

  Ethyl Alcohol IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Ethyl Amyl Ketone

  Ethyl Amyl Ketone IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Ethyl Benzene

  Ethyl Benzene IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Ethyl Benzoate

  Ethyl Benzoate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Ethyl Butyl Ether

  Ethyl Butyl Ether IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Ethyl Chloroacetate

  Ethyl Chloroacetate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Ethyl Hexyl Acrylate

  Ethyl Hexyl Acrylate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Ethyl Hexyl Tallate

  Ethyl Hexyl Tallate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Ethyl Linoleate

  Ethyl Linoleate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Ethyl Oleate

  Ethyl Oleate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Ethyl Palmitate

  Ethyl Palmitate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Ethyl Stearate

  Ethyl Stearate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Ethylene Dichloride (EDC)

  Ethylene Dichloride (EDC) IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Ethylene Glycol (MEG)

  Ethylene Glycol (MEG) IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Ethylene Oxide

  Ethylene Oxide IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Fatty Acid Methyl Esters (FAME)

  Fatty Acid Methyl Esters (FAME) IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Fish Oil

  Fish Oil IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Formaldehyde Solutions

  Formaldehyde Solutions IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Formic Acid

  Formic Acid IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Fuel Oil (No 6)

  Fuel Oil (No 6) IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Fumaric Acid

  Fumaric Acid IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Furfural

  Furfural IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Gasoline Blending Stocks

  Gasoline Blending Stocks IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Glucose Solutions

  Glucose Solutions IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Glycerol

  Glycerol IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Hexamethylenediamine

  Hexamethylenediamine IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Hexamethylenediamine Adipate Solution

  Hexamethylenediamine Adipate Solution IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Hexene-1

  Hexene-1 IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Hydrochloric Acid

  Hydrochloric Acid IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Hydrofluorosilicic Acid

  Hydrofluorosilicic Acid IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Hydrogen Peroxide Solutions

  Hydrogen Peroxide Solutions IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Hydrogenated Tallow

  Hydrogenated Tallow IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Isobutyl Acrylate

  Isobutyl Acrylate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Isobutyl Alcohol

  Isobutyl Alcohol IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Isobutyl Methacrylate

  Isobutyl Methacrylate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Isodecanol

  Isodecanol IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Isohexene

  Isohexene IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Isononyl Acetate

  Isononyl Acetate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Isooctane

  Isooctane IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Isoprene (stabilised)

  Isoprene (stabilised) IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Isopropyl Acetate

  Isopropyl Acetate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Isopropyl Alcohol

  Isopropyl Alcohol IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Isopropyl Ether

  Isopropyl Ether IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Kerosene

  Kerosene IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Lactic Acid

  Lactic Acid IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Lard Oil

  Lard Oil IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Latex (NR)

  Latex (NR) IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Lauric Acid

  Lauric Acid IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Lauryl Alcohol

  Lauryl Alcohol IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Lecithin

  Lecithin IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Linseed Oil

  Linseed Oil IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Maleic Anhydride (Molten)

  Maleic Anhydride (Molten) IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Methacrylic Acid

  Methacrylic Acid IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Methanol

  Methanol IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Methyl Acetate

  Methyl Acetate IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Methyl Acrylate

  Methyl Acrylate IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Methyl Chlorosilane

  Methyl Chlorosilane IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Methyl Diethanolamine

  Methyl Diethanolamine IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Methyl Ethyl Ketone (MEK)

  Methyl Ethyl Ketone (MEK) IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Methyl Methacrylate

  Methyl Methacrylate IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Methyl Salicylate

  Methyl Salicylate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Methyl Stearate

  Methyl Stearate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Methyl tert-Butyl Ether (MTBE)

  Methyl tert-Butyl Ether (MTBE) IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Methyltetrahydrofuran

  Methyltetrahydrofuran IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Molasses

  Molasses IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Monoethanolamine (MEA)

  Monoethanolamine (MEA) IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - n-Butyl Alcohol

  n-Butyl Alcohol IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - n-Hexane

  n-Hexane IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Naphthalene (Molten)

  Naphthalene (Molten) IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Naphthenic Acids

  Naphthenic Acids IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Nitric Acid (70 % or less)

  Nitric Acid (70 % or less) IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Nitric Acid (above 70 %)

  Nitric Acid (above 70 %) IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Nitrobenzene

  Nitrobenzene IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Nitrotoluene

  Nitrotoluene IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Nonyl Alcohol

  Nonyl Alcohol IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Nonyl Phenol

  Nonyl Phenol IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Nonylphenol

  Nonylphenol IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Octane

  Octane IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Octanoic Acid

  Octanoic Acid IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Octene

  Octene IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Oleic Acid

  Oleic Acid IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Oleum (Fuming Sulphuric Acid)

  Oleum (Fuming Sulphuric Acid) IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Oleum (fuming sulphuric)

  Oleum (fuming sulphuric) IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Olive Oil

  Olive Oil IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Palm Oil

  Palm Oil IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Paraffin Oil

  Paraffin Oil IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Paraffin Waxes (Molten)

  Paraffin Waxes (Molten) IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Pentadecyl Alcohol

  Pentadecyl Alcohol IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Perchloroethylene

  Perchloroethylene IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Phenol

  Phenol IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Phenyl Ether

  Phenyl Ether IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Phosphoric Acid

  Phosphoric Acid IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Phosphorus Oxychloride

  Phosphorus Oxychloride IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Phthalic Acid

  Phthalic Acid IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Phthalic Anhydride (Molten)

  Phthalic Anhydride (Molten) IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Polyether Polyol

  Polyether Polyol IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Polymeric MDI

  Polymeric MDI IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Polypropylene Glycol

  Polypropylene Glycol IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Propionic Anhydride

  Propionic Anhydride IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Propyl Acetate (n- and iso-)

  Propyl Acetate (n- and iso-) IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Propylene Carbonate

  Propylene Carbonate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Propylene Glycol

  Propylene Glycol IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Propylene Glycol Methyl Ether

  Propylene Glycol Methyl Ether IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Propylene Oxide

  Propylene Oxide IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Pyrene

  Pyrene IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Pyrethrum Extract

  Pyrethrum Extract IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Rapeseed Oil

  Rapeseed Oil IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Sebacic Acid Solution

  Sebacic Acid Solution IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Sesame Oil

  Sesame Oil IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Sodium Hydrosulphite Solution

  Sodium Hydrosulphite Solution IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Sodium Hypochlorite Solution

  Sodium Hypochlorite Solution IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Sodium Methylate Solution

  Sodium Methylate Solution IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Sodium Silicate Solution

  Sodium Silicate Solution IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Sorbitol Solution

  Sorbitol Solution IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Soybean Oil

  Soybean Oil IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Stearic Acid

  Stearic Acid IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Styrene Monomer

  Styrene Monomer IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Styrene Oxide

  Styrene Oxide IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Sulphonic Acid (linear alkylbenzene)

  Sulphonic Acid (linear alkylbenzene) IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Sulphur (Molten)

  Sulphur (Molten) IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Sulphuric Acid

  Sulphuric Acid IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Tall Oil Fatty Acid

  Tall Oil Fatty Acid IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Tallow Oil

  Tallow Oil IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Tar Oils

  Tar Oils IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - tert-Butyl Alcohol

  tert-Butyl Alcohol IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Tetrachloroethane

  Tetrachloroethane IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Tetrachloroethylene

  Tetrachloroethylene IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Tetrahydrofuran

  Tetrahydrofuran IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Tetrahydrofurfuryl Alcohol

  Tetrahydrofurfuryl Alcohol IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Tetramethyl Ammonium Hydroxide Solution

  Tetramethyl Ammonium Hydroxide Solution IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Thiolactic Acid

  Thiolactic Acid IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Titanium Tetrachloride

  Titanium Tetrachloride IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Toluene

  Toluene IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Toluene Diisocyanate (TDI)

  Toluene Diisocyanate (TDI) IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Tributyl Phosphate

  Tributyl Phosphate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Trichloroisocyanuric Acid

  Trichloroisocyanuric Acid IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Triethanolamine

  Triethanolamine IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Triethylene Glycol

  Triethylene Glycol IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Triethylene Tetramine

  Triethylene Tetramine IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Triisobutylene

  Triisobutylene IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Trimethyl Phosphate

  Trimethyl Phosphate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Trimethylbenzene

  Trimethylbenzene IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Trimethylhexamethylene Diamine

  Trimethylhexamethylene Diamine IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Tripropylene

  Tripropylene IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Urea Ammonium Nitrate Solution

  Urea Ammonium Nitrate Solution IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Urea Resin Solution

  Urea Resin Solution IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Vinyl Acetate Monomer

  Vinyl Acetate Monomer IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Vinyl Chloride Monomer (VCM)

  Vinyl Chloride Monomer (VCM) IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Vinyl Neodecanoate

  Vinyl Neodecanoate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Vinyl Pyrrolidone

  Vinyl Pyrrolidone IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Vinyltoluene

  Vinyltoluene IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Wax Paraffin

  Wax Paraffin IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Xylenes (Mixed)

  Xylenes (Mixed) IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Xylenol

  Xylenol IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Zinc Dust Slurry

  Zinc Dust Slurry IBC Code Ch.17 chemical tanker cargo - NLS category, ship type, tank type, venting / segregation basics.

• IBC - Zinc Naphthenate

  Zinc Naphthenate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC - Zinc Octoate

  Zinc Octoate IBC Code Ch.17 chemical tanker cargo reference card - NLS category, ship type, tank type, venting and segregation baseline.

• IBC Code Ship Type for Chemicals

  Ship-type requirement (1 / 2 / 3) for carrying a given chemical cargo, per IBC Code Chapter 2.

• ICCP - Power Supply Rating

  ICCP power-supply rating from required hull-protection current, voltage, and design margin - the unit spec for new-build / retrofit.

• ICCP Set-point Check

  CP potential measurement - steel is protected when its potential vs Ag/AgCl reference electrode is between −800 mV and −1100 mV.

• Ice Atlas - Route Choice

  Ice Atlas - Route Choice - concept summary and example calculation.

• Ice Class - Sub-Categories

  Ice class sub-category choice - from FSICR (IA/IB/IC/IC Super) to IACS PC1-PC7 - determines ice load + hull power.

• Ice Design Load (IACS UR I1)

  Order-of-magnitude ice bow load per IACS Polar Class UR I1, using the class-factor and hull-form dependencies.

• Ice Drift Vector

  Free-drifting ice moves ~2 % of wind speed at ~30° to the right of wind (Nansen rule) in northern hemisphere, plus any surface-current contribution.

• Ice Frame Load - FSICR Section Modulus

  Required section modulus of an ice-strengthened frame under FSICR ice-pressure load p_ice - quick rule-based scantling check for bow/ice-belt frames.

• Ice-Resistance - Jones / Kashteljan

  Ice-resistance estimate for a merchant ship in level ice using Jones 2005 / Kashteljan formula - the go-to screening method in ice-class design.

• Ice-Steel Adhesion - Shear Strength

  Shear strength between ice and hull-coating surface at a given temperature - crucial for ice-breaking resistance prediction and hull-coating selection.

• Icebreaker - Required Propulsion Power

  Required propulsion power for an icebreaker to maintain 3 kn in a given level-ice thickness - the classical rule-of-thumb.

• Icebreaker Fuel & CO₂

  Polar and Baltic icebreakers. Outside CII scope (operations vary wildly with ice thickness). Per-operating-day intensity is the most stable benchmark.

• IDMT Relay Operating Time (IEC 60255)

  Time to trip for an inverse-time overcurrent relay following IEC 60255 normal/very/extremely inverse curves.

• IE1→IE3 Efficiency Upgrade Savings

  Annual energy and USD savings from replacing an IE1 standard motor with an IE3 premium-efficiency motor.

• IEC 61363 - Ship Short-Circuit Current

  Initial symmetrical short-circuit current (I_k) at a ship's main switchboard per IEC 61363-1 - used to verify switchgear breaking capacity.

• IGC - Ammonia

  Ammonia IGC Code Ch.19 gas carrier cargo - BP -33 °C. Tank type / secondary barrier / venting baseline.

• IGC - Argon (liquefied)

  Argon (liquefied) IGC Code Ch.19 gas carrier cargo - BP -186 °C. Tank type / secondary barrier / venting baseline.

• IGC - Butadiene

  Butadiene IGC Code Ch.19 gas carrier cargo - BP -4 °C. Tank type / secondary barrier / venting baseline.

• IGC - Butane

  Butane IGC Code Ch.19 gas carrier cargo - BP -1 °C. Tank type / secondary barrier / venting baseline.

• IGC - Butylene

  Butylene IGC Code Ch.19 gas carrier cargo - BP -6 °C. Tank type / secondary barrier / venting baseline.

• IGC - Carbon Dioxide (liquefied)

  Carbon Dioxide (liquefied) IGC Code Ch.19 gas carrier cargo - BP -56 °C. Tank type / secondary barrier / venting baseline.

• IGC - Chlorine

  Chlorine IGC Code Ch.19 gas carrier cargo - BP -34 °C. Tank type / secondary barrier / venting baseline.

• IGC - Diethylamine

  Diethylamine IGC Code Ch.19 gas carrier cargo - BP 55 °C. Tank type / secondary barrier / venting baseline.

• IGC - Dimethyl Ether

  Dimethyl Ether IGC Code Ch.19 gas carrier cargo - BP -24 °C. Tank type / secondary barrier / venting baseline.

• IGC - Dimethylamine

  Dimethylamine IGC Code Ch.19 gas carrier cargo - BP 7 °C. Tank type / secondary barrier / venting baseline.

• IGC - Ethane

  Ethane IGC Code Ch.19 gas carrier cargo - BP -89 °C. Tank type / secondary barrier / venting baseline.

• IGC - Ethyl Chloride

  Ethyl Chloride IGC Code Ch.19 gas carrier cargo - BP 12 °C. Tank type / secondary barrier / venting baseline.

• IGC - Ethylene

  Ethylene IGC Code Ch.19 gas carrier cargo - BP -104 °C. Tank type / secondary barrier / venting baseline.

• IGC - Ethylene Oxide

  Ethylene Oxide IGC Code Ch.19 gas carrier cargo - BP 11 °C. Tank type / secondary barrier / venting baseline.

• IGC - Hydrogen (liquefied)

  Hydrogen (liquefied) IGC Code Ch.19 gas carrier cargo - BP -253 °C. Tank type / secondary barrier / venting baseline.

• IGC - Hydrogen Cyanide

  Hydrogen Cyanide IGC Code Ch.19 gas carrier cargo - BP 26 °C. Tank type / secondary barrier / venting baseline.

• IGC - Isobutane

  Isobutane IGC Code Ch.19 gas carrier cargo - BP -12 °C. Tank type / secondary barrier / venting baseline.

• IGC - Isoprene

  Isoprene IGC Code Ch.19 gas carrier cargo - BP 34 °C. Tank type / secondary barrier / venting baseline.

• IGC - Methane (LNG)

  Methane (LNG) IGC Code Ch.19 gas carrier cargo - BP -162 °C. Tank type / secondary barrier / venting baseline.

• IGC - Methyl Bromide

  Methyl Bromide IGC Code Ch.19 gas carrier cargo - BP 4 °C. Tank type / secondary barrier / venting baseline.

• IGC - Methyl Chloride

  Methyl Chloride IGC Code Ch.19 gas carrier cargo - BP -24 °C. Tank type / secondary barrier / venting baseline.

• IGC - Monoethylamine

  Monoethylamine IGC Code Ch.19 gas carrier cargo - BP 17 °C. Tank type / secondary barrier / venting baseline.

• IGC - Nitrogen (liquefied)

  Nitrogen (liquefied) IGC Code Ch.19 gas carrier cargo - BP -196 °C. Tank type / secondary barrier / venting baseline.

• IGC - Propane

  Propane IGC Code Ch.19 gas carrier cargo - BP -42 °C. Tank type / secondary barrier / venting baseline.

• IGC - Propylene

  Propylene IGC Code Ch.19 gas carrier cargo - BP -47 °C. Tank type / secondary barrier / venting baseline.

• IGC - Propylene Oxide

  Propylene Oxide IGC Code Ch.19 gas carrier cargo - BP 34 °C. Tank type / secondary barrier / venting baseline.

• IGC - Sulphur Dioxide

  Sulphur Dioxide IGC Code Ch.19 gas carrier cargo - BP -10 °C. Tank type / secondary barrier / venting baseline.

• IGC - Trimethylamine

  Trimethylamine IGC Code Ch.19 gas carrier cargo - BP 3 °C. Tank type / secondary barrier / venting baseline.

• IGC - Vinyl Chloride (VCM)

  Vinyl Chloride (VCM) IGC Code Ch.19 gas carrier cargo - BP -14 °C. Tank type / secondary barrier / venting baseline.

• IGC - Vinyl Ethyl Ether

  Vinyl Ethyl Ether IGC Code Ch.19 gas carrier cargo - BP 36 °C. Tank type / secondary barrier / venting baseline.

• IGC - Vinyl Methyl Ether

  Vinyl Methyl Ether IGC Code Ch.19 gas carrier cargo - BP 6 °C. Tank type / secondary barrier / venting baseline.

• IGC Code Tank Types A / B / C / Membrane

  IGC Code cargo-containment tank type selection - independent A/B/C or integrated membrane.

• IGC Type C Tank - MARVS Check

  Maximum allowable relief-valve setting (MARVS) for an IGC Type C pressure vessel - 7 bar or higher per IGC Code Ch. 4.

• IMDG - Container Hazard Class Display

  IMDG class decal requirements on a DG container - diamond placard 250 × 250 mm on all 4 sides.

• IMDG - Packing Group Screening

  Classify an IMDG packing group (I, II, III) by cargo flash point, boiling point or toxicity class.

• IMDG Class 4.3 - Water-Reactive

  IMDG Class 4.3 cargo - ignites on contact with water or emits flammable gas. Stowage / segregation rules.

• IMDG Class 7 - Radioactive Shipping

  IMDG Class 7 radioactive material - Transport Index (TI) determines stowage category.

• IMDG EmS - Emergency Schedule

  Look-up of IMDG Emergency Response Schedule (EmS) code by UN number - format F-x / S-y for fire / spillage response.

• IMDG Limited Quantity - Mark Check

  Limited Quantity marking per IMDG Code 3.4 - reduces DG formalities for small retail packaging.

• IMDG Packing Group (PG I/II/III)

  Packing-group assignment by hazard severity - drives packaging, marking and allowed-quantity thresholds.

• IMDG Segregation Distance

  Minimum distance between containers of different IMDG hazard classes per IMDG Code §7.2 segregation table.

• Immingham (GB) - Port Card

  Immingham, GB - annual throughput ~100,000 TEU, max draft 14 m. UK East.

• IMO A.1047(27) - Principles of safe manning

  IMO Resolution A.1047(27) - Principles of safe manning. Summary reference for compliance and audit work.

• IMO A.1067(28) - IMO Member State Audit Scheme

  IMO Resolution A.1067(28) - IMO Member State Audit Scheme. Summary reference for compliance and audit work.

• IMO A.751(18) - Interim standards for ship manoeuvrability

  IMO Resolution A.751(18) - Interim standards for ship manoeuvrability. Summary reference for compliance and audit work.

• IMO AFS 2001 - Anti-Fouling Systems

  AFS 2001 (2001) - Anti-Fouling Systems. Applicability + basic compliance summary.

• IMO Bunkers 2001 - Bunker Oil Pollution Liability

  Bunkers 2001 (2001) - Bunker Oil Pollution Liability. Applicability + basic compliance summary.

• IMO BWMC - Ballast Water Management

  BWMC (2004) - Ballast Water Management. Applicability + basic compliance summary.

• IMO Casualty - Very Serious Class

  Marine-casualty classification per IMO MSC.255(84) - very serious vs serious vs less serious.

• IMO CLC - Civil Liability for Oil Pollution

  CLC (1992) - Civil Liability for Oil Pollution. Applicability + basic compliance summary.

• IMO COLREGs - Collision Regulations

  COLREGs (1972) - Collision Regulations. Applicability + basic compliance summary.

• IMO DCS - Annual Fuel Report

  IMO DCS (Data Collection System) annual fuel consumption report per MARPOL Annex VI Reg. 27 for ships > 5 000 GT.

• IMO DCS Annual Report

  Annual aggregate filed under MARPOL Annex VI Regulation 22A.

• IMO FSS Code - Fire Safety Systems Code

  FSS Code (2002) - Fire Safety Systems Code. Applicability + basic compliance summary.

• IMO HNS 2010 - Hazardous & Noxious Substances

  HNS 2010 (2010) - Hazardous & Noxious Substances. Applicability + basic compliance summary.

• IMO Hong Kong 2009 - Ship Recycling

  Hong Kong 2009 (2009) - Ship Recycling. Applicability + basic compliance summary.

• IMO IBC Code - Int'l Bulk Chemical Code

  IBC Code (1986) - Int'l Bulk Chemical Code. Applicability + basic compliance summary.

• IMO IGC Code - Int'l Gas Carrier Code

  IGC Code (1986) - Int'l Gas Carrier Code. Applicability + basic compliance summary.

• IMO IGF Code - International Gas Fuel Code

  IGF Code (2017) - International Gas Fuel Code. Applicability + basic compliance summary.

• IMO IMDG - Int'l Maritime Dangerous Goods

  IMDG (1965) - Int'l Maritime Dangerous Goods. Applicability + basic compliance summary.

• IMO IMSBC - Int'l Maritime Solid Bulk Cargoes

  IMSBC (2008) - Int'l Maritime Solid Bulk Cargoes. Applicability + basic compliance summary.

• IMO Intervention 1969 - Oil Pollution Intervention

  Intervention 1969 (1969) - Oil Pollution Intervention. Applicability + basic compliance summary.

• IMO ISM Code - Int'l Safety Management

  ISM Code (1993) - Int'l Safety Management. Applicability + basic compliance summary.

• IMO ISPS Code - Int'l Ship and Port Security

  ISPS Code (2002) - Int'l Ship and Port Security. Applicability + basic compliance summary.

• IMO LL - Load Lines Convention

  LL (1966) - Load Lines Convention. Applicability + basic compliance summary.

• IMO LLMC 1976 - Limitation of Liability Maritime Claims

  LLMC 1976 (1976) - Limitation of Liability Maritime Claims. Applicability + basic compliance summary.

• IMO London Protocol - Dumping Prevention (Ocean)

  London Protocol (1996) - Dumping Prevention (Ocean). Applicability + basic compliance summary.

• IMO LSA Code - Life-Saving Appliances Code

  LSA Code (1996) - Life-Saving Appliances Code. Applicability + basic compliance summary.

• IMO MARPOL - Marine Pollution Prevention

  MARPOL (1973) - Marine Pollution Prevention. Applicability + basic compliance summary.

• IMO MEPC.107(49) - Oil filtering equipment 15 ppm

  IMO MEPC.107(49) test method - Oil filtering equipment 15 ppm. Common lab test used for marine water quality assessment.

• IMO MEPC.107(49) - Oil filtering equipment for machinery-space bilges

  IMO Resolution MEPC.107(49) - Oil filtering equipment for machinery-space bilges. Summary reference for compliance and audit work.

• IMO MEPC.115(51) - Guidelines for engine emission surveys

  IMO Resolution MEPC.115(51) - Guidelines for engine emission surveys. Summary reference for compliance and audit work.

• IMO MEPC.130(53) - Guidelines for voluntary oil spill response plan

  IMO Resolution MEPC.130(53) - Guidelines for voluntary oil spill response plan. Summary reference for compliance and audit work.

• IMO MEPC.139(53) - Guidelines for Environmental Compliance

  IMO Resolution MEPC.139(53) - Guidelines for Environmental Compliance. Summary reference for compliance and audit work.

• IMO MEPC.159(55) - Sewage treatment plant effluent standard (old)

  IMO Resolution MEPC.159(55) - Sewage treatment plant effluent standard (old). Summary reference for compliance and audit work.

• IMO MEPC.159(55) - STP effluent standard

  IMO MEPC.159(55) test method - STP effluent standard. Common lab test used for marine water quality assessment.

• IMO MEPC.176(58) - Amendments to MARPOL Annex VI - Chapter 4

  IMO Resolution MEPC.176(58) - Amendments to MARPOL Annex VI - Chapter 4. Summary reference for compliance and audit work.

• IMO MEPC.182(59) - Sampling of fuel oil for determination of compliance

  IMO Resolution MEPC.182(59) - Sampling of fuel oil for determination of compliance. Summary reference for compliance and audit work.

• IMO MEPC.184(59) - Exhaust Gas Cleaning System guidelines

  IMO Resolution MEPC.184(59) - Exhaust Gas Cleaning System guidelines. Summary reference for compliance and audit work.

• IMO MEPC.213(63) - Guidelines for energy management plan (SEEMP)

  IMO Resolution MEPC.213(63) - Guidelines for energy management plan (SEEMP). Summary reference for compliance and audit work.

• IMO MEPC.214(63) - Survey and certification of EEDI

  IMO Resolution MEPC.214(63) - Survey and certification of EEDI. Summary reference for compliance and audit work.

• IMO MEPC.215(63) - EEDI reference lines for new ships

  IMO Resolution MEPC.215(63) - EEDI reference lines for new ships. Summary reference for compliance and audit work.

• IMO MEPC.217(63) - Amendments - Special Area provisions

  IMO Resolution MEPC.217(63) - Amendments - Special Area provisions. Summary reference for compliance and audit work.

• IMO MEPC.227(64) - STP revised effluent standard

  IMO MEPC.227(64) test method - STP revised effluent standard. Common lab test used for marine water quality assessment.

• IMO MEPC.231(65) - Guidelines for calculation of attained EEDI

  IMO Resolution MEPC.231(65) - Guidelines for calculation of attained EEDI. Summary reference for compliance and audit work.

• IMO MEPC.232(65) - Guidelines for EEDI minimum propulsion power

  IMO Resolution MEPC.232(65) - Guidelines for EEDI minimum propulsion power. Summary reference for compliance and audit work.

• IMO MEPC.233(65) - Guidelines for ROs under Annex VI

  IMO Resolution MEPC.233(65) - Guidelines for ROs under Annex VI. Summary reference for compliance and audit work.

• IMO MEPC.244(66) - Incinerator standard specification

  IMO Resolution MEPC.244(66) - Incinerator standard specification. Summary reference for compliance and audit work.

• IMO MEPC.245(66) - Guidelines for EEDI from CH4 / N2O fuels

  IMO Resolution MEPC.245(66) - Guidelines for EEDI from CH4 / N2O fuels. Summary reference for compliance and audit work.

• IMO MEPC.246(66) - MEPC.246 - EEDI phase 2 / 3 factor

  IMO Resolution MEPC.246(66) - MEPC.246 - EEDI phase 2 / 3 factor. Summary reference for compliance and audit work.

• IMO MEPC.253(67) - MARPOL Annex VI amendments - NOx Tier III

  IMO Resolution MEPC.253(67) - MARPOL Annex VI amendments - NOx Tier III. Summary reference for compliance and audit work.

• IMO MEPC.258(67) - Guidelines for methodological approach to EEDI validation

  IMO Resolution MEPC.258(67) - Guidelines for methodological approach to EEDI validation. Summary reference for compliance and audit work.

• IMO MEPC.259(68) - Ballast Water Management System D-2 standard

  IMO Resolution MEPC.259(68) - Ballast Water Management System D-2 standard. Summary reference for compliance and audit work.

• IMO MEPC.260(68) - Ballast Water Management Convention G8 type approval

  IMO Resolution MEPC.260(68) - Ballast Water Management Convention G8 type approval. Summary reference for compliance and audit work.

• IMO MEPC.265(68) - Amendment MEPC.272(69) - sulphur monitoring

  IMO Resolution MEPC.265(68) - Amendment MEPC.272(69) - sulphur monitoring. Summary reference for compliance and audit work.

• IMO MEPC.271(69) - Amendments to IBC Code (MARPOL Annex II)

  IMO Resolution MEPC.271(69) - Amendments to IBC Code (MARPOL Annex II). Summary reference for compliance and audit work.

• IMO MEPC.273(69) - Guidelines for SEEMP Part II data collection

  IMO Resolution MEPC.273(69) - Guidelines for SEEMP Part II data collection. Summary reference for compliance and audit work.

• IMO MEPC.277(70) - Amendments MARPOL Annex VI - Data Collection System

  IMO Resolution MEPC.277(70) - Amendments MARPOL Annex VI - Data Collection System. Summary reference for compliance and audit work.

• IMO MEPC.278(70) - Amendments SEEMP Part II for reporting

  IMO Resolution MEPC.278(70) - Amendments SEEMP Part II for reporting. Summary reference for compliance and audit work.

• IMO MEPC.281(70) - Guidelines for calculation of required EEDI

  IMO Resolution MEPC.281(70) - Guidelines for calculation of required EEDI. Summary reference for compliance and audit work.

• IMO MEPC.282(70) - Guidelines for verification of attained EEDI

  IMO Resolution MEPC.282(70) - Guidelines for verification of attained EEDI. Summary reference for compliance and audit work.

• IMO MEPC.295(71) - Garbage Management Plan revised guidelines

  IMO Resolution MEPC.295(71) - Garbage Management Plan revised guidelines. Summary reference for compliance and audit work.

• IMO MEPC.300(72) - BWMS Code amendments (G8)

  IMO Resolution MEPC.300(72) - BWMS Code amendments (G8). Summary reference for compliance and audit work.

• IMO MEPC.305(73) - Amendments - North American ECA

  IMO Resolution MEPC.305(73) - Amendments - North American ECA. Summary reference for compliance and audit work.

• IMO MEPC.308(73) - EEDI revised reference lines for container + ro-ro

  IMO Resolution MEPC.308(73) - EEDI revised reference lines for container + ro-ro. Summary reference for compliance and audit work.

• IMO MEPC.323(74) - JIT arrival - industry engagement

  IMO Resolution MEPC.323(74) - JIT arrival - industry engagement. Summary reference for compliance and audit work.

• IMO MEPC.328(76) - Amendments MARPOL Annex VI - EEXI + CII

  IMO Resolution MEPC.328(76) - Amendments MARPOL Annex VI - EEXI + CII. Summary reference for compliance and audit work.

• IMO MEPC.334(76) - Amendments BWMC - commissioning testing

  IMO Resolution MEPC.334(76) - Amendments BWMC - commissioning testing. Summary reference for compliance and audit work.

• IMO MEPC.336(76) - Guidelines on operational carbon intensity (CII)

  IMO Resolution MEPC.336(76) - Guidelines on operational carbon intensity (CII). Summary reference for compliance and audit work.

• IMO MEPC.337(76) - Guidelines on reference lines for CII

  IMO Resolution MEPC.337(76) - Guidelines on reference lines for CII. Summary reference for compliance and audit work.

• IMO MEPC.338(76) - Guidelines on CII rating thresholds

  IMO Resolution MEPC.338(76) - Guidelines on CII rating thresholds. Summary reference for compliance and audit work.

• IMO MEPC.339(76) - Guidelines on CII corrective action

  IMO Resolution MEPC.339(76) - Guidelines on CII corrective action. Summary reference for compliance and audit work.

• IMO MEPC.340(77) - EGCS discharge water monitoring + recording

  IMO Resolution MEPC.340(77) - EGCS discharge water monitoring + recording. Summary reference for compliance and audit work.

• IMO MEPC.346(78) - Guidelines on SEEMP Part III implementation

  IMO Resolution MEPC.346(78) - Guidelines on SEEMP Part III implementation. Summary reference for compliance and audit work.

• IMO MEPC.353(78) - Amendments to MARPOL Annex I - oily mixtures

  IMO Resolution MEPC.353(78) - Amendments to MARPOL Annex I - oily mixtures. Summary reference for compliance and audit work.

• IMO MEPC.364(79) - Amendments - GHG fuel-factor table update

  IMO Resolution MEPC.364(79) - Amendments - GHG fuel-factor table update. Summary reference for compliance and audit work.

• IMO MEPC.377(80) - Revised GHG strategy - net-zero by/around 2050

  IMO Resolution MEPC.377(80) - Revised GHG strategy - net-zero by/around 2050. Summary reference for compliance and audit work.

• IMO MEPC.378(80) - Revised guidelines on biofouling management

  IMO Resolution MEPC.378(80) - Revised guidelines on biofouling management. Summary reference for compliance and audit work.

• IMO MLC 2006 - Maritime Labour Convention

  MLC 2006 (2006) - Maritime Labour Convention. Applicability + basic compliance summary.

• IMO MSC.137(76) - Ship manoeuvrability standards

  IMO Resolution MSC.137(76) - Ship manoeuvrability standards. Summary reference for compliance and audit work.

• IMO MSC.145(77) - Adoption of IGC Code revised

  IMO Resolution MSC.145(77) - Adoption of IGC Code revised. Summary reference for compliance and audit work.

• IMO MSC.159(78) - Amendments - IMDG Code 32-04

  IMO Resolution MSC.159(78) - Amendments - IMDG Code 32-04. Summary reference for compliance and audit work.

• IMO MSC.216(82) - SOLAS II-1/II-2 amendments - fire + safety

  IMO Resolution MSC.216(82) - SOLAS II-1/II-2 amendments - fire + safety. Summary reference for compliance and audit work.

• IMO MSC.255(84) - Casualty investigation code

  IMO Resolution MSC.255(84) - Casualty investigation code. Summary reference for compliance and audit work.

• IMO MSC.268(85) - IMSBC Code adoption

  IMO Resolution MSC.268(85) - IMSBC Code adoption. Summary reference for compliance and audit work.

• IMO MSC.333(90) - Performance standards for VDR

  IMO Resolution MSC.333(90) - Performance standards for VDR. Summary reference for compliance and audit work.

• IMO MSC.385(94) - Polar Code adoption

  IMO Resolution MSC.385(94) - Polar Code adoption. Summary reference for compliance and audit work.

• IMO MSC.402(96) - Requirements for LSA release hooks - revised

  IMO Resolution MSC.402(96) - Requirements for LSA release hooks - revised. Summary reference for compliance and audit work.

• IMO MSC.428(98) - Maritime cyber-risk management

  IMO Resolution MSC.428(98) - Maritime cyber-risk management. Summary reference for compliance and audit work.

• IMO MSC.522(106) - IMDG Code 41-22 adoption

  IMO Resolution MSC.522(106) - IMDG Code 41-22 adoption. Summary reference for compliance and audit work.

• IMO MSC.537(106) - Goal-based standards audit

  IMO Resolution MSC.537(106) - Goal-based standards audit. Summary reference for compliance and audit work.

• IMO MSC.81(70) - LSA Code amendments - lifeboat release hooks

  IMO Resolution MSC.81(70) - LSA Code amendments - lifeboat release hooks. Summary reference for compliance and audit work.

• IMO Nairobi WRC - Wreck Removal Convention

  Nairobi WRC (2007) - Wreck Removal Convention. Applicability + basic compliance summary.

• IMO NOx Technical Code - NOx emission test cycle

  IMO NOx Technical Code test method - NOx emission test cycle. Common lab test used for marine emissions quality assessment.

• IMO OPRC 1990 - Oil Pollution Preparedness Response

  OPRC 1990 (1990) - Oil Pollution Preparedness Response. Applicability + basic compliance summary.

• IMO Polar Code - Polar Waters Operation Code

  Polar Code (2017) - Polar Waters Operation Code. Applicability + basic compliance summary.

• IMO SAR 1979 - Search and Rescue

  SAR 1979 (1979) - Search and Rescue. Applicability + basic compliance summary.

• IMO SOLAS - Safety of Life at Sea

  SOLAS (1974) - Safety of Life at Sea. Applicability + basic compliance summary.

• IMO STCW - Seafarer Training, Certification

  STCW (1978) - Seafarer Training, Certification. Applicability + basic compliance summary.

• IMO SUA 1988 - Suppression of Unlawful Acts

  SUA 1988 (1988) - Suppression of Unlawful Acts. Applicability + basic compliance summary.

• IMO Tonnage 1969 - International Tonnage Measurement

  Tonnage 1969 (1969) - International Tonnage Measurement. Applicability + basic compliance summary.

• IMO Type 9 Portable Tank

  IMO type 9 tank (former IMO-9) for liquefied gases and refrigerated low-temp cargoes - design temp -196 °C to -40 °C.

• IMSBC - Activated Carbon

  Activated Carbon IMSBC Code cargo summary - Group B, bulk density 400 kg/m³. Self-heat.

• IMSBC - Alumina

  Alumina IMSBC Code cargo summary - Group C, bulk density 1000 kg/m³. Dust; caustic.

• IMSBC - Aluminium Dross

  Aluminium Dross IMSBC Code cargo summary - Group B, bulk density 1800 kg/m³. Pyrophoric.

• IMSBC - Aluminium Sulphate

  Aluminium Sulphate IMSBC Code cargo summary - Group C, bulk density 1500 kg/m³. Corrosive when wet.

• IMSBC - Ammonia Nitrate Based Fertilisers UN2067

  Ammonia Nitrate Based Fertilisers UN2067 IMSBC Code cargo summary - Group B, bulk density 900 kg/m³. Oxidiser class 5.1.

• IMSBC - Ammonia Nitrate UN1942

  Ammonia Nitrate UN1942 IMSBC Code cargo summary - Group B, bulk density 900 kg/m³. Oxidiser class 5.1.

• IMSBC - Ammonium Sulphate

  Ammonium Sulphate IMSBC Code cargo summary - Group C, bulk density 900 kg/m³. Not dangerous bulk.

• IMSBC - Antimony Ore

  Antimony Ore IMSBC Code cargo summary - Group C, bulk density 2600 kg/m³, angle of repose ~30°.

• IMSBC - Asbestos

  Asbestos IMSBC Code cargo summary - Group C, bulk density 1500 kg/m³. Health hazard; regulated.

• IMSBC - Barium Nitrate

  Barium Nitrate IMSBC Code cargo summary - Group B, bulk density 1700 kg/m³, angle of repose ~30°.

• IMSBC - Barley

  Barley IMSBC Code cargo summary - Group C, bulk density 620 kg/m³. Shift.

• IMSBC - Barytes (BaSO4)

  Barytes (BaSO4) IMSBC Code cargo summary - Group C, bulk density 4500 kg/m³, angle of repose ~32°.

• IMSBC - Bauxite

  Bauxite IMSBC Code cargo summary - Group C, bulk density 1200 kg/m³. Dust; sometimes Group A fines.

• IMSBC - Bauxite Fines

  Bauxite Fines IMSBC Code cargo summary - Group A, bulk density 1400 kg/m³. Liquefaction (recent schedule).

• IMSBC - Bentonite

  Bentonite IMSBC Code cargo summary - Group A, bulk density 1000 kg/m³. Liquefaction.

• IMSBC - Beryllium Ore

  Beryllium Ore IMSBC Code cargo summary - Group C, bulk density 2700 kg/m³, angle of repose ~32°.

• IMSBC - Biomass Pellets

  Biomass Pellets IMSBC Code cargo summary - Group B, bulk density 700 kg/m³. Self-heat, CO fatal.

• IMSBC - Borate (Boron)

  Borate (Boron) IMSBC Code cargo summary - Group C, bulk density 1000 kg/m³. Inert.

• IMSBC - Borax

  Borax IMSBC Code cargo summary - Group C, bulk density 900 kg/m³. Inert.

• IMSBC - Borax (Anhydrous)

  Borax (Anhydrous) IMSBC Code cargo summary - Group C, bulk density 1200 kg/m³, angle of repose ~30°.

• IMSBC - Bottom Ash

  Bottom Ash IMSBC Code cargo summary - Group C, bulk density 1100 kg/m³. Hot during loading.

• IMSBC - Brucite

  Brucite IMSBC Code cargo summary - Group C, bulk density 2300 kg/m³, angle of repose ~30°.

• IMSBC - Calcium Carbide

  Calcium Carbide IMSBC Code cargo summary - Group B, bulk density 1200 kg/m³. Water-reactive.

• IMSBC - Calcium Chloride

  Calcium Chloride IMSBC Code cargo summary - Group C, bulk density 1100 kg/m³. Hygroscopic.

• IMSBC - Calcium Nitrate

  Calcium Nitrate IMSBC Code cargo summary - Group B, bulk density 1400 kg/m³, angle of repose ~30°.

• IMSBC - Calcium Phosphate

  Calcium Phosphate IMSBC Code cargo summary - Group C, bulk density 1100 kg/m³. Inert.

• IMSBC - Canola Seeds

  Canola Seeds IMSBC Code cargo summary - Group B, bulk density 700 kg/m³. Self-heat.

• IMSBC - Carbon Black

  Carbon Black IMSBC Code cargo summary - Group B, bulk density 250 kg/m³. Self-heat.

• IMSBC - Carborundum

  Carborundum IMSBC Code cargo summary - Group C, bulk density 2000 kg/m³, angle of repose ~30°.

• IMSBC - Castor Meal

  Castor Meal IMSBC Code cargo summary - Group C, bulk density 500 kg/m³, angle of repose ~32°.

• IMSBC - Caustic Soda (NaOH)

  Caustic Soda (NaOH) IMSBC Code cargo summary - Group B, bulk density 2100 kg/m³. Highly corrosive.

• IMSBC - Cement

  Cement IMSBC Code cargo summary - Group C, bulk density 1400 kg/m³. Dust; heats when wetted.

• IMSBC - Chalk

  Chalk IMSBC Code cargo summary - Group C, bulk density 1400 kg/m³, angle of repose ~30°.

• IMSBC - Charcoal

  Charcoal IMSBC Code cargo summary - Group B, bulk density 400 kg/m³. Self-heat.

• IMSBC - Chromite

  Chromite IMSBC Code cargo summary - Group C, bulk density 2400 kg/m³. Heavy.

• IMSBC - Cinders (Pulverised)

  Cinders (Pulverised) IMSBC Code cargo summary - Group B, bulk density 700 kg/m³, angle of repose ~32°.

• IMSBC - Clinker

  Clinker IMSBC Code cargo summary - Group C, bulk density 1400 kg/m³. Heats when wetted.

• IMSBC - Coal (Anthracite)

  Coal (Anthracite) IMSBC Code cargo summary - Group B, bulk density 900 kg/m³. Self-heat.

• IMSBC - Coal (Bituminous)

  Coal (Bituminous) IMSBC Code cargo summary - Group B, bulk density 850 kg/m³. Self-heat; methane.

• IMSBC - Coal (Lignite)

  Coal (Lignite) IMSBC Code cargo summary - Group B, bulk density 750 kg/m³. High self-heat.

• IMSBC - Coke

  Coke IMSBC Code cargo summary - Group C, bulk density 550 kg/m³. Dust.

• IMSBC - Coke Breeze

  Coke Breeze IMSBC Code cargo summary - Group B, bulk density 650 kg/m³. Self-heat.

• IMSBC - Copper Concentrate

  Copper Concentrate IMSBC Code cargo summary - Group A, bulk density 2600 kg/m³. Liquefaction.

• IMSBC - Copper Dross

  Copper Dross IMSBC Code cargo summary - Group C, bulk density 3000 kg/m³, angle of repose ~30°.

• IMSBC - Copper Matte

  Copper Matte IMSBC Code cargo summary - Group C, bulk density 3800 kg/m³. Heavy.

• IMSBC - Copper Slag

  Copper Slag IMSBC Code cargo summary - Group C, bulk density 2200 kg/m³. Heavy.

• IMSBC - Copra (Dried Coconut)

  Copra (Dried Coconut) IMSBC Code cargo summary - Group B, bulk density 500 kg/m³. High self-heat.

• IMSBC - Corn Cob

  Corn Cob IMSBC Code cargo summary - Group C, bulk density 300 kg/m³, angle of repose ~38°.

• IMSBC - Corn Gluten Feed

  Corn Gluten Feed IMSBC Code cargo summary - Group B, bulk density 500 kg/m³. Self-heat.

• IMSBC - Cornmeal

  Cornmeal IMSBC Code cargo summary - Group B, bulk density 620 kg/m³, angle of repose ~32°.

• IMSBC - Cotton Seeds

  Cotton Seeds IMSBC Code cargo summary - Group B, bulk density 470 kg/m³. Self-heat.

• IMSBC - Cottonseed

  Cottonseed IMSBC Code cargo summary - Group B, bulk density 650 kg/m³, angle of repose ~30°.

• IMSBC - Cottonseed Meal

  Cottonseed Meal IMSBC Code cargo summary - Group B, bulk density 500 kg/m³. Self-heat.

• IMSBC - Cryolite

  Cryolite IMSBC Code cargo summary - Group C, bulk density 2900 kg/m³, angle of repose ~30°.

• IMSBC - DAP (Diammonium Phosphate)

  DAP (Diammonium Phosphate) IMSBC Code cargo summary - Group C, bulk density 1050 kg/m³. Not dangerous bulk.

• IMSBC - Direct Reduced Iron (A)

  Direct Reduced Iron (A) IMSBC Code cargo summary - Group B, bulk density 2800 kg/m³. Self-heat, hydrogen.

• IMSBC - Dolomite

  Dolomite IMSBC Code cargo summary - Group C, bulk density 1600 kg/m³. Not hazardous.

• IMSBC - Dolomite Pellets

  Dolomite Pellets IMSBC Code cargo summary - Group C, bulk density 1700 kg/m³, angle of repose ~32°.

• IMSBC - DRI (B)

  DRI (B) IMSBC Code cargo summary - Group B, bulk density 2800 kg/m³. Inerting required.

• IMSBC - DRI Fines (C)

  DRI Fines (C) IMSBC Code cargo summary - Group B, bulk density 2500 kg/m³. Very reactive.

• IMSBC - Feldspar

  Feldspar IMSBC Code cargo summary - Group C, bulk density 1500 kg/m³. Not hazardous.

• IMSBC - Ferrite

  Ferrite IMSBC Code cargo summary - Group C, bulk density 2500 kg/m³, angle of repose ~30°.

• IMSBC - Ferrochrome

  Ferrochrome IMSBC Code cargo summary - Group C, bulk density 3500 kg/m³. Heavy.

• IMSBC - Ferromanganese

  Ferromanganese IMSBC Code cargo summary - Group C, bulk density 3300 kg/m³. Heavy.

• IMSBC - Ferromolybdenum

  Ferromolybdenum IMSBC Code cargo summary - Group C, bulk density 3500 kg/m³, angle of repose ~30°.

• IMSBC - Ferronickel

  Ferronickel IMSBC Code cargo summary - Group C, bulk density 3500 kg/m³. Heavy.

• IMSBC - Ferrosilicon

  Ferrosilicon IMSBC Code cargo summary - Group B, bulk density 2800 kg/m³. Water-reactive; H2/PH3.

• IMSBC - Ferrotungsten

  Ferrotungsten IMSBC Code cargo summary - Group C, bulk density 3500 kg/m³, angle of repose ~30°.

• IMSBC - Fertiliser - AN (NH4NO3)

  Fertiliser - AN (NH4NO3) IMSBC Code cargo summary - Group B, bulk density 900 kg/m³. Oxidiser class 5.1.

• IMSBC - Fertiliser - Urea

  Fertiliser - Urea IMSBC Code cargo summary - Group C, bulk density 760 kg/m³. Not dangerous.

• IMSBC - Fishmeal

  Fishmeal IMSBC Code cargo summary - Group B, bulk density 600 kg/m³. Fire; class 9.

• IMSBC - Fishmeal Flaked

  Fishmeal Flaked IMSBC Code cargo summary - Group B, bulk density 500 kg/m³. Fire.

• IMSBC - Flow Moisture Point

  Compute TML from flow moisture point per IMSBC 1.7 - TML = 0.9 × FMP for most Group A cargoes.

• IMSBC - Fluorspar

  Fluorspar IMSBC Code cargo summary - Group A, bulk density 1600 kg/m³. Liquefaction.

• IMSBC - Fluorspar Concentrate

  Fluorspar Concentrate IMSBC Code cargo summary - Group A, bulk density 1700 kg/m³, angle of repose ~30°.

• IMSBC - Fly Ash

  Fly Ash IMSBC Code cargo summary - Group C, bulk density 800 kg/m³. Corrosive if wet.

• IMSBC - Glass Cullet

  Glass Cullet IMSBC Code cargo summary - Group C, bulk density 1200 kg/m³. Sharp.

• IMSBC - Glass Wool Strands

  Glass Wool Strands IMSBC Code cargo summary - Group B, bulk density 300 kg/m³, angle of repose ~30°.

• IMSBC - Grain - Corn

  Grain - Corn IMSBC Code cargo summary - Group C, bulk density 720 kg/m³. Shift risk.

• IMSBC - Grain - Rice Bran

  Grain - Rice Bran IMSBC Code cargo summary - Group B, bulk density 550 kg/m³. Self-heat.

• IMSBC - Grain - Soybeans

  Grain - Soybeans IMSBC Code cargo summary - Group C, bulk density 720 kg/m³. Shift risk; heat-sensitive.

• IMSBC - Grain - Wheat

  Grain - Wheat IMSBC Code cargo summary - Group C, bulk density 780 kg/m³. Shift risk - grain code.

• IMSBC - Granite Chips

  Granite Chips IMSBC Code cargo summary - Group C, bulk density 1600 kg/m³, angle of repose ~32°.

• IMSBC - Granulated Slag

  Granulated Slag IMSBC Code cargo summary - Group C, bulk density 1000 kg/m³. Heats when wet.

• IMSBC - Graphite

  Graphite IMSBC Code cargo summary - Group C, bulk density 2200 kg/m³. Dust.

• IMSBC - Gravel Iron-bearing

  Gravel Iron-bearing IMSBC Code cargo summary - Group C, bulk density 2400 kg/m³, angle of repose ~32°.

• IMSBC - Gypsum

  Gypsum IMSBC Code cargo summary - Group C, bulk density 1400 kg/m³. Not hazardous.

• IMSBC - Gypsum Anhydrite

  Gypsum Anhydrite IMSBC Code cargo summary - Group C, bulk density 1800 kg/m³, angle of repose ~30°.

• IMSBC - Ilmenite

  Ilmenite IMSBC Code cargo summary - Group A, bulk density 2800 kg/m³. Liquefaction.

• IMSBC - Ilmenite Clay

  Ilmenite Clay IMSBC Code cargo summary - Group A, bulk density 2500 kg/m³, angle of repose ~30°.

• IMSBC - Ilmenite Sand

  Ilmenite Sand IMSBC Code cargo summary - Group A, bulk density 2800 kg/m³. Liquefaction.

• IMSBC - Industrial Sand

  Industrial Sand IMSBC Code cargo summary - Group C, bulk density 1500 kg/m³. Dust.

• IMSBC - Iron Concentrate

  Iron Concentrate IMSBC Code cargo summary - Group A, bulk density 2700 kg/m³. Liquefaction.

• IMSBC - Iron Ore

  Iron Ore IMSBC Code cargo summary - Group C, bulk density 2700 kg/m³. Not hazardous; heavy.

• IMSBC - Iron Ore Fines (IOF)

  Iron Ore Fines (IOF) IMSBC Code cargo summary - Group A, bulk density 2600 kg/m³. Liquefaction risk.

• IMSBC - Iron Oxide (spent)

  Iron Oxide (spent) IMSBC Code cargo summary - Group B, bulk density 1800 kg/m³. Self-heat.

• IMSBC - Iron Sponge

  Iron Sponge IMSBC Code cargo summary - Group B, bulk density 2200 kg/m³. Pyrophoric.

• IMSBC - Iron Swarf

  Iron Swarf IMSBC Code cargo summary - Group B, bulk density 1500 kg/m³. Self-heat.

• IMSBC - Kaolin (China Clay)

  Kaolin (China Clay) IMSBC Code cargo summary - Group A, bulk density 1100 kg/m³. Liquefaction.

• IMSBC - Kieselgur

  Kieselgur IMSBC Code cargo summary - Group C, bulk density 700 kg/m³. Dust.

• IMSBC - Lead Concentrate

  Lead Concentrate IMSBC Code cargo summary - Group A, bulk density 3200 kg/m³. Liquefaction; toxic.

• IMSBC - Lime (Hydrated)

  Lime (Hydrated) IMSBC Code cargo summary - Group C, bulk density 700 kg/m³. Dust.

• IMSBC - Lime (Quicklime)

  Lime (Quicklime) IMSBC Code cargo summary - Group B, bulk density 900 kg/m³. Water-reactive - heats.

• IMSBC - Lime Pebbles

  Lime Pebbles IMSBC Code cargo summary - Group B, bulk density 1100 kg/m³, angle of repose ~30°.

• IMSBC - Limestone

  Limestone IMSBC Code cargo summary - Group C, bulk density 1500 kg/m³. Not hazardous.

• IMSBC - Linseed

  Linseed IMSBC Code cargo summary - Group B, bulk density 720 kg/m³. Self-heat.

• IMSBC - Loading Density Constraint

  Check bulk-cargo load density vs tanktop allowable UDL per structural loading manual.

• IMSBC - Magnesia

  Magnesia IMSBC Code cargo summary - Group C, bulk density 1500 kg/m³. Hygroscopic.

• IMSBC - Magnesite

  Magnesite IMSBC Code cargo summary - Group C, bulk density 3000 kg/m³, angle of repose ~30°.

• IMSBC - Magnetite

  Magnetite IMSBC Code cargo summary - Group C, bulk density 3500 kg/m³. Heavy; heats slightly when wet.

• IMSBC - Manganese Concentrate

  Manganese Concentrate IMSBC Code cargo summary - Group A, bulk density 2700 kg/m³. Liquefaction.

• IMSBC - Manganese Ore

  Manganese Ore IMSBC Code cargo summary - Group C, bulk density 2400 kg/m³. Heavy.

• IMSBC - MAP (Monoammonium Phosphate)

  MAP (Monoammonium Phosphate) IMSBC Code cargo summary - Group C, bulk density 1050 kg/m³. Not dangerous bulk.

• IMSBC - Metal Borings (Magnesium)

  Metal Borings (Magnesium) IMSBC Code cargo summary - Group B, bulk density 1600 kg/m³, angle of repose ~32°.

• IMSBC - Metal Scrap Shredded

  Metal Scrap Shredded IMSBC Code cargo summary - Group C, bulk density 1800 kg/m³. Heat risk.

• IMSBC - Metal Slag (Copper)

  Metal Slag (Copper) IMSBC Code cargo summary - Group C, bulk density 2200 kg/m³, angle of repose ~32°.

• IMSBC - Metal Slags (ferrous)

  Metal Slags (ferrous) IMSBC Code cargo summary - Group C, bulk density 1400 kg/m³, angle of repose ~32°.

• IMSBC - Metal Sulphide Concentrates (general)

  Metal Sulphide Concentrates (general) IMSBC Code cargo summary - Group A, bulk density 2800 kg/m³. Liquefaction; heat-generating.

• IMSBC - Mica

  Mica IMSBC Code cargo summary - Group C, bulk density 800 kg/m³. Not hazardous.

• IMSBC - Monohydrate Ammonium Phosphate

  Monohydrate Ammonium Phosphate IMSBC Code cargo summary - Group B, bulk density 1100 kg/m³. Class 9 hazard.

• IMSBC - Nickel Matte

  Nickel Matte IMSBC Code cargo summary - Group C, bulk density 3400 kg/m³, angle of repose ~32°.

• IMSBC - Nickel Ore

  Nickel Ore IMSBC Code cargo summary - Group A, bulk density 1500 kg/m³. High liquefaction risk.

• IMSBC - Nickel Oxide Concentrates

  Nickel Oxide Concentrates IMSBC Code cargo summary - Group A, bulk density 2900 kg/m³. Liquefaction.

• IMSBC - NPK Compound

  NPK Compound IMSBC Code cargo summary - Group B, bulk density 1200 kg/m³. Oxidising.

• IMSBC - Olivine Sand

  Olivine Sand IMSBC Code cargo summary - Group C, bulk density 3200 kg/m³, angle of repose ~30°.

• IMSBC - Palm Kernel Expeller

  Palm Kernel Expeller IMSBC Code cargo summary - Group B, bulk density 650 kg/m³. Self-heat.

• IMSBC - Palm Kernel Shells

  Palm Kernel Shells IMSBC Code cargo summary - Group B, bulk density 700 kg/m³. Self-heat.

• IMSBC - Peanuts (Shelled)

  Peanuts (Shelled) IMSBC Code cargo summary - Group C, bulk density 400 kg/m³, angle of repose ~32°.

• IMSBC - Peat Moss

  Peat Moss IMSBC Code cargo summary - Group B, bulk density 200 kg/m³. Self-heat.

• IMSBC - Peat Moss Dried

  Peat Moss Dried IMSBC Code cargo summary - Group B, bulk density 150 kg/m³, angle of repose ~30°.

• IMSBC - Perlite

  Perlite IMSBC Code cargo summary - Group C, bulk density 400 kg/m³. Not hazardous.

• IMSBC - Petcoke (Uncalcined)

  Petcoke (Uncalcined) IMSBC Code cargo summary - Group B, bulk density 850 kg/m³. Spontaneous heating.

• IMSBC - Phosphate (Defluorinated)

  Phosphate (Defluorinated) IMSBC Code cargo summary - Group C, bulk density 1300 kg/m³, angle of repose ~32°.

• IMSBC - Phosphate Rock

  Phosphate Rock IMSBC Code cargo summary - Group C, bulk density 1500 kg/m³. Dust.

• IMSBC - Pig Iron

  Pig Iron IMSBC Code cargo summary - Group C, bulk density 3900 kg/m³. Heavy.

• IMSBC - Potash (MOP)

  Potash (MOP) IMSBC Code cargo summary - Group C, bulk density 1100 kg/m³. Corrosive to steel.

• IMSBC - Potash Muriate

  Potash Muriate IMSBC Code cargo summary - Group C, bulk density 1100 kg/m³. Corrosive steel.

• IMSBC - Potassium Chloride

  Potassium Chloride IMSBC Code cargo summary - Group C, bulk density 1100 kg/m³, angle of repose ~32°.

• IMSBC - Potassium Sulphate

  Potassium Sulphate IMSBC Code cargo summary - Group C, bulk density 1300 kg/m³, angle of repose ~30°.

• IMSBC - Pulp (Paper)

  Pulp (Paper) IMSBC Code cargo summary - Group B, bulk density 400 kg/m³, angle of repose ~32°.

• IMSBC - Pulp Wood Chips

  Pulp Wood Chips IMSBC Code cargo summary - Group B, bulk density 350 kg/m³. Self-heat, CO.

• IMSBC - Pumice

  Pumice IMSBC Code cargo summary - Group C, bulk density 600 kg/m³. Not hazardous.

• IMSBC - Rapeseed Meal

  Rapeseed Meal IMSBC Code cargo summary - Group B, bulk density 650 kg/m³. Self-heat.

• IMSBC - Rapeseed Pellets

  Rapeseed Pellets IMSBC Code cargo summary - Group B, bulk density 700 kg/m³, angle of repose ~32°.

• IMSBC - Reduced Iron Briquettes

  Reduced Iron Briquettes IMSBC Code cargo summary - Group B, bulk density 2500 kg/m³, angle of repose ~30°.

• IMSBC - Rice (in bulk)

  Rice (in bulk) IMSBC Code cargo summary - Group C, bulk density 580 kg/m³. Shift.

• IMSBC - Rice Bran (B)

  Rice Bran (B) IMSBC Code cargo summary - Group B, bulk density 550 kg/m³, angle of repose ~30°.

• IMSBC - Rice Husks

  Rice Husks IMSBC Code cargo summary - Group B, bulk density 150 kg/m³. Dust explosion.

• IMSBC - Rock Phosphate Pebbles

  Rock Phosphate Pebbles IMSBC Code cargo summary - Group C, bulk density 1600 kg/m³, angle of repose ~32°.

• IMSBC - Rock Salt

  Rock Salt IMSBC Code cargo summary - Group C, bulk density 1200 kg/m³. Corrosive.

• IMSBC - Roofing Granules

  Roofing Granules IMSBC Code cargo summary - Group C, bulk density 1400 kg/m³, angle of repose ~32°.

• IMSBC - Rubber Scrap

  Rubber Scrap IMSBC Code cargo summary - Group B, bulk density 350 kg/m³. Self-heat.

• IMSBC - Rutile

  Rutile IMSBC Code cargo summary - Group A, bulk density 2800 kg/m³. Liquefaction.

• IMSBC - Salt

  Salt IMSBC Code cargo summary - Group C, bulk density 1200 kg/m³. Corrosive to steel.

• IMSBC - Salt Cake

  Salt Cake IMSBC Code cargo summary - Group C, bulk density 1200 kg/m³. Corrosive.

• IMSBC - Sand Washed

  Sand Washed IMSBC Code cargo summary - Group C, bulk density 1700 kg/m³, angle of repose ~30°.

• IMSBC - Sawdust

  Sawdust IMSBC Code cargo summary - Group B, bulk density 200 kg/m³. Self-heat.

• IMSBC - Sawdust (Dampened)

  Sawdust (Dampened) IMSBC Code cargo summary - Group B, bulk density 260 kg/m³, angle of repose ~30°.

• IMSBC - Scrap Aluminium Shredded

  Scrap Aluminium Shredded IMSBC Code cargo summary - Group B, bulk density 1200 kg/m³, angle of repose ~32°.

• IMSBC - Scrap Batteries

  Scrap Batteries IMSBC Code cargo summary - Group B, bulk density 1500 kg/m³. Fire; Class 9.

• IMSBC - Scrap Copper Fines

  Scrap Copper Fines IMSBC Code cargo summary - Group B, bulk density 2200 kg/m³, angle of repose ~32°.

• IMSBC - Scrap Metal

  Scrap Metal IMSBC Code cargo summary - Group C, bulk density 2000 kg/m³. Sharp edges; not hazardous.

• IMSBC - Seed Cake (non-hazardous)

  Seed Cake (non-hazardous) IMSBC Code cargo summary - Group C, bulk density 520 kg/m³, angle of repose ~32°.

• IMSBC - Seedcake Pellets (hazardous)

  Seedcake Pellets (hazardous) IMSBC Code cargo summary - Group B, bulk density 650 kg/m³, angle of repose ~32°.

• IMSBC - Serpentine

  Serpentine IMSBC Code cargo summary - Group C, bulk density 2700 kg/m³, angle of repose ~30°.

• IMSBC - Silica Fume

  Silica Fume IMSBC Code cargo summary - Group C, bulk density 400 kg/m³. Dust.

• IMSBC - Silica Sand

  Silica Sand IMSBC Code cargo summary - Group C, bulk density 1500 kg/m³. Dust.

• IMSBC - Silicomanganese Fines

  Silicomanganese Fines IMSBC Code cargo summary - Group C, bulk density 3500 kg/m³, angle of repose ~32°.

• IMSBC - Silicon Manganese

  Silicon Manganese IMSBC Code cargo summary - Group C, bulk density 3800 kg/m³, angle of repose ~32°.

• IMSBC - Silicon Ores

  Silicon Ores IMSBC Code cargo summary - Group C, bulk density 2400 kg/m³. Heavy.

• IMSBC - Silver Concentrate

  Silver Concentrate IMSBC Code cargo summary - Group A, bulk density 2800 kg/m³. Liquefaction.

• IMSBC - Slag

  Slag IMSBC Code cargo summary - Group C, bulk density 1400 kg/m³. Heats when wet.

• IMSBC - Soda Ash

  Soda Ash IMSBC Code cargo summary - Group C, bulk density 900 kg/m³. Corrosive to aluminium.

• IMSBC - Soda Ash (Dense)

  Soda Ash (Dense) IMSBC Code cargo summary - Group C, bulk density 1100 kg/m³, angle of repose ~32°.

• IMSBC - Sodium Nitrate

  Sodium Nitrate IMSBC Code cargo summary - Group B, bulk density 1300 kg/m³. Oxidiser class 5.1.

• IMSBC - Sodium Sulphate

  Sodium Sulphate IMSBC Code cargo summary - Group C, bulk density 1400 kg/m³. Not dangerous.

• IMSBC - Sodium Sulphide Anhydrous

  Sodium Sulphide Anhydrous IMSBC Code cargo summary - Group B, bulk density 1500 kg/m³, angle of repose ~30°.

• IMSBC - Soya Bean Meal Extracted

  Soya Bean Meal Extracted IMSBC Code cargo summary - Group B, bulk density 650 kg/m³. Self-heat.

• IMSBC - Soya Meal

  Soya Meal IMSBC Code cargo summary - Group B, bulk density 650 kg/m³. Self-heat.

• IMSBC - Soybean Mash

  Soybean Mash IMSBC Code cargo summary - Group B, bulk density 700 kg/m³, angle of repose ~32°.

• IMSBC - Sulphur (Granular)

  Sulphur (Granular) IMSBC Code cargo summary - Group B, bulk density 1300 kg/m³. Dust explosion.

• IMSBC - Sulphur Cake (Wet)

  Sulphur Cake (Wet) IMSBC Code cargo summary - Group C, bulk density 1300 kg/m³. Not hazardous if wet.

• IMSBC - Sulphur Lump

  Sulphur Lump IMSBC Code cargo summary - Group B, bulk density 1300 kg/m³. Dust.

• IMSBC - Sunflower Seed Meal

  Sunflower Seed Meal IMSBC Code cargo summary - Group B, bulk density 550 kg/m³. Self-heat.

• IMSBC - Sunflower Seed Pellets

  Sunflower Seed Pellets IMSBC Code cargo summary - Group B, bulk density 650 kg/m³, angle of repose ~32°.

• IMSBC - Sunflower Seeds

  Sunflower Seeds IMSBC Code cargo summary - Group B, bulk density 420 kg/m³, angle of repose ~32°.

• IMSBC - Superphosphate

  Superphosphate IMSBC Code cargo summary - Group C, bulk density 1200 kg/m³. Acidic.

• IMSBC - Talc

  Talc IMSBC Code cargo summary - Group C, bulk density 1000 kg/m³. Dust.

• IMSBC - Tapioca

  Tapioca IMSBC Code cargo summary - Group C, bulk density 650 kg/m³, angle of repose ~30°.

• IMSBC - Thorium Ore

  Thorium Ore IMSBC Code cargo summary - Group C, bulk density 3500 kg/m³, angle of repose ~32°.

• IMSBC - Timber

  Timber IMSBC Code cargo summary - Group C, bulk density 700 kg/m³, angle of repose ~30°.

• IMSBC - Tin Concentrate

  Tin Concentrate IMSBC Code cargo summary - Group A, bulk density 3200 kg/m³. Liquefaction, heavy.

• IMSBC - Tin Ore

  Tin Ore IMSBC Code cargo summary - Group A, bulk density 3200 kg/m³. Liquefaction.

• IMSBC - Titanium Sponge

  Titanium Sponge IMSBC Code cargo summary - Group B, bulk density 2200 kg/m³, angle of repose ~30°.

• IMSBC - Triple Superphosphate

  Triple Superphosphate IMSBC Code cargo summary - Group C, bulk density 1200 kg/m³. Acidic dust.

• IMSBC - Uranium Concentrate Yellowcake

  Uranium Concentrate Yellowcake IMSBC Code cargo summary - Group C, bulk density 2200 kg/m³, angle of repose ~32°.

• IMSBC - Uranium Tetrafluoride

  Uranium Tetrafluoride IMSBC Code cargo summary - Group B, bulk density 3000 kg/m³, angle of repose ~30°.

• IMSBC - Urea Ammonium Nitrate

  Urea Ammonium Nitrate IMSBC Code cargo summary - Group B, bulk density 1100 kg/m³. Oxidiser UN3375.

• IMSBC - Vanadium Slag

  Vanadium Slag IMSBC Code cargo summary - Group C, bulk density 2500 kg/m³, angle of repose ~30°.

• IMSBC - Vermiculite

  Vermiculite IMSBC Code cargo summary - Group C, bulk density 400 kg/m³. Not hazardous.

• IMSBC - Wood Chips

  Wood Chips IMSBC Code cargo summary - Group B, bulk density 350 kg/m³. Self-heat; CO.

• IMSBC - Wood Logs

  Wood Logs IMSBC Code cargo summary - Group C, bulk density 700 kg/m³. Shift risk.

• IMSBC - Wood Pellets

  Wood Pellets IMSBC Code cargo summary - Group B, bulk density 700 kg/m³. Self-heat; CO fatalities.

• IMSBC - Wood Pulp Pellets

  Wood Pulp Pellets IMSBC Code cargo summary - Group B, bulk density 700 kg/m³, angle of repose ~35°.

• IMSBC - Wood Shavings

  Wood Shavings IMSBC Code cargo summary - Group B, bulk density 200 kg/m³, angle of repose ~30°.

• IMSBC - Wood Strands

  Wood Strands IMSBC Code cargo summary - Group B, bulk density 200 kg/m³, angle of repose ~35°.

• IMSBC - Zinc Ash

  Zinc Ash IMSBC Code cargo summary - Group B, bulk density 1500 kg/m³, angle of repose ~32°.

• IMSBC - Zinc Calcine

  Zinc Calcine IMSBC Code cargo summary - Group B, bulk density 3000 kg/m³, angle of repose ~30°.

• IMSBC - Zinc Concentrate

  Zinc Concentrate IMSBC Code cargo summary - Group A, bulk density 2800 kg/m³. Liquefaction.

• IMSBC - Zinc Dross

  Zinc Dross IMSBC Code cargo summary - Group C, bulk density 2800 kg/m³, angle of repose ~30°.

• IMSBC - Zinc Skimmings

  Zinc Skimmings IMSBC Code cargo summary - Group B, bulk density 2400 kg/m³, angle of repose ~32°.

• IMSBC - Zircon

  Zircon IMSBC Code cargo summary - Group C, bulk density 2800 kg/m³. Heavy.

• IMSBC Angle of Repose

  Angle of repose test (ISO 3435 / IMSBC 9.1) for Group C cargoes - governs shifting behaviour in partially filled holds.

• IMSBC Group A - Liquefaction Risk

  Liquefaction risk check for a Group A cargo using TML (transportable moisture limit) vs current moisture content.

• IMSBC Group A/B/C Classification

  Classify a solid bulk cargo by its IMSBC Code hazard group - A (liquefaction), B (chemical hazard), C (low hazard).

• IMSBC TML Moisture Check

  Transportable Moisture Limit - maximum moisture at which a Group A cargo may be loaded. Measured vs FMP / TML.

• Inches Hg to Millibar

  Convert inHg to mbar using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Inches to Millimetres

  Convert in to mm using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Inclining Experiment - GM from Pendulum

  GM result from an inclining experiment - weight shift × arm / (displacement × tan θ). Mandatory verification for new-build / major modification per SOLAS II-1 Reg. 5.

• Incoterms 2020 - Risk Transfer Point

  Incoterms 2020 risk-transfer point by term - determines who insures the cargo during shipment.

• Indicated horsepower to kW

  Convert ihp to kW. Precise factor for marine engine engineering; sourced from NIST / ISO / MEPC reference tables.

• Indicated Mean Effective Pressure (IMEP)

  IMEP derived from indicator-card area - the fundamental input for cylinder-balance and performance-trend checks.

• Induction Motor - Starting Current Estimate

  Locked-rotor (inrush) current for a squirrel-cage induction motor - the basis for switchgear sizing and generator voltage-dip calculation.

• Induction Motor Slip

  Slip s = (Ns − N) / Ns - the fractional difference between synchronous and rotor speed. Directly proportional to rotor losses and torque.

• Inert Gas - O₂ ≤ 8 % Check

  Check oxygen concentration in inert gas output and cargo tank atmosphere per SOLAS II-2 Reg. 4: ≤ 5 % at IG deck seal output, ≤ 8 % in any tank, positive pressure maintained.

• Inert Gas Supply Capacity Check (SOLAS II-2 Reg 32)

  SOLAS requires IGS capacity ≥ 125 % of the maximum discharge rate of cargo pumps.

• Inert-Gas Plant - Required Capacity

  Inert-gas plant capacity required per SOLAS II-2 Reg. 4: 125 % of the maximum combined cargo-discharge rate for all tanks simultaneously.

• Initial Turning - IMO MSC.137(76)

  Initial-turning ability compliance: ship must achieve 10° heading change within 2.5 ship-lengths from rudder application.

• Injector - Fuel Injection Timing

  Check actual fuel-injection advance vs design - the indicator-diagram sanity check for 2-stroke or 4-stroke engines.

• Inland Waterway Vessel Fuel & CO₂

  Rhine / Danube / Mississippi / Yangtze barges and push-boats. Outside IMO CII (inland waterway exemption) but regulated nationally - CCNR Stage V in EU; EPA Tier 4 in US.

• Insulation Resistance - Meggering Check

  Compare meggered insulation resistance against IEC 60092-507 minimum - 1 MΩ for < 500 V systems, higher for HV.

• Iron Ore Fines - Moisture Check

  Iron Ore Fines moisture check - added to IMSBC 2013 after the Vale Beijing / Bulk Jupiter incidents. TML threshold for IOF specifically.

• IS Code - General Intact Criteria Check

  Pass/fail summary of the IS Code 2008 Part A §2.2 general intact-stability criteria: area under GZ to 30°, 40°, 30-40°, GZ at 30°, angle of max GZ, and initial GM.

• IS Code - Severe-Wind & Rolling Criterion

  Intact stability weather criterion (IS Code §2.3) - the dead-ship side-wind + roll assessment that governs many passenger and offshore vessels.

• ISM - DOC / SMC Audit Cycle

  Document of Compliance (DOC) / Safety Management Certificate (SMC) renewal and intermediate audit cycle.

• ISM - Internal Audit Interval

  ISM internal audit interval for each ship + office - at least annually per ISM Code Section 12.

• ISM - SMS Gap-Analysis Score

  Gap-analysis score for an ISM SMS against Chapter IX of SOLAS - quick screening before ISM external audit.

• ISO 10307-1 - Total sediment by hot filtration

  ISO 10307-1 test method - Total sediment by hot filtration. Common lab test used for marine fuel quality assessment.

• ISO 10307-2 - Potential total sediment after ageing

  ISO 10307-2 test method - Potential total sediment after ageing. Common lab test used for marine fuel quality assessment.

• ISO 10370 - Carbon residue - micro method

  ISO 10370 test method - Carbon residue - micro method. Common lab test used for marine fuel quality assessment.

• ISO 10816 Vibration Severity Zone

  Classify a measured RMS vibration velocity against ISO 10816-3 zones A/B/C/D for machinery condition.

• ISO 12156-1 - Lubricity - HFRR wear scar

  ISO 12156-1 test method - Lubricity - HFRR wear scar. Common lab test used for marine fuel quality assessment.

• ISO 12185 - Density by oscillating U-tube

  ISO 12185 test method - Density by oscillating U-tube. Common lab test used for marine fuel quality assessment.

• ISO 12937 - Water by Karl Fischer coulometric

  ISO 12937 test method - Water by Karl Fischer coulometric. Common lab test used for marine fuel quality assessment.

• ISO 14596 - Sulphur by WD-XRF

  ISO 14596 test method - Sulphur by WD-XRF. Common lab test used for marine fuel quality assessment.

• ISO 15013 - Heat-transfer fluid specification

  ISO 15013 test method - Heat-transfer fluid specification. Common lab test used for marine fluids quality assessment.

• ISO 19030 Performance Indicator

  Speed-loss percentage vs reference-period baseline - the ISO 19030 Part 2 hull-and-propeller performance metric.

• ISO 19458 - Water sampling for microbiology

  ISO 19458 test method - Water sampling for microbiology. Common lab test used for marine water quality assessment.

• ISO 3014 - Fuel stability reserve test

  ISO 3014 test method - Fuel stability reserve test. Common lab test used for marine fuel quality assessment.

• ISO 3104 - Kinematic viscosity

  ISO 3104 test method - Kinematic viscosity. Common lab test used for marine fuel quality assessment.

• ISO 3170 - Manual sampling

  ISO 3170 test method - Manual sampling. Common lab test used for marine fuel quality assessment.

• ISO 3171 - Automatic sampling

  ISO 3171 test method - Automatic sampling. Common lab test used for marine fuel quality assessment.

• ISO 3448 - ISO viscosity grades

  ISO 3448 test method - ISO viscosity grades. Common lab test used for marine lube quality assessment.

• ISO 3675 - Density by hydrometer

  ISO 3675 test method - Density by hydrometer. Common lab test used for marine fuel quality assessment.

• ISO 3733 - Water content - distillation method

  ISO 3733 test method - Water content - distillation method. Common lab test used for marine fuel quality assessment.

• ISO 4406 - Cleanliness - solid contamination code

  ISO 4406 test method - Cleanliness - solid contamination code. Common lab test used for marine lube quality assessment.

• ISO 8178 - Emission test cycles (E1/E2/E3/D2)

  ISO 8178 test method - Emission test cycles (E1/E2/E3/D2). Common lab test used for marine emissions quality assessment.

• ISO 8217 - DMA Parameter Check

  Check distillate marine fuel (DMA grade) parameters - kinematic viscosity, density, flash, pour, and sulphur against ISO 8217:2017 limits.

• ISO 8217 - Petroleum product specifications

  ISO 8217 test method - Petroleum product specifications. Common lab test used for marine fuel quality assessment.

• ISO VG ↔ SAE Viscosity Grade

  Approximate mapping between ISO VG grade numbers (viscosity at 40 °C) and SAE J300 engine-oil / gear-oil grades.

• ISPS - Port Facility Security Level

  Port-facility / ship security level (1-3) declaration per ISPS Code Part A - the baseline for security measures.

• Istanbul (Ambarli) (TR) - Port Card

  Istanbul (Ambarli), TR - annual throughput ~110,000 TEU, max draft 14 m. Bosphorus.

• ITTC 1957 - Friction Coefficient

  Flat-plate friction coefficient per ITTC 1957 formula - the basis for model-to-ship extrapolation of frictional resistance.

• ITTC-57 Friction Coefficient

  The agreed frictional-resistance coefficient in model-to-ship correlation.

• Jackup Rig Fuel & CO₂

  Self-elevating jackup MODUs. Outside CII scope; per-operating-day intensity is the North Sea / Gulf of Mexico benchmark.

• Jakarta (Tanjung Priok) (ID) - Port Card

  Jakarta (Tanjung Priok), ID - annual throughput ~80,000 TEU, max draft 14 m. Indonesia Java.

• Jeddah (SA) - Port Card

  Jeddah, SA - annual throughput ~120,000 TEU, max draft 16 m. Red Sea.

• JONSWAP Peak Frequency

  Peak angular frequency of the JONSWAP spectrum: ω_p = 22 (g²/(V·F))^(1/3).

• Joukowsky Surge Pressure

  Water-hammer pressure rise from instantaneous valve closure. Δp = ρ · c · Δv.

• Journal Bearing - Minimum Film Thickness

  Minimum oil-film thickness in a journal bearing - Sommerfeld-based approximation for safe operation.

• Jubail (SA) - Port Card

  Jubail, SA - annual throughput ~100,000 TEU, max draft 15 m. KSA industrial.

• Just-in-Time Arrival

  Fuel saving from converting anchor-wait time into slower steaming time.

• Just-In-Time Arrival - Economic Speed

  Speed and fuel savings from slowing down to match a pilot-boarding slot instead of steaming full-speed then waiting at anchor - per IMO MEPC.323(74) GreenVoyage / JIT initiative.

• Kaohsiung (TW) - Port Card

  Kaohsiung, TW - annual throughput ~190,000 TEU, max draft 16 m. Taiwan strait.

• Karachi (PK) - Port Card

  Karachi, PK - annual throughput ~80,000 TEU, max draft 12 m. Pakistan.

• Kawasaki Kawasaki MAN-B&W 6G35ME-C9 - MCR per Cylinder

  Kawasaki Kawasaki MAN-B&W 6G35ME-C9 engine card: 2300 kW per cylinder at 130 rpm, SFOC 175 g/kWh.

• Keller - Cavitation Criterion

  Minimum blade-area ratio A_E/A_0 to avoid cavitation per Keller formula - the screening calculation for propeller sizing given thrust and shaft depth.

• Kelvin to Celsius

  Convert K to °C using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Kelvin to Fahrenheit

  Convert K to °F. Precise factor for marine general engineering; sourced from NIST / ISO / MEPC reference tables.

• KG Limit - Intact (from GM-required)

  Maximum allowable KG (fluid) for an intact condition given KM at the draft and the required minimum GM.

• Khor Fakkan (AE) - Port Card

  Khor Fakkan, AE - annual throughput ~150,000 TEU, max draft 17 m. Outside Strait of Hormuz.

• Kilocalories to Kilojoules

  Convert kcal to kJ using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Kilograms to Pounds

  Convert kg to lb using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Kilometres to Nautical Miles

  Convert km to nm using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Kilonewtons to Kilogram-force

  Convert kN to kgf using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Kilowatt-hours to Megajoules

  Convert kWh to MJ using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Kilowatts to Horsepower (mech)

  Convert kW to hp using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Kilowatts to Metric Horsepower

  Convert kW to mhp using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Kinematic to Dynamic Viscosity

  Convert cSt to cP using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Kinematic viscosity units equivalence

  Convert mm²/s to cSt. Precise factor for marine fuel engineering; sourced from NIST / ISO / MEPC reference tables.

• km/h to Knots

  Convert km/h to kn using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Knots to km per day

  Convert knot to km/day. Precise factor for marine navigation engineering; sourced from NIST / ISO / MEPC reference tables.

• Knots to km/h

  Convert kn to km/h using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Knots to m/s

  Convert kn to m/s using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Kobe (JP) - Port Card

  Kobe, JP - annual throughput ~120,000 TEU, max draft 14 m. Container + auto.

• Kochi (IN) - Port Card

  Kochi, IN - annual throughput ~70,000 TEU, max draft 13 m. India south.

• kW to million BTU per hour

  Convert kW to MBTU/h. Precise factor for marine energy engineering; sourced from NIST / ISO / MEPC reference tables.

• L/s to m³/h

  Convert l/s to m³/h using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Lagos (Tin Can/Apapa) (NG) - Port Card

  Lagos (Tin Can/Apapa), NG - annual throughput ~80,000 TEU, max draft 13 m. Nigeria.

• Las Palmas (ES) - Port Card

  Las Palmas, ES - annual throughput ~90,000 TEU, max draft 14 m. Atlantic bunker.

• Latent Heat of Vaporisation

  Enthalpy of vaporisation h_fg at a given pressure - the heat required to turn 1 kg of saturated water into 1 kg of saturated steam.

• Latitude from Polaris

  Latitude from a Polaris altitude using the a₀ + a₁ + a₂ Nautical Almanac corrections.

• Laytime - NOR Tendering

  NOR (Notice of Readiness) valid tendering - ship must be at the agreed place, ready in all respects, within office hours.

• Laytime / Demurrage - Days & USD

  Laytime used vs allowed and demurrage payable from days-on-demurrage at the charter-party daily rate - the fundamental charter calculation.

• Laytime Used

  Laytime used = arrival to completion minus excepted periods. Compare against CP-allowed laytime to determine demurrage/despatch.

• LCV from ISO 8217 Analysis

  Estimate the lower calorific value of a marine fuel from a short assay (density, water, sulphur, ash) per ASTM D4868 / ISO 8217 Annex G. The IMO DCS fallback when direct bomb-calorimeter data is missing.

• League to nautical miles

  Convert league to nm. Precise factor for marine navigation engineering; sourced from NIST / ISO / MEPC reference tables.

• Leeway Angle

  Approximate leeway angle from the beam-wind component and ship speed, using the rule of thumb: leeway (°) = wind speed / ship speed × f.

• Length Converter

  Convert between metres, feet, nautical miles, statute miles, cables, fathoms, yards.

• Lifeboat - Falls Load Test

  Lifeboat-falls load-test compliance - 1.1 × lifeboat + full complement, performed at 5-yearly interval per LSA Code / MSC.402(96).

• Lifeboat Capacity - SOLAS LSA Check

  Check total lifeboat capacity against 125 % of the largest population to be carried per SOLAS III Reg. 21 / LSA Code - the standard lifeboat-coverage calculation.

• Lifeboat Capacity Verification (SOLAS III Reg 31)

  Check that lifeboat capacity meets the 100 %-each-side rule (cargo ships) - aggregate capacity must cover 100 % POB on each side independently.

• Lifeboat Fuel - 24 h Autonomy

  Lifeboat fuel-tank sizing for ≥ 24 h continuous autonomy per LSA Code 4.4.6 - includes 25 % safety margin.

• Lifeboat Release Hook - Upgrade

  Lifeboat on-load release-hook upgrade requirement per SOLAS III Reg. 20.11 - all ships must upgrade to compliant hooks by 2019.

• Lifebuoys - Distribution & Lights

  Lifebuoy count and light requirements per SOLAS III Reg. 32 - a function of vessel length.

• Lifejacket Count (SOLAS III Reg 7)

  Minimum number of lifejackets: 100 % POB + 5 % spares on passenger ships + 10 % child-size where children present.

• Liferaft - Servicing Interval

  Liferaft servicing interval per LSA Code Ch. 4 - 12 months annual service; 5-yearly deep service by approved station.

• Liferafts - Distribution Check

  Liferaft capacity vs persons on board per SOLAS III Reg. 31 - each side carries ≥ 50 % POB in inflatable / rigid rafts.

• List Angle from Transverse Weight Shift

  List angle in degrees resulting from a transverse weight shift on board - tan θ = w·d/(Δ·GM).

• List from Off-Centre Weight Addition

  Static list when a weight is added at a transverse offset from the centreline, after accounting for the new KG and displacement.

• List from Weight Shift

  Static heel when a weight is moved transversely.

• Litres to Cubic Feet

  Convert l to ft³ using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Livestock Carrier CII

  General-cargo reference under MEPC.337 applies. Ventilation + water-supply aux load makes this fleet CII-sensitive.

• Lloyd Seakeeping Criteria - Pass Check

  Lloyd 1989 seakeeping criteria pass / fail check - integrated operability assessment of roll, pitch and vertical acceleration.

• Lloyd's Register ECO Notation

  Descriptive notation using individual letter tags for environmental features.

• LNG - Boil-off Rate Calc

  LNG boil-off rate estimate from tank surface heat-gain and insulation U-value - screens BOG management design.

• LNG - Core Properties

  LNG reference fuel card - NCV, density, CO₂ factor for energy-budget and emission calculations.

• LNG - NCV / Density / Tankage

  LNG fuel: energy content, liquid density, and equivalent tank size compared to VLSFO - the tank-sizing step for DF conversions.

• LNG BOG Compressor - Shaft Power

  Adiabatic shaft-power estimate for a boil-off gas (BOG) compressor handling methane from atmospheric tank vapour to the DF-engine supply pressure.

• LNG BOG Reliquefaction - Duty

  BOG reliquefaction plant duty for an LNG carrier with steam-free electric propulsion - sized for continuous laden BOR.

• LNG Boil-Off Rate from Heat Ingress

  Daily BOR from tank surface, U-value and temperature drop - useful cross-check against trial-measured BOR.

• LNG Carrier CII

  LNGCs use a unique flat MEPC.337 reference line (a=9827, c=0) reflecting the narrow size range and homogenous trading patterns.

• LNG Density - Klosek-McKinley

  Liquid density of LNG at cargo-tank temperature using the Klosek-McKinley corresponding-states method - the custody-transfer default for LNG cargo measurement.

• LNG GCU - Required Capacity

  Minimum Gas Combustion Unit (GCU) heat-release rate required to burn 100 % of boil-off gas at laden-passage conditions with the DF engines unavailable.

• LNG Gross Calorific Value - ISO 6976

  Mass-based gross calorific value (HHV) of an LNG cargo from gas-chromatograph composition per ISO 6976:2016 - the reference method for invoice energy on LNG bills of lading.

• LNG Heel for Return Voyage

  Minimum LNG heel to keep cargo tanks cold during ballast leg, allowing next load without full cool-down.

• LNG m³ liquid to kg (approx)

  Convert m³ gas to kg LNG. Precise factor for marine gas engineering; sourced from NIST / ISO / MEPC reference tables.

• LNG m³ to MMBtu energy

  Convert m³ gas to MMBtu. Precise factor for marine gas engineering; sourced from NIST / ISO / MEPC reference tables.

• LNG Methane Slip - GWP20 / GWP100 GHG

  Methane-slip-corrected GHG footprint of an LNG DF engine using GWP_20 and GWP_100 factors - reveals the well-to-wake penalty of unburnt CH₄.

• LNG STS Bunkering - Transfer Time

  Ship-to-ship LNG bunker transfer time given bunker volume and max pump rate - basis for operational planning and WTW compliance analytics.

• LNG Tank - Displacement Purge Volume

  Nitrogen volume required for a displacement (layered, density-driven) purge - used to inert LNG cargo tanks before gassing-up, ~1.05× tank volume when well-controlled.

• LNG Tank - Secondary Barrier Requirement

  Secondary barrier carriage requirement per IGC Code Ch. 4 - driven by tank type + pressure.

• LNG Tank Cool-Down Time

  Approximate time to cool tank structure from ambient to −162 °C using LNG spray injection.

• LNG Tank Inerting - Dilution Purge Volume

  Nitrogen volume required to dilute an LNG cargo tank from initial O₂/HC concentration down to the target using a dilution (well-mixed) purge - the baseline method when displacement cannot be guaranteed.

• LNG Type C - MARVS Setpoint

  Typical MARVS setting for LNG Type C fuel tanks - usually 7–10 bar(g) balanced against insulation limit.

• LNG-Gulf-Asia - Sabine Pass → Tokyo Bay

  LNG-Gulf-Asia benchmark route for LNGC 174k: Sabine Pass → Tokyo Bay. Rate × distance → TCE.

• LNG-Gulf-NWE - Sabine Pass → Isle of Grain

  LNG-Gulf-NWE benchmark route for LNGC 174k: Sabine Pass → Isle of Grain. Rate × distance → TCE.

• LNG-Qatar-Asia - Ras Laffan → Incheon

  LNG-Qatar-Asia benchmark route for LNGC 174k: Ras Laffan → Incheon. Rate × distance → TCE.

• LO Filter - Differential-Pressure Alarm

  Lube-oil filter differential-pressure alarm and change-out threshold per OEM guidance - typically 0.8 bar alarm and 1.2 bar change-out for 2-stroke slow-speed engines.

• Load Line - Seasonal Marks Check

  Load-line seasonal mark (S, W, T, F, TF, WNA) applicable for the ship's voyage - a function of Load Line Zone and date.

• Local Time ↔ UTC Conversion

  Convert local time to UTC given zone description / longitude - the basis for navigational time-keeping and chronometer corrections.

• Log Mean Temperature Difference (LMTD)

  LMTD for counter-flow / parallel-flow heat exchangers. The design temperature difference that goes into Q = U·A·LMTD.

• Lomé (TG) - Port Card

  Lomé, TG - annual throughput ~60,000 TEU, max draft 15 m. West Africa hub.

• Long Beach (US) - Port Card

  Long Beach, US - annual throughput ~180,000 TEU, max draft 17 m. Next to LA.

• Long Tons to Metric

  Convert lt to t using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Los Angeles (US) - Port Card

  Los Angeles, US - annual throughput ~190,000 TEU, max draft 17 m. US West largest.

• Lower Stool - Required Thickness

  Required lower-stool top-plate thickness for a bulk-carrier corrugated bulkhead - a screening sizing formula after Erika / Derbyshire.

• LPG / Gas Carrier CII

  Two-size reference-line regime for LPG / ethylene / ammonia carriers.

• LPG Propane - Core Properties

  LPG Propane reference fuel card - NCV, density, CO₂ factor for energy-budget and emission calculations.

• LPG Reliquefaction COP

  Simplified reliquefaction plant COP - boil-off absorbed / electrical compressor power.

• LR - CAC (Cargo air)

  LR class notation CAC - Cargo air. Eligibility + survey-scope check.

• LR - CCS (Cargo control)

  LR class notation CCS - Cargo control. Eligibility + survey-scope check.

• LR - COW(LR1) (Crude oil washing)

  LR class notation COW(LR1) - Crude oil washing. Eligibility + survey-scope check.

• LR - Descriptive Note LNG (LNG DF)

  LR class notation Descriptive Note LNG - LNG DF. Eligibility + survey-scope check.

• LR - ENV (Enhanced environmental)

  LR class notation ENV - Enhanced environmental. Eligibility + survey-scope check.

• LR - IBT (Integrated bridge)

  LR class notation IBT - Integrated bridge. Eligibility + survey-scope check.

• LR - IGS (Inert gas)

  LR class notation IGS - Inert gas. Eligibility + survey-scope check.

• LR - IWS (In-water survey)

  LR class notation IWS - In-water survey. Eligibility + survey-scope check.

• LR - PCWBT (Coating ballast)

  LR class notation PCWBT - Coating ballast. Eligibility + survey-scope check.

• LR - SDA (Structural design)

  LR class notation SDA - Structural design. Eligibility + survey-scope check.

• LR - Smart (Smart ship)

  LR class notation Smart - Smart ship. Eligibility + survey-scope check.

• LR LNG-Ready Notation

  Lloyd's Register LNG-Ready 1-2-3 levels mirroring DNV's Gas Ready.

• LRIT - Reporting Interval

  LRIT reporting interval per SOLAS V Reg. 19-1 - 4 reports per day standard, 15-minute on request.

• Luanda (AO) - Port Card

  Luanda, AO - annual throughput ~40,000 TEU, max draft 14 m. Angola.

• Lube Oil TAN / Water - Condition Check

  Condition monitoring pass/fail for Total Acid Number (TAN) and water content against typical marine system-oil limits.

• Lube TBN - Depletion Rate

  Cylinder-oil TBN depletion rate based on fuel sulphur content and feed rate - the basis for selecting 40/70/100/140 BN grades.

• m/s to Knots

  Convert m/s to kn using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• m³/h to CFM

  Convert m³/h to ft³/min. Precise factor for marine hvac engineering; sourced from NIST / ISO / MEPC reference tables.

• m³/h to L/s

  Convert m³/h to l/s using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• m³/h to US gpm

  Convert m³/h to USgpm using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• MAN ES 8L58/64 - MCR per Cylinder

  MAN ES 8L58/64 engine card: 1870 kW per cylinder at 428 rpm, SFOC 182 g/kWh.

• MAN ES 9L58/64 - MCR per Cylinder

  MAN ES 9L58/64 engine card: 1870 kW per cylinder at 428 rpm, SFOC 182 g/kWh.

• MAN ES G45ME-C9.5 - MCR per Cylinder

  MAN ES G45ME-C9.5 baseline: 2250 kW per cylinder at 104 rpm, SFOC 165 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES G50ME-C9.5 - MCR per Cylinder

  MAN ES G50ME-C9.5 baseline: 2780 kW per cylinder at 100 rpm, SFOC 164 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES G60ME-C9.5 - MCR per Cylinder

  MAN ES G60ME-C9.5 baseline: 4170 kW per cylinder at 87 rpm, SFOC 163 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES G70ME-C10.5 - MCR per Cylinder

  MAN ES G70ME-C10.5 baseline: 5720 kW per cylinder at 76 rpm, SFOC 162 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES G80ME-C10.5 - MCR per Cylinder

  MAN ES G80ME-C10.5 baseline: 7760 kW per cylinder at 68 rpm, SFOC 161 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES G80ME-GI 9.7 - MCR per Cylinder

  MAN ES G80ME-GI 9.7 engine card: 7760 kW per cylinder at 68 rpm, SFOC 157 g/kWh.

• MAN ES G90ME-C10.5 - MCR per Cylinder

  MAN ES G90ME-C10.5 baseline: 10000 kW per cylinder at 73 rpm, SFOC 160 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES G95ME-C9.5 - MCR per Cylinder

  MAN ES G95ME-C9.5 baseline: 10900 kW per cylinder at 80 rpm, SFOC 160 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES L32/44CR - MCR per Cylinder

  MAN ES L32/44CR baseline: 580 kW per cylinder at 720 rpm, SFOC 183 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES L42DF - MCR per Cylinder

  MAN ES L42DF baseline: 1080 kW per cylinder at 514 rpm, SFOC 180 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES L48/60CR - MCR per Cylinder

  MAN ES L48/60CR baseline: 1260 kW per cylinder at 500 rpm, SFOC 182 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES L51/60DF - MCR per Cylinder

  MAN ES L51/60DF baseline: 1500 kW per cylinder at 500 rpm, SFOC 181 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES L58/64 - MCR per Cylinder

  MAN ES L58/64 baseline: 1870 kW per cylinder at 428 rpm, SFOC 182 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES S26MC - MCR per Cylinder

  MAN ES S26MC baseline: 850 kW per cylinder at 250 rpm, SFOC 174 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES S35MC7 - MCR per Cylinder

  MAN ES S35MC7 baseline: 1630 kW per cylinder at 167 rpm, SFOC 170 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES S40ME-B9.5 - MCR per Cylinder

  MAN ES S40ME-B9.5 baseline: 2000 kW per cylinder at 146 rpm, SFOC 165 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES S46ME-B8.5 - MCR per Cylinder

  MAN ES S46ME-B8.5 baseline: 2660 kW per cylinder at 129 rpm, SFOC 164 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES S50ME-B9.5 - MCR per Cylinder

  MAN ES S50ME-B9.5 baseline: 3195 kW per cylinder at 117 rpm, SFOC 163 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES S50ME-LGIA - MCR per Cylinder

  MAN ES S50ME-LGIA engine card: 3195 kW per cylinder at 117 rpm, SFOC 160 g/kWh.

• MAN ES S50ME-LGIP - MCR per Cylinder

  MAN ES S50ME-LGIP engine card: 3195 kW per cylinder at 117 rpm, SFOC 159 g/kWh.

• MAN ES S60ME-B8.5 - MCR per Cylinder

  MAN ES S60ME-B8.5 baseline: 4610 kW per cylinder at 97 rpm, SFOC 162 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES S60ME-GI - MCR per Cylinder

  MAN ES S60ME-GI engine card: 4610 kW per cylinder at 97 rpm, SFOC 159 g/kWh.

• MAN ES S60ME-LGIM - MCR per Cylinder

  MAN ES S60ME-LGIM engine card: 4610 kW per cylinder at 97 rpm, SFOC 160 g/kWh.

• MAN ES S65ME-C8.5 - MCR per Cylinder

  MAN ES S65ME-C8.5 baseline: 5230 kW per cylinder at 95 rpm, SFOC 162 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES S70ME-C8.5 - MCR per Cylinder

  MAN ES S70ME-C8.5 baseline: 5970 kW per cylinder at 91 rpm, SFOC 161 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES S70ME-GI - MCR per Cylinder

  MAN ES S70ME-GI engine card: 5970 kW per cylinder at 91 rpm, SFOC 158 g/kWh.

• MAN ES S80ME-C9.5 - MCR per Cylinder

  MAN ES S80ME-C9.5 baseline: 7690 kW per cylinder at 78 rpm, SFOC 160 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES S90ME-C10.5 - MCR per Cylinder

  MAN ES S90ME-C10.5 baseline: 9400 kW per cylinder at 72 rpm, SFOC 159 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES V48/60B - MCR per Cylinder

  MAN ES V48/60B baseline: 1260 kW per cylinder at 500 rpm, SFOC 182 g/kWh. Compute MCR + fuel for given cylinder count.

• MAN ES V51/60DF - MCR per Cylinder

  MAN ES V51/60DF baseline: 1500 kW per cylinder at 500 rpm, SFOC 181 g/kWh. Compute MCR + fuel for given cylinder count.

• Manila (PH) - Port Card

  Manila, PH - annual throughput ~70,000 TEU, max draft 13 m. Philippines.

• Marginal Abatement Cost

  Per-measure cost of CO₂ abatement in USD per tonne CO₂ avoided. The building block for a fleet-level MAC curve.

• MARPOL - Fuel Oil Sampling

  MARPOL representative fuel-oil sample retention per Annex VI Reg. 18 - bunker delivery note + sample 1 year onboard.

• MARPOL Annex I/12 - Tanks for oil residues

  MARPOL Annex I/12 - Tanks for oil residues. Scope and compliance baseline.

• MARPOL Annex I/12A - Fuel oil tank protection

  MARPOL Annex I/12A - Fuel oil tank protection. Scope and compliance baseline.

• MARPOL Annex I/14 - Oil filtering equipment

  MARPOL Annex I/14 - Oil filtering equipment. Scope and compliance baseline.

• MARPOL Annex I/15 - Control of discharge

  MARPOL Annex I/15 - Control of discharge. Scope and compliance baseline.

• MARPOL Annex I/17 - Oil record book Part I

  MARPOL Annex I/17 - Oil record book Part I. Scope and compliance baseline.

• MARPOL Annex I/18 - Segregated ballast oil tankers

  MARPOL Annex I/18 - Segregated ballast oil tankers. Scope and compliance baseline.

• MARPOL Annex I/19 - Double hull

  MARPOL Annex I/19 - Double hull. Scope and compliance baseline.

• MARPOL Annex I/20 - Condition assessment

  MARPOL Annex I/20 - Condition assessment. Scope and compliance baseline.

• MARPOL Annex I/22 - Pumping piping arrangements

  MARPOL Annex I/22 - Pumping piping arrangements. Scope and compliance baseline.

• MARPOL Annex I/23 - Accidental oil outflow

  MARPOL Annex I/23 - Accidental oil outflow. Scope and compliance baseline.

• MARPOL Annex I/27 - Intact stability

  MARPOL Annex I/27 - Intact stability. Scope and compliance baseline.

• MARPOL Annex I/28 - Subdivision damage stability

  MARPOL Annex I/28 - Subdivision damage stability. Scope and compliance baseline.

• MARPOL Annex I/29 - Slop tanks

  MARPOL Annex I/29 - Slop tanks. Scope and compliance baseline.

• MARPOL Annex I/30 - Pumping piping offshore

  MARPOL Annex I/30 - Pumping piping offshore. Scope and compliance baseline.

• MARPOL Annex I/33 - Crude oil washing

  MARPOL Annex I/33 - Crude oil washing. Scope and compliance baseline.

• MARPOL Annex I/34 - Control oil discharge at sea

  MARPOL Annex I/34 - Control oil discharge at sea. Scope and compliance baseline.

• MARPOL Annex I/36 - Oil Record Book Part II

  MARPOL Annex I/36 - Oil Record Book Part II. Scope and compliance baseline.

• MARPOL Annex I/37 - Shipboard Oil Pollution Emergency Plan

  MARPOL Annex I/37 - Shipboard Oil Pollution Emergency Plan. Scope and compliance baseline.

• MARPOL Annex I/38 - Reception facilities oil

  MARPOL Annex I/38 - Reception facilities oil. Scope and compliance baseline.

• MARPOL Annex I/4 - Oil discharge

  MARPOL Annex I/4 - Oil discharge. Scope and compliance baseline.

• MARPOL Annex II - NLS Discharge Compliance

  Noxious Liquid Substance discharge compliance check per MARPOL Annex II - distance from land, depth, en-route speed, and residue concentration.

• MARPOL Annex II Category X/Y/Z Assignment

  Classify a chemical cargo by MARPOL Annex II hazard category. Drives prewash, stripping and discharge-distance requirements.

• MARPOL Annex II/10 - International pollution prevention cert NLS

  MARPOL Annex II/10 - International pollution prevention cert NLS. Scope and compliance baseline.

• MARPOL Annex II/11 - Duration of certificate

  MARPOL Annex II/11 - Duration of certificate. Scope and compliance baseline.

• MARPOL Annex II/13 - Control of discharge residues

  MARPOL Annex II/13 - Control of discharge residues. Scope and compliance baseline.

• MARPOL Annex II/14 - Shipboard marine pollution plan NLS

  MARPOL Annex II/14 - Shipboard marine pollution plan NLS. Scope and compliance baseline.

• MARPOL Annex II/15 - P&A Manual

  MARPOL Annex II/15 - P&A Manual. Scope and compliance baseline.

• MARPOL Annex II/16 - Cargo Record Book

  MARPOL Annex II/16 - Cargo Record Book. Scope and compliance baseline.

• MARPOL Annex II/17 - Cargo segregation

  MARPOL Annex II/17 - Cargo segregation. Scope and compliance baseline.

• MARPOL Annex II/3 - Exceptions (NLS)

  MARPOL Annex II/3 - Exceptions (NLS). Scope and compliance baseline.

• MARPOL Annex II/5 - NLS discharge prohibition

  MARPOL Annex II/5 - NLS discharge prohibition. Scope and compliance baseline.

• MARPOL Annex II/6 - Exceptions NLS special area

  MARPOL Annex II/6 - Exceptions NLS special area. Scope and compliance baseline.

• MARPOL Annex II/7 - Reception facilities NLS

  MARPOL Annex II/7 - Reception facilities NLS. Scope and compliance baseline.

• MARPOL Annex II/8 - Measures control

  MARPOL Annex II/8 - Measures control. Scope and compliance baseline.

• MARPOL Annex II/9 - Survey certificates NLS

  MARPOL Annex II/9 - Survey certificates NLS. Scope and compliance baseline.

• MARPOL Annex III - Packaged Harmful Substances

  Packaged harmful-substances (marine pollutant) check per MARPOL Annex III - marking, stowage, documentation.

• MARPOL Annex III/3 - General packaged HS

  MARPOL Annex III/3 - General packaged HS. Scope and compliance baseline.

• MARPOL Annex III/4 - Marking and labelling

  MARPOL Annex III/4 - Marking and labelling. Scope and compliance baseline.

• MARPOL Annex III/5 - Documentation HS

  MARPOL Annex III/5 - Documentation HS. Scope and compliance baseline.

• MARPOL Annex III/6 - Stowage

  MARPOL Annex III/6 - Stowage. Scope and compliance baseline.

• MARPOL Annex III/7 - Quantity limitations HS

  MARPOL Annex III/7 - Quantity limitations HS. Scope and compliance baseline.

• MARPOL Annex III/8 - Exceptions HS

  MARPOL Annex III/8 - Exceptions HS. Scope and compliance baseline.

• MARPOL Annex III/9 - Port state control HS

  MARPOL Annex III/9 - Port state control HS. Scope and compliance baseline.

• MARPOL Annex IV Sewage Discharge

  Minimum distance from land and rate/speed limits for sewage discharge per MARPOL Annex IV.

• MARPOL Annex IV/11 - Discharge of sewage

  MARPOL Annex IV/11 - Discharge of sewage. Scope and compliance baseline.

• MARPOL Annex IV/12 - Reception facilities sewage

  MARPOL Annex IV/12 - Reception facilities sewage. Scope and compliance baseline.

• MARPOL Annex IV/12A - Passenger ships special areas

  MARPOL Annex IV/12A - Passenger ships special areas. Scope and compliance baseline.

• MARPOL Annex IV/3 - Exceptions (sewage)

  MARPOL Annex IV/3 - Exceptions (sewage). Scope and compliance baseline.

• MARPOL Annex IV/9 - Sewage system - options

  MARPOL Annex IV/9 - Sewage system - options. Scope and compliance baseline.

• MARPOL Annex V - Garbage Disposal Check

  Allowable garbage discharge verification - which categories may be disposed at sea given distance from land and special-area designation per MARPOL Annex V.

• MARPOL Annex V Garbage Discharge Distance

  Legal discharge distances from nearest land for various garbage categories per MARPOL Annex V (as amended).

• MARPOL Annex V/10 - Garbage Record Book

  MARPOL Annex V/10 - Garbage Record Book. Scope and compliance baseline.

• MARPOL Annex V/3 - Garbage disposal general

  MARPOL Annex V/3 - Garbage disposal general. Scope and compliance baseline.

• MARPOL Annex V/4 - Cargo residues garbage

  MARPOL Annex V/4 - Cargo residues garbage. Scope and compliance baseline.

• MARPOL Annex V/5 - Incineration

  MARPOL Annex V/5 - Incineration. Scope and compliance baseline.

• MARPOL Annex V/6 - Reception facilities garbage

  MARPOL Annex V/6 - Reception facilities garbage. Scope and compliance baseline.

• MARPOL Annex V/7 - Exceptions garbage

  MARPOL Annex V/7 - Exceptions garbage. Scope and compliance baseline.

• MARPOL Annex V/8 - Port state inspection garbage

  MARPOL Annex V/8 - Port state inspection garbage. Scope and compliance baseline.

• MARPOL Annex V/9 - Placards garbage management plan

  MARPOL Annex V/9 - Placards garbage management plan. Scope and compliance baseline.

• MARPOL Annex VI - CII Rating by Year

  Calculate attained CII and the A–E rating band for a given calendar year - the operational carbon-intensity check introduced 2023-01-01.

• MARPOL Annex VI - EEDI Required

  Required EEDI for new-build ship per MEPC.281(70) - the baseline the designer must meet vs reference line.

• MARPOL Annex VI - EEXI Required Index

  Required EEXI for a given ship type and DWT per MEPC.328(76) - the benchmark that every in-service ship (in-force 2023-01-01) must meet.

• MARPOL Annex VI - NOx Tier II Limit

  NOx emission limit for Tier II per MARPOL Annex VI Reg. 13 as a function of rated engine speed - the baseline cap for keel dates ≥ 2011-01-01.

• MARPOL Annex VI - NOx Tier III Limit

  NOx emission limit for Tier III (ECA) per MARPOL Annex VI Reg. 13 - keel dates ≥ 2016-01-01 operating in North American / US Caribbean / Baltic / North Sea ECAs.

• MARPOL Annex VI/10 - Port state control NOx

  MARPOL Annex VI/10 - Port state control NOx. Scope and compliance baseline.

• MARPOL Annex VI/12 - Ozone-depleting substances

  MARPOL Annex VI/12 - Ozone-depleting substances. Scope and compliance baseline.

• MARPOL Annex VI/13 - NOx emissions

  MARPOL Annex VI/13 - NOx emissions. Scope and compliance baseline.

• MARPOL Annex VI/14 - Sulphur emissions

  MARPOL Annex VI/14 - Sulphur emissions. Scope and compliance baseline.

• MARPOL Annex VI/15 - VOC emissions

  MARPOL Annex VI/15 - VOC emissions. Scope and compliance baseline.

• MARPOL Annex VI/16 - Shipboard incineration

  MARPOL Annex VI/16 - Shipboard incineration. Scope and compliance baseline.

• MARPOL Annex VI/18 - Fuel oil quality

  MARPOL Annex VI/18 - Fuel oil quality. Scope and compliance baseline.

• MARPOL Annex VI/21 - EEDI

  MARPOL Annex VI/21 - EEDI. Scope and compliance baseline.

• MARPOL Annex VI/22 - SEEMP

  MARPOL Annex VI/22 - SEEMP. Scope and compliance baseline.

• MARPOL Annex VI/22A - Data collection system

  MARPOL Annex VI/22A - Data collection system. Scope and compliance baseline.

• MARPOL Annex VI/23 - Transfer of efficiency tech

  MARPOL Annex VI/23 - Transfer of efficiency tech. Scope and compliance baseline.

• MARPOL Annex VI/25 - EEXI

  MARPOL Annex VI/25 - EEXI. Scope and compliance baseline.

• MARPOL Annex VI/26 - SEEMP revised

  MARPOL Annex VI/26 - SEEMP revised. Scope and compliance baseline.

• MARPOL Annex VI/27 - Data collection system

  MARPOL Annex VI/27 - Data collection system. Scope and compliance baseline.

• MARPOL Annex VI/28 - CII

  MARPOL Annex VI/28 - CII. Scope and compliance baseline.

• MARPOL Annex VI/5 - Survey and certification

  MARPOL Annex VI/5 - Survey and certification. Scope and compliance baseline.

• MARPOL Annex VI/6 - IAPP certificate

  MARPOL Annex VI/6 - IAPP certificate. Scope and compliance baseline.

• MARPOL Annex VI/7 - Duration of certificate

  MARPOL Annex VI/7 - Duration of certificate. Scope and compliance baseline.

• Marseille-Fos (FR) - Port Card

  Marseille-Fos, FR - annual throughput ~110,000 TEU, max draft 18 m. South France.

• MARVS Safety Margin (IGC 8.2)

  Maximum Allowable Relief Valve Setting check - tank operating pressure must not exceed MARVS.

• Mass Converter

  Convert between kilograms, tonnes, long tons (UK), short tons (US), pounds.

• MASS Time-to-Collision

  Time-to-collision between own ship and target based on relative-position vector. Used inside autonomous collision-avoidance algorithms.

• MCR - Micro Carbon Residue Assessment

  Micro Carbon Residue (MCR) classification for residual fuels per ISO 8217 RMG/RMK - predicts carbonaceous deposit tendency in cylinders and piston crowns.

• MDO DMB - Core Properties

  MDO DMB reference fuel card - NCV, density, CO₂ factor for energy-budget and emission calculations.

• Mean & True Mean Draft

  Simple mean, mean-of-means, and UNCTAD true mean at LCF.

• Mean Effective Pressure - PME vs BMEP

  Relationship between indicated (PMI) and brake (BMEP) mean effective pressure with mechanical efficiency - cross-checks indicator card against brake power test.

• Mean Piston Speed

  Cm = 2·s·N/60. Slow-speed engines 7–9 m/s; medium-speed 9–11 m/s; high-speed 12–16 m/s. Ring-reliability ceiling ≈ 10 m/s.

• Mechanical Efficiency (η_m)

  Ratio of brake to indicated power. A falling η_m at fixed IMEP is the earliest sign of rising friction (piston rings, bearings, seals).

• Mechanical HP to Kilowatts

  Convert hp to kW using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Megajoules to Kilowatt-hours

  Convert MJ to kWh using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Megapascals to Bar

  Convert MPa to bar using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Megawatt-hour to megajoule

  Convert MWh to MJ. Precise factor for marine energy engineering; sourced from NIST / ISO / MEPC reference tables.

• Melbourne (AU) - Port Card

  Melbourne, AU - annual throughput ~90,000 TEU, max draft 14 m. Victorian.

• MEPC.117 - Oil Outflow Parameter

  Accidental oil-outflow parameter per MEPC.117(52) - probabilistic measure of environmental performance of double-hull tanker design.

• MEPC.184(59) - EGCS wash-water discharge limits

  MEPC.184(59) test method - EGCS wash-water discharge limits. Common lab test used for marine water quality assessment.

• MEPC.259(68) - BWMS D-2 performance standard

  MEPC.259(68) test method - BWMS D-2 performance standard. Common lab test used for marine water quality assessment.

• MEPC.300(72) - BWMS type approval (G8)

  MEPC.300(72) test method - BWMS type approval (G8). Common lab test used for marine water quality assessment.

• Mercator Sailing

  Rhumb-line (constant-course) distance and true bearing between two positions using Mercator meridional parts.

• Mercator Sailing - Rhumb Course & Distance

  Mercator sailing solution - rhumb-line course and distance between two points using meridional parts, the canonical chart-work method.

• Meridional Parts

  Meridional parts at a given latitude - the core quantity behind Mercator sailing and chart construction.

• MES - Deployment Time

  Marine Evacuation System (MES) chute / platform deployment time - must deploy 100 % complement within 30 min per LSA Code Ch. VI.

• Metacentric Height (GM)

  Solid and fluid transverse metacentric height. IS Code requires fluid GM ≥ 0.15 m.

• Methane Slip → CO₂-equivalent

  Convert measured CH₄ slip (g/kWh) to CO₂-equivalent per GWP100 (AR5 = 28; AR6 = 29.8). Used in FuelEU / IMO LCA accounting.

• Methanol - Core Properties

  Methanol reference fuel card - NCV, density, CO₂ factor for energy-budget and emission calculations.

• Methanol - Net Calorific Value

  Methanol net calorific value and CO₂ factor - the basis for bunker-stem conversion from VLSFO to methanol.

• Metres to Fathoms

  Convert m to fath using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Metres to Feet

  Convert m to ft using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Metres to Inches

  Convert m to in using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Metric HP to Kilowatts

  Convert mhp to kW using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Metric to Long Tons

  Convert t to lt using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Metric to Short Tons

  Convert t to st using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Metric Tonnes to Kilograms

  Convert t to kg using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Mewis Duct - Fuel Savings Estimate

  Annual fuel savings from a Becker Mewis Duct - typically 4–8 % for full-form hulls (tankers, bulkers).

• MGO DMA - Core Properties

  MGO DMA reference fuel card - NCV, density, CO₂ factor for energy-budget and emission calculations.

• Mho to Siemens

  Convert mho to S. Precise factor for marine electrical engineering; sourced from NIST / ISO / MEPC reference tables.

• Miami (US) - Port Card

  Miami, US - annual throughput ~70,000 TEU, max draft 13 m. Cruise + cargo.

• Midship Section Modulus - Rule Minimum

  Rule-minimum midship section modulus from total bending moment (SWBM + WBM) and the allowable stress per IACS UR S11.

• MII - Motion-Induced Interruption

  Motion-Induced Interruption (MII) rate per minute at a work location - NORDFORSK criterion for work-ability in rough weather.

• Millibars to Hectopascals

  Convert mbar to hPa using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Million BTU per hour to kW

  Convert MBTU/h to kW. Precise factor for marine energy engineering; sourced from NIST / ISO / MEPC reference tables.

• Million BTU to GJ

  Convert MMBtu to GJ. Precise factor for marine energy engineering; sourced from NIST / ISO / MEPC reference tables.

• Milliroentgen to millisievert

  Convert mRem to mSv. Precise factor for marine radiation engineering; sourced from NIST / ISO / MEPC reference tables.

• Miner's Rule Cumulative Damage

  Cumulative fatigue damage D = Σ n_i / N_i. Failure predicted at D = 1.

• Minimum Propulsion Power

  Safety floor under MEPC.1/Circ.850/Rev.3. Level 1 (bulkers/tankers only) gives a simple linear formula:

• Mixed Cylinder Oil BN

  BN of a mix of two cylinder oils (e.g., BN 70 + BN 140 topping-up): mass-weighted log-linear approximation.

• MLC - Hours of Work (Alternative)

  Alternative MLC work-hours limit - 14 hours in 24 + 72 hours in 7 days (replacing rest-based calc).

• MLC 2006 - Cabin Floor Area

  MLC 2006 minimum cabin floor area requirement per seafarer - the baseline standard for new builds after 2013-08-20.

• MLC 2006 - Seafarer Wage Protection

  MLC 2006 Title 2 - seafarer wage payment requirements, records, monthly transfer to account.

• mmHg to Pascals

  Convert mmHg to Pa using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Model-Ship Correlation Allowance ΔC_F

  Hull-roughness correlation allowance ΔC_F per ITTC 1978 performance prediction - added to flat-plate C_F in ship extrapolation.

• Molar enthalpy — SI to Imperial

  Convert kJ/mol to kcal/mol. Precise factor for marine thermo engineering; sourced from NIST / ISO / MEPC reference tables.

• Mombasa (KE) - Port Card

  Mombasa, KE - annual throughput ~70,000 TEU, max draft 13 m. East Africa.

• Moment to Change Trim 1 cm

  Longitudinal-moment sensitivity of trim for a wall-sided ship.

• Mooring - Dynamic Amplification Factor

  Dynamic amplification factor (DAF) for mooring-line peak tension - required to scale static mean wind + current tension to the true peak.

• Mooring Line - Elongation under Load

  Mooring-line elongation at a given tension - elongation = tension·length/(EA). Used to verify combined static + dynamic response stays within MBL margin.

• Mooring Line - OCIMF Design Factor

  Mooring-line design load limit per OCIMF MEG4 - 55 % of MBL for steel wire, 50 % for synthetics in normal conditions, 60 % in storm.

• Mooring Line - Replacement Interval

  Mooring-line replacement interval - based on cycles + visible deterioration + time.

• Mooring Line Catenary Tension

  Horizontal tension component of a hanging catenary (wire or chain) from the weight, horizontal span and sag.

• Mooring Line Safety Factor

  Safety factor (MBL / working load) for a mooring line; OCIMF MEG4 requires SDMBL ≥ 125 % of expected peak load.

• Mooring Pattern - Line Utilisation

  Mooring-line maximum utilisation from standard wind + current, counted over each rope - used for pattern design per OCIMF MEG4.

• Motor Efficiency - vs Load

  Induction-motor efficiency curve - peaks ~75 % load; drops sharply below 30 %.

• Motor Starting Current

  Starting-current multiplier on full-load amps for DOL, star-delta, autotransformer, and soft-starter modes.

• Motor Synchronous Speed

  Ns = 120·f / P - fundamental relationship between line frequency, pole count and a synchronous/induction motor's magnetic-field speed.

• Motor Yacht Fuel & CO₂

  Private and commercial motor yachts. Not subject to IMO CII unless engaged in commerce ≥ 5,000 GT. Operators use CO₂ per charter-day for sustainability reporting.

• mph to Knots

  Convert mph to kn using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• MTBF & MTTR

  Mean Time Between Failures (MTBF) and Mean Time To Repair (MTTR) - two most-cited reliability metrics.

• MTU / Rolls-Royce MTU 16V 4000 M93L - MCR per Cylinder

  MTU / Rolls-Royce MTU 16V 4000 M93L engine card: 2720 kW per cylinder at 1800 rpm, SFOC 202 g/kWh.

• MTU / Rolls-Royce MTU 20V 4000 M73L - MCR per Cylinder

  MTU / Rolls-Royce MTU 20V 4000 M73L engine card: 3440 kW per cylinder at 1800 rpm, SFOC 202 g/kWh.

• MTU / Rolls-Royce MTU 20V 8000 M71R - MCR per Cylinder

  MTU / Rolls-Royce MTU 20V 8000 M71R engine card: 9100 kW per cylinder at 1150 rpm, SFOC 195 g/kWh.

• Multi-port reversible laytime

  Aggregate per-port laytime used across multiple calls under reversibility.

• Mumbai/Nhava Sheva (IN) - Port Card

  Mumbai/Nhava Sheva, IN - annual throughput ~110,000 TEU, max draft 14 m. India west.

• Mundra (IN) - Port Card

  Mundra, IN - annual throughput ~100,000 TEU, max draft 15 m. Gujarat.

• Murray's Method - Hogging SWBM

  Still-water bending moment in hogging using Murray's method - the old-school hand-calc for bulk-carrier and tanker midship SWBM.

• Muster Drill - Evacuation Time Estimate

  Approximate evacuation time to muster stations per IMO MSC.1/Circ.1533 - a function of POB, flow rate through doors, and walking distance.

• N₂O CO₂-Equivalent

  Nitrous-oxide emissions × GWP100 → CO₂-equivalent. Becomes material when burning ammonia (NH₃) fuel.

• N₂O Emissions
• Nairobi - Wreck Removal Insurance

  Nairobi Wreck Removal Convention 2007 - compulsory insurance covering costs of locating and removing a sunken wreck.

• Natural Roll Period - Rational Formula

  Natural rolling period from GM and ship beam - the Weiss formula used for synchronous rolling check and inclining verification.

• Nautical Miles to Kilometres

  Convert nm to km using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Nautical Miles to Statute Miles

  Convert nm to mi using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Naval Auxiliary Fuel & CO₂

  Replenishment oilers, fleet tankers, sealift ships. Exempt from IMO regulation (Article 3.3 of MARPOL) but most navies now track CO₂ per steaming day as an internal metric - NATO Green Defence Framework.

• Net Positive Suction Head Available (NPSHA)

  Available suction head at the pump inlet - must exceed NPSH required (from the pump curve) with a ≥ 0.5 m margin to avoid cavitation.

• New KG after Vertical Weight Shift

  KG change when an existing weight is moved vertically - e.g., lowering a lifeboat, moving cargo from under-deck to deck.

• New KG after Weight Addition

  Moment-method update of KG when a weight is loaded at a known height above keel.

• New KG after Weight Removal

  Moment-method update of KG when a weight is discharged - e.g., bunkers consumed, cargo discharged, ballast deballasted.

• New Orleans (US) - Port Card

  New Orleans, US - annual throughput ~90,000 TEU, max draft 14 m. Mississippi.

• New York / NJ (US) - Port Card

  New York / NJ, US - annual throughput ~150,000 TEU, max draft 15 m. US East hub.

• Newbuild CAPEX - Per DWT

  Newbuild capital cost benchmark per DWT or per TEU - order-of-magnitude capital planning.

• NH₃ Slip

  Ammonia is acutely toxic (IDLH 300 ppm). N₂O co-product handled separately.

• Nickel Ore - FMP Test Check

  Nickel ore flow moisture point test - the IMSBC test required pre-loading to confirm TML vs actual moisture.

• Niigata Niigata 6L28HX - MCR per Cylinder

  Niigata Niigata 6L28HX engine card: 1200 kW per cylinder at 720 rpm, SFOC 195 g/kWh.

• Ningbo-Zhoushan (CN) - Port Card

  Ningbo-Zhoushan, CN - annual throughput ~280,000 TEU, max draft 21 m. Largest by tonnage.

• Nomoto K - Turning-Rate Gain

  Nomoto first-order K index from turning-circle steady-state rate of turn - a compact ship-handling metric used in IMO zig-zag and turning tests.

• Nomoto K and T from Zig-zag

  First-order Nomoto response coefficients K (yaw-rate sensitivity) and T (yaw time constant) from zig-zag trial data. K/T characterises how responsive a ship is to rudder.

• Nomoto T - Turning Time Constant

  Nomoto first-order time constant T from the yaw-rate rise-to-steady time - measures how quickly the ship responds to rudder.

• Noon Sun - Latitude from Meridian Altitude

  Latitude at local apparent noon from observed meridian altitude of the sun and its declination - the classical LAN sight.

• NOR validity check

  Confirm whether a Notice of Readiness is valid under the four principal conditions.

• norway nox fund

  See live calculator aside for regulator URLs.

• NOx Tier Compliance Check

  MARPOL Annex VI Regulation 13 establishes a three-tier engine-certification regime for marine diesel engines, with the maximum permitted NOx emission rate set as a function of the engine's rated rotational speed n in rpm. The applicable tie

• NOₓ Tier I / II / III Limits

  Tier I (engines built 2000–2010):

• NTU–Effectiveness Method

  Effectiveness ε of a heat exchanger from NTU and capacity-rate ratio Cr, for counter-flow and parallel-flow.

• Oakland (US) - Port Card

  Oakland, US - annual throughput ~100,000 TEU, max draft 14 m. Bay.

• OCIMF Current Load - Transverse

  Transverse current force on hull per OCIMF MEG4 - the other half of the mooring environmental envelope after wind.

• OCIMF Wind Load - VLCC Approximation

  Longitudinal / transverse wind force on a VLCC using OCIMF wind-coefficient tables - the basis for mooring pattern and bollard pull selection.

• ODME - 30 L/nm Compliance Check

  Check ODME cargo discharge rate against the MARPOL Annex I Reg. 34 limits: ≤ 30 L oil content per nautical mile, ≤ 1/30 000 of total cargo, en route, > 50 nm from nearest land.

• ODME - NLS vs Oil Setting Check

  ODME operational-mode check - correct setting for oil (MARPOL I) vs noxious-liquid-substance (MARPOL II) cargoes.

• Off-Hire Deduction (NYPE)

  Hire deduction under NYPE clause 17 - charterer not to pay hire during off-hire period; any over-consumption bunkered during off-hire is deductible.

• Offshore - BOP shear ram activation

  BOP shear ram activation operation card: Emergency 9-12 kpsi close-out.

• Offshore - BOP test

  BOP test operation card: Blowout preventer weekly function + annual pressure test.

• Offshore - Bunker transfer - offshore

  Bunker transfer - offshore operation card: Shuttle + riser hose + metering.

• Offshore - Casing running

  Casing running operation card: Joint make-up + float equipment.

• Offshore - Cementing - primary

  Cementing - primary operation card: Casing cement from bottom up.

• Offshore - Cementing - squeeze

  Cementing - squeeze operation card: Remedial cement through perforations.

• Offshore - Crane operator permit

  Crane operator permit operation card: Load chart + wind limit.

• Offshore - Cyclone evacuation

  Cyclone evacuation operation card: Tropical cyclone pre-warning threshold.

• Offshore - DP watch level 1 - Green

  DP watch level 1 - Green operation card: No failure, full envelope.

• Offshore - DP watch level 2 - Yellow

  DP watch level 2 - Yellow operation card: Single fault, reduced envelope.

• Offshore - DP watch level 3 - Red

  DP watch level 3 - Red operation card: Loss of position - drive-off/drift.

• Offshore - Drill ahead

  Drill ahead operation card: Normal drilling at target ROP.

• Offshore - Fire drill - facility

  Fire drill - facility operation card: Monthly alarm test + action.

• Offshore - Flowline hydrate prevention

  Flowline hydrate prevention operation card: MEG / methanol injection.

• Offshore - Flowline wax prevention

  Flowline wax prevention operation card: Pigging + heating + inhibitor.

• Offshore - Gas lift

  Gas lift operation card: Injected gas for flow assurance.

• Offshore - Gas-release drill

  Gas-release drill operation card: H2S or HC detection + muster.

• Offshore - Helicopter operations

  Helicopter operations operation card: Helideck approach / refuel / shutdown.

• Offshore - Helideck clear-of-obstructions

  Helideck clear-of-obstructions operation card: CAP 437 monthly inspection.

• Offshore - Jacket installation

  Jacket installation operation card: Barge launch + upend + piles.

• Offshore - Kick detection

  Kick detection operation card: Pit level + flow-in vs flow-out.

• Offshore - Life raft - throw-overboard

  Life raft - throw-overboard operation card: Self-righting 25-40 pax.

• Offshore - Lifeboat - free-fall

  Lifeboat - free-fall operation card: Stern-mounted, 20 m drop.

• Offshore - Lifeboat - totally enclosed

  Lifeboat - totally enclosed operation card: 50-70 pax, free-fall or davit-launched.

• Offshore - Man-overboard drill

  Man-overboard drill operation card: Throw-rescue line + recovery.

• Offshore - Mud displacement

  Mud displacement operation card: Spacer + cement + mud.

• Offshore - Pipelay - J-lay

  Pipelay - J-lay operation card: Deep water, vertical tower.

• Offshore - Pipelay - reel-lay

  Pipelay - reel-lay operation card: Reel ship, pre-spooled pipe.

• Offshore - Pipelay - S-lay

  Pipelay - S-lay operation card: Shallow to moderate water.

• Offshore - Platform abandonment

  Platform abandonment operation card: Plug + abandon well + topside removal.

• Offshore - PTW - confined space

  PTW - confined space operation card: Rescue crew + monitoring.

• Offshore - PTW - diving

  PTW - diving operation card: Saturation or air, surface-supplied.

• Offshore - PTW - hot work

  PTW - hot work operation card: Permit-to-work, gas-free + stand-by.

• Offshore - PTW - working at height

  PTW - working at height operation card: Fall-arrest + tethered tools.

• Offshore - Riser disconnect - EDS

  Riser disconnect - EDS operation card: Emergency Disconnect Sequence in < 2 min.

• Offshore - Riser recoil

  Riser recoil operation card: Tensioner oscillation after disconnect.

• Offshore - Riser running

  Riser running operation card: RPE / Tensioner + joint make-up.

• Offshore - ROV inspection

  ROV inspection operation card: Remotely Operated Vehicle survey.

• Offshore - ROV valve operation

  ROV valve operation operation card: Subsea intervention.

• Offshore - Subsea tree installation

  Subsea tree installation operation card: Running tool + guideline jaws.

• Offshore - Subsea trenching

  Subsea trenching operation card: Jetting / cutter ROV.

• Offshore - Topside installation - float-over

  Topside installation - float-over operation card: Barge positioned + ballast.

• Offshore - Topside installation - lift

  Topside installation - lift operation card: Heavy-lift crane or SSCV.

• Offshore - Tripping in / out

  Tripping in / out operation card: Pipe movement in open hole.

• Offshore - Water injection

  Water injection operation card: Seawater for pressure maintenance.

• Offshore - Well control - hard shut-in

  Well control - hard shut-in operation card: Complete closure after kick.

• Offshore - Well control - soft shut-in

  Well control - soft shut-in operation card: Pressure monitoring before full closure.

• Offshore - Well logging - LWD

  Well logging - LWD operation card: Logging While Drilling - real-time.

• Offshore - Well logging - wireline

  Well logging - wireline operation card: Electric cable conveyed tools.

• Offshore Jacket - Fundamental Period

  Fundamental (sway) period of an offshore steel jacket from overall height and mass - determines wave-load dynamic amplification.

• Offshore Rig - Day Rate

  Offshore drilling / production rig day-rate benchmark - drillship vs semisubmersible vs jack-up.

• Offshore Topside - Centre of Gravity Check

  Topside VCG check against barge/jacket stability for float-over or lift installation - the critical transport constraint.

• Oil Mist Detector Trip (IACS UR M10)

  Crankcase oil-mist concentration trip at 2.5 mg/L per IACS UR M10 on engines ≥ 2250 kW or cylinder bore ≥ 300 mm.

• Oil Wear-Metal Alert Levels

  Flag ICP wear-metal concentrations against typical trending limits - a step change of >2× baseline is the classic CBM alert.

• Open-Deck Torsion - Containership

  Warping + St. Venant torsional stiffness for an open-deck containership - determines warping restraint at stool / bulkhead.

• Open-Top Container - Over-Height Lashing

  Additional lashing for over-height cargo in an open-top container - rule-of-thumb number of lashing ropes.

• Open-Water Efficiency η_O

  η_O = (J · KT) / (2π · KQ). Peak open-water efficiency of a typical merchant propeller 0.60–0.72.

• Open-Water KT - Wageningen B-Series

  Dimensionless thrust coefficient KT at a given advance coefficient J for a B4-40 Wageningen B-series propeller at P/D = 1.0 - simple regression lookup for preliminary design.

• Ore Carrier / VLOC CII

  MEPC.337 combination-carrier reference line.

• OSV (Offshore Supply Vessel) Fuel & CO₂

  OSVs sit outside the IMO CII regime (no transport-work denominator). Operators benchmark on daily or bollard-pull-hour intensity.

• OWS - 15 ppm Alarm Threshold Check

  Check whether the oil content of overboard discharge from the 15 ppm Oily Water Separator is compliant with MARPOL Annex I Reg. 14 - assumes bilge holding tank, OWS flow rate, and alarm settings.

• Ozone-Depleting Substances - Phase-Out Check

  Compliance check for ODS (CFC, HCFC, halon) on board per MARPOL Annex VI Reg. 12 - phased out installation after 2020.

• P&I - IG Mutual Premium Quote

  Approximate IG Club P&I premium based on GT, tonnage rate, and claims record - the mutual-cover quote structure.

• P&I Club - American Club

  American Club - International Group of P&I Clubs member. Pools claims 40 M USD+ with other IG clubs.

• P&I Club - Britannia

  Britannia - International Group of P&I Clubs member. Pools claims 40 M USD+ with other IG clubs.

• P&I Club - Gard

  Gard - International Group of P&I Clubs member. Pools claims 40 M USD+ with other IG clubs.

• P&I Club - Japan P&I Club

  Japan P&I Club - International Group of P&I Clubs member. Pools claims 40 M USD+ with other IG clubs.

• P&I Club - London Steamship

  London Steamship - International Group of P&I Clubs member. Pools claims 40 M USD+ with other IG clubs.

• P&I Club - North Standard

  North Standard - International Group of P&I Clubs member. Pools claims 40 M USD+ with other IG clubs.

• P&I Club - Shipowners Mutual

  Shipowners Mutual - International Group of P&I Clubs member. Pools claims 40 M USD+ with other IG clubs.

• P&I Club - Skuld

  Skuld - International Group of P&I Clubs member. Pools claims 40 M USD+ with other IG clubs.

• P&I Club - Steamship Mutual

  Steamship Mutual - International Group of P&I Clubs member. Pools claims 40 M USD+ with other IG clubs.

• P&I Club - Swedish Club

  Swedish Club - International Group of P&I Clubs member. Pools claims 40 M USD+ with other IG clubs.

• P&I Club - UK Club

  UK Club - International Group of P&I Clubs member. Pools claims 40 M USD+ with other IG clubs.

• P&I Club - West of England

  West of England - International Group of P&I Clubs member. Pools claims 40 M USD+ with other IG clubs.

• P1A_82 - Atlantic RV

  P1A_82 benchmark route for Panamax: Atlantic RV. Rate × distance → TCE.

• P2A_82 - Skaw-Gibraltar → Far East

  P2A_82 benchmark route for Panamax: Skaw-Gibraltar → Far East. Rate × distance → TCE.

• P3A_82 - Pacific RV

  P3A_82 benchmark route for Panamax: Pacific RV. Rate × distance → TCE.

• P4_82 - Far East → Continent

  P4_82 benchmark route for Panamax: Far East → Continent. Rate × distance → TCE.

• Panama (Balboa) (PA) - Port Card

  Panama (Balboa), PA - annual throughput ~120,000 TEU, max draft 18 m. Panama Pacific.

• Panama (Colon-MIT) (PA) - Port Card

  Panama (Colon-MIT), PA - annual throughput ~130,000 TEU, max draft 18 m. Panama Caribbean.

• Panama Canal - PC/UMS Toll

  Panama Canal toll using PC/UMS net tonnage and the ACP tariff schedule by segment (locks, TEU capacity for containerships, or DWT for dry-bulk / tankers).

• Parallel Indexing - Clearance Line

  Parallel indexing distance for radar clearance.

• Parallel Sailing - D.Long from Departure

  Parallel-sailing conversion: difference of longitude (D.Long) from departure and latitude - applies when course is east-west.

• Parametric Roll Susceptibility

  Screening criterion - parametric roll likely if wave length λ ≈ L_pp AND encounter period 2·T_φ (twice natural roll period).

• Paris Law Crack Growth

  Fatigue crack growth rate da/dN = C·(ΔK)^m. Integrates the life from initial to critical crack size.

• Paris MOU - Detention Probability

  Paris MOU detention probability given flag performance list + ship-risk-profile (SRP) scoring.

• Passage Plan - 4-Stage Coverage

  IMO 4-stage passage plan: appraise, plan, execute, monitor.

• Passenger Crowding - Heeling Moment

  Heeling moment from passenger crowding to one side per IS Code §3.1.2 - 75 kg per person at 80 % of the effective beam.

• Passenger Ferry CII

  Short-sea passenger ferries share the Ro-Pax reference line under IMO CII.

• Passenger Muster - Briefing Time

  Passenger muster drill timing per SOLAS III Reg. 19.2.3 - before departure or within 24 h after embarkation on voyage > 24 h.

• Passenger Ship - Lifejacket Count

  Passenger-ship lifejacket count per SOLAS III Reg. 7.2 - 100 % POB + 5 % at muster stations + 10 % infant + watchkeeper personal.

• PBCF - Propeller Boss Cap Fin Savings

  Estimated fuel saving from a Propeller Boss Cap Fin (PBCF) - 3–5 % through hub-vortex elimination, scales with propeller load.

• Per-Unit Synchronous Reactance (Xd)

  Convert the generator's ohmic synchronous reactance into a per-unit value using MVA, kV base.

• Petroff's Law Friction

  Viscous friction torque on a concentric journal bearing: T = 4π²·η·N·R³·L / c (R, c in consistent units).

• Petroleum flow — barrels per day to m³/h

  Convert bbl/day to m³/h. Precise factor for marine cargo engineering; sourced from NIST / ISO / MEPC reference tables.

• PID - Ziegler-Nichols Ultimate Tuning

  Classical Ziegler-Nichols PID gains from ultimate gain K_u and ultimate period T_u - an on-line tuning recipe for level, pressure and flow loops.

• Pierson-Moskowitz - Peak Frequency

  Peak frequency ω_p of the Pierson-Moskowitz fully-developed spectrum - used as input for strip-theory motion analysis.

• Pierson-Moskowitz - Peak Period vs Wind

  Peak spectral period T_p of the Pierson-Moskowitz fully-developed sea given 19.5 m wind speed - the fundamental fully-developed-sea relationship.

• Pierson-Moskowitz Spectrum Value

  One-point PM spectrum S(ω) = α·g²/ω⁵ · exp(−β·(ω_p/ω)⁴). Used for fully-developed seas.

• Pilot Boarding - Wake Risk

  Wake-wash risk during pilot boarding - ship speed-height-above-water threshold before ladder unsafe.

• Pilot Boat Wake - Height & Angle

  Wake-height estimate of a pilot boat at boarding speed - used to select safe boarding sea state.

• Pilot Ladder - Angle & Deployment Height

  Pilot-ladder deployment angle and height-above-water check per SOLAS V Reg. 23 - safe access for embarking pilots.

• Pilot Ladder Rigging Height

  Check pilot-ladder rigging height against SOLAS V Reg 23 - ladder length when freeboard exceeds 9 m requires combination with accommodation ladder.

• Pilot Transfer - Risk

  Pilot Transfer - Risk - concept summary and example calculation.

• Pipe Friction - Coarse Estimate

  Quick estimate of friction head loss per 100 m of straight pipe for a given flow and diameter - coarse engineering first-pass before Darcy-Weisbach refinement.

• Pipe Friction - Darcy-Weisbach

  Pipe head-loss from Darcy-Weisbach equation - the fundamental pipe-friction calculation for any fluid system.

• Pipe Reynolds Number

  Re = ρ·V·D/μ for an internal pipe flow. Determines whether the flow is laminar (< 2300), transitional, or turbulent (> 4000).

• Pipe Wall Thickness (ASME B31.1)

  Minimum pipe wall thickness from ASME B31.1: t = P·D / (2·(SE + PY)) + c, with corrosion allowance c.

• Piracy - BMP5 Transit Speed

  BMP5 recommended transit speed in a High-Risk Area (HRA) - 18 kn minimum, higher freeboard preferred.

• Piracy - Gulf of Guinea Precautions

  Gulf of Guinea transit precautions per BMP West Africa 2020 - kidnap-for-ransom risk, different from Indian Ocean pattern.

• Piraeus (GR) - Port Card

  Piraeus, GR - annual throughput ~120,000 TEU, max draft 18 m. East Med.

• Piston Ring Gap - Installation Check

  Piston-ring end gap at installation and worn - typical 0.1–0.2 % of bore new, scrap at 0.5 %.

• Pitch RAO - Linear Approximation

  Linear pitch RAO at a given frequency using SDOF damped oscillator approximation - preliminary pitch-motion estimate for seakeeping analysis.

• Pivot Point Location

  Approximate pivot point location forward of amidships as a function of propeller thrust direction. Ahead motion: pivot ~ 1/4 L forward of amidships; astern: ~ 1/4 L aft.

• Pivot Point Location - Ship Handling

  Pivot point location along the ship when making headway / stern way - the instantaneous point of zero transverse velocity that governs tug-handling.

• Plane Sailing - D.Lat & Departure

  Plane-sailing solution: difference of latitude (D.Lat) and departure from course and distance, valid for short distances (≤ 300 nm).

• Plate Buckling - Elastic Critical Stress

  Elastic critical buckling stress of a plate panel under uniaxial compression per class formula - screens for instability of shell/deck panels.

• Plate Joint - Fatigue Life (Miner)

  Fatigue life of a welded detail using Miner's rule over a single stress range and SN curve - classical hull-detail fatigue calculation.

• Plate Thickness - Lateral Load

  Required plate thickness under lateral pressure per classical rule formula - t = C·s·√(p/σ_allow) where s is the span (shorter side).

• PM - Particulate Matter

  ~90–95 % of marine PM is PM2.5.

• PMS Completion Rate

  Planned Maintenance System completion rate - the ratio of jobs completed on time vs jobs scheduled over the period. Class minimum typically 85 %.

• Pointe-Noire (CG) - Port Card

  Pointe-Noire, CG - annual throughput ~40,000 TEU, max draft 15 m. Congo.

• Polar - Thermal Protective Aid

  Polar Code thermal-protective aid (TPA) requirement - mandatory for lifeboat occupants + each person on survival craft.

• Polar Class - Ice Pressure Distribution

  Design ice pressure on hull plating per IACS Polar Class UR I - bow / mid-body / stern regional pressure factors.

• Polar Class - Selection Guide

  Polar Class recommendation from route, season, and ice-concentration profile - PC1 to PC7 selector for project feasibility.

• Polar Class Ice-Belt Plate Thickness

  Approximate ice-belt plate thickness per IACS UR I2 - scaled from ice design pressure.

• Polar Code - Minimum Manning & Advanced Training

  Minimum bridge-watchkeeper certification per IMO Polar Code / STCW Ch. V/4 given the ship category (A/B/C) and operating ice concentration.

• Polar Code - Safe Speed in Ice

  Recommended safe speed in ice per POLARIS / IMO MSC.1/Circ.1519 - speed reduced from open-water speed as RIO score approaches zero.

• Polar Code Survival Kit Duration

  Required survival-kit duration per SOLAS XIV / Polar Code: 5 days (Polar Class A/B, max expected rescue time + 50 %).

• Polar Comms - Iridium Backup

  Polar Code Chapter 10 communications - Iridium (GMDSS A4) mandatory for Polar Code voyages beyond INMARSAT coverage.

• Polar Op - Ice class - heavy ice

  Ice class - heavy ice operation card: PC4 / IA / IA Super.

• Polar Op - Ice class - light ice

  Ice class - light ice operation card: PC6 / Finnish-Swedish IC.

• Polar Op - Ice class - medium ice

  Ice class - medium ice operation card: PC5 / IB / IC Super.

• Polar Op - Ice class - open water

  Ice class - open water operation card: No ice strengthening (PC7+).

• Polar Op - Ice class - polar

  Ice class - polar operation card: PC1-3 year-round Arctic / Antarctic.

• Polar Op - Ice reconnaissance - AARI

  Ice reconnaissance - AARI operation card: Arctic and Antarctic Research Institute chart.

• Polar Op - Ice reconnaissance - Canadian Ice Service

  Ice reconnaissance - Canadian Ice Service operation card: CIS egg-code ice chart.

• Polar Op - Ice reconnaissance - helicopter

  Ice reconnaissance - helicopter operation card: On-board helo for close-in scouting.

• Polar Op - Ice reconnaissance - satellite

  Ice reconnaissance - satellite operation card: SAR + optical multi-temporal.

• Polar Op - Ice-independent operation

  Ice-independent operation operation card: Self-capable PC4+ without escort.

• Polar Op - Ice-safe speed

  Ice-safe speed operation card: Per POLARIS RIO.

• Polar Op - Icebreaker escort

  Icebreaker escort operation card: Convoy through close-pack ice.

• Polar Op - Polar ballast water

  Polar ballast water operation card: Swap offshore or segregated tanks only.

• Polar Op - Polar beset / jamming

  Polar beset / jamming operation card: Ship stopped in ice - wait for shift.

• Polar Op - Polar close-pack ice transit

  Polar close-pack ice transit operation card: 7+ tenths, heavy icebreaker.

• Polar Op - Polar cold-weather suit

  Polar cold-weather suit operation card: -30 °C rated with thermal lining.

• Polar Op - Polar communications - HF DSC

  Polar communications - HF DSC operation card: Back-up for VHF / satellite.

• Polar Op - Polar communications - INMARSAT A3

  Polar communications - INMARSAT A3 operation card: < 70° lat.

• Polar Op - Polar communications - Iridium A4

  Polar communications - Iridium A4 operation card: Polar regions > 70°.

• Polar Op - Polar drift ice transit

  Polar drift ice transit operation card: Under 3 tenths ice, low-power.

• Polar Op - Polar engineering - BWMS anti-freeze

  Polar engineering - BWMS anti-freeze operation card: Heated storage for biocides.

• Polar Op - Polar engineering - deck drainage

  Polar engineering - deck drainage operation card: Prevents surface ice accumulation.

• Polar Op - Polar engineering - winterisation

  Polar engineering - winterisation operation card: Anti-icing + heat tracing + drainage.

• Polar Op - Polar escort + convoy

  Polar escort + convoy operation card: Icebreaker-led convoy - follow-the-leader.

• Polar Op - Polar fast ice

  Polar fast ice operation card: Attached to shore, fractured by tide.

• Polar Op - Polar first-year ice (FY)

  Polar first-year ice (FY) operation card: Current-season ice - lower strength.

• Polar Op - Polar garbage

  Polar garbage operation card: Shore reception only in Antarctic.

• Polar Op - Polar glacial ice

  Polar glacial ice operation card: Hardened ice - slow speed mandatory.

• Polar Op - Polar icebreaking transit

  Polar icebreaking transit operation card: Ahead + astern ramming.

• Polar Op - Polar lead sailing

  Polar lead sailing operation card: Ice channel navigation.

• Polar Op - Polar multi-year ice (MY)

  Polar multi-year ice (MY) operation card: Old ice - thick + strong.

• Polar Op - Polar navigation - celestial

  Polar navigation - celestial operation card: Back-up for GNSS loss.

• Polar Op - Polar navigation - compass

  Polar navigation - compass operation card: Gyro unreliable > 80° lat.

• Polar Op - Polar navigation - GNSS

  Polar navigation - GNSS operation card: Multi-constellation, augmented.

• Polar Op - Polar navigation - radar

  Polar navigation - radar operation card: Primary in poor visibility.

• Polar Op - Polar new ice (NI)

  Polar new ice (NI) operation card: Nilas + grey ice - easily penetrated.

• Polar Op - Polar oil spill response

  Polar oil spill response operation card: Booms useless < 0 °C - burn or disperse.

• Polar Op - Polar pack ice

  Polar pack ice operation card: Drifting ice - vessel must keep steerage.

• Polar Op - Polar survival equipment

  Polar survival equipment operation card: Immersion suits, TPAs, extra rations.

• Polar Op - Polar wastewater

  Polar wastewater operation card: Hold tank voyage, shore discharge.

• Polar Survival Craft - Required Duration

  Minimum survival craft duration in polar waters per IMO Polar Code Part I-A Ch. 8 - 5 days plus time to anticipated rescue, with personal and group survival equipment stocked accordingly.

• Polar Voyage - Fuel Margin

  Polar voyage bunker planning - Polar Code Part I-A Ch. 3 requires sufficient fuel for maximum anticipated time to rescue + 50 % margin.

• POLARIS - Risk Index Outcome (RIO)

  POLARIS Risk Index Outcome (RIO) for up to five ice-concentration bands per MSC.1/Circ.1519 - rapid operational check.

• Polaris Correction - Latitude Sight

  Simplified Polaris sight reduction for northern-hemisphere latitude.

• POLARIS Risk Index Outcome (RIO)

  Risk Index Outcome = sum over ice-type fractions × (ice-type-specific Risk Index Value). Per IMO MSC.1/Circ.1519.

• Polarisation Index (IR / PI)

  Polarisation Index = R₁₀min / R₁min from a megger test. IEEE 43 minimum acceptable PI ≥ 2.0 for most machines.

• Port Disbursement Account - Estimate

  Estimate the total Port Disbursement Account (DA) by summing the standard line items - port dues, pilotage, tugs, mooring, agency fee, launch, customs and sundries.

• Port Entry - BRM Checklist

  Port Entry - BRM Checklist - concept summary and example calculation.

• Port Fee Rebate

  ESI-linked port-fee rebate at participating ports.

• Port Hedland (AU) - Port Card

  Port Hedland, AU - annual throughput ~60,000 TEU, max draft 19 m. Iron ore largest.

• Port Klang (MY) - Port Card

  Port Klang, MY - annual throughput ~120,000 TEU, max draft 15 m. Malaysia west.

• Port Said (East) (EG) - Port Card

  Port Said (East), EG - annual throughput ~180,000 TEU, max draft 19 m. Suez Mediterranean.

• Port Stay Fuel & CO₂

  Fuel and CO₂ for a port call - aux hotel load, boiler duty, cargo-pump load.

• Port Turnaround - Productivity Check

  Port turnaround time (arrival-to-departure) benchmark - function of cargo type and terminal productivity.

• Portable Extinguisher Count (FSS Code Ch.4)

  Minimum portable extinguishers per accommodation, control-station and cargo area per FSS Code Ch.4 / SOLAS II-2 Reg 10.3.

• Poseidon Principles - Portfolio Climate Alignment

  Poseidon Principles portfolio-alignment score for maritime loan portfolio - measures borrower fleet trajectory vs IMO path.

• Poseidon Principles Climate Alignment

  Percentage deviation of a ship's AER from the Poseidon Principles decarbonisation trajectory.

• Potable Water - MLC Minimum

  MLC 2006 minimum potable water per seafarer per day - baseline 70 L; comfortable 150–200 L.

• Pound-force to Kilonewtons

  Convert lbf to kN using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Pounds to Kilograms

  Convert lb to kg using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Power Converter

  Convert between kilowatts, metric horsepower (PS), imperial horsepower (hp), tons of refrigeration (TR).

• Power Triangle - kVA / kW / kVAR

  Relate apparent (kVA), real (kW) and reactive (kVAR) power via the cos φ power factor.

• Power-Factor Correction - Capacitor kVAR

  Capacitor kVAR required to raise a load's power factor from pf₁ to a target pf₂.

• ppmv to mg/Nm³ conversion for SO₂

  Convert ppmv to mg/Nm³ (SO₂). Precise factor for marine emissions engineering; sourced from NIST / ISO / MEPC reference tables.

• ppmv to mg/Nm³ for NOx (as NO₂)

  Convert ppmv to mg/Nm³ (NOx as NO₂). Precise factor for marine emissions engineering; sourced from NIST / ISO / MEPC reference tables.

• Pre-Swirl Stator - Energy Saving

  Fuel-saving estimate from a pre-swirl stator (asymmetric guide vanes ahead of propeller) - 3–6 % typical on full-form hulls.

• Pressure Converter

  Convert between bar, kPa, MPa, psi, mmHg, inHg, kgf/cm², atm.

• Pressure-time integral — bar·s to Pa·s

  Convert bar·s to Pa·s. Precise factor for marine thermo engineering; sourced from NIST / ISO / MEPC reference tables.

• Prewash Requirement Check (Annex II Reg 13)

  Decision support for whether a prewash is required after discharging a Category X/Y cargo.

• Prismatic Coefficient (Cp)

  Longitudinal fullness - Cp = Cb / Cm. A finer stern/bow has lower Cp; a parallel mid-body ship has higher Cp.

• Product / Chemical Tanker CII

  Shares the MEPC.337 tanker reference line with crude tankers - CII regime treats all tankers as one type.

• Production Riser - Top Tension

  Top-tension requirement for a production riser given wet weight, internal content weight and safety margin - OSV / FPSO design input.

• Propeller - Advance Coefficient J

  Propeller advance coefficient J = V_A / (n·D) - the dimensionless speed on open-water characteristics.

• Propeller - Optimal Pitch-Diameter

  Optimal pitch-diameter ratio maximising open-water efficiency for a given advance coefficient - the basic diameter / pitch trade-off.

• Propeller Advance Ratio J

  Dimensionless speed ratio J = V_A / (n·D) - the horizontal axis of every propeller open-water chart.

• Propeller Cavitation Number - Inception

  Cavitation number σ_n at a given depth and rpm compared to the empirical inception threshold - the first check before Burrill / Keller chart assessment.

• Propeller Thrust Coefficient KT

  Non-dimensional thrust KT = T / (ρ·n²·D⁴). The vertical-axis quantity read from open-water propeller charts.

• Propeller Torque Coefficient KQ

  Non-dimensional torque KQ = Q / (ρ·n²·D⁵). Open-water charts typically tabulate 10·KQ to keep KQ and KT on the same chart scale.

• Protection - Selectivity Check

  Protection selectivity check - downstream breaker must trip before upstream for faults on its branch.

• PSC - Targeting Factor

  Paris MOU targeting factor combining flag, RO, age, ship-type and company performance - drives inspection priority.

• psi to Bar

  Convert psi to bar using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• PSPC NDFT 90/10 Check

  Performance Standard for Protective Coatings - 90 % of DFT readings ≥ nominal, and no reading < 0.9 × nominal.

• PSV - Deck Area & DWT

  PSV deck area and deadweight planning - cargo mud, cement, base oil, drill water based on deck area.

• Psychrometrics - RH from Dew Point

  Relative humidity from dry-bulb and dew-point temperatures using the Tetens saturation-pressure formula.

• Pull-Down Time (Cold Room)

  Time to cool a loaded cold room from ambient to set-point, given refrigeration plant duty and thermal load.

• Pump - Affinity Law

  Centrifugal-pump performance scaling when impeller speed or diameter changes - Q ∝ n, H ∝ n², P ∝ n³.

• Pump - NPSH Available (NPSHa)

  Net Positive Suction Head Available (NPSHa) at pump inlet - must exceed NPSHr to avoid cavitation. Classical hydraulics check for cargo / ballast pumps.

• Pump - NPSH Required (NPSHr)

  Pump NPSH required estimation from impeller geometry and operating point - the value that NPSHa must exceed for reliable operation.

• Pump Affinity Law - Flow & Head

  Flow ∝ N; Head ∝ N²; Power ∝ N³ for a given pump with speed change (or geometrically similar impeller-diameter change).

• Pump Hydraulic Power

  P_hyd = ρ·g·Q·H - useful power transferred to the fluid. Brake power = P_hyd / η_pump.

• Pump Priming Time

  Time for a self-priming centrifugal pump to evacuate the suction line to a specified vacuum.

• Pumps in Parallel or Series

  Two identical pumps added in parallel double flow at fixed head; added in series double head at fixed flow (against a flat enough system curve).

• Purifier - Separation Temperature

  Recommended feed-oil separation temperature vs density - 98 °C for HFO ≥ 991 kg/m³ @ 15 °C.

• Purifier Stokes Settling Velocity

  Settling velocity of a dispersed-water droplet in oil: v = d²·(ρ_w − ρ_o)·g / (18·μ). The basis of centrifugal purifier sizing.

• Purse Seiner Fuel & CO₂

  Pelagic purse-seine fishing vessels. Outside CII scope; per-kg-catch intensity - much lower than trawlers (~0.3–1.0 kg CO₂/kg pelagic catch).

• Quasi-Propulsive Coefficient η_D

  Quasi-propulsive coefficient η_D = η_H × η_O × η_R - the ratio between effective power (EHP) and delivered power (DHP).

• Quasi-Propulsive Coefficient η_D

  η_D = η_O · η_H · η_R - the efficiency of energy transmission from delivered power to effective (towing) power.

• Radar & Optical Horizon

  Horizon distance - how far a radar or an observer can see - as a function of antenna/eye height.

• Radar Refraction - Coefficient

  Radar refraction coefficient k for horizon calculation.

• Radians to Degrees

  Convert rad to deg using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Radio/EPIRB Battery - 6 h Autonomy

  Check reserve-source battery capacity for VHF / MF-HF radio and EPIRB per SOLAS IV Reg. 13 - minimum 6 h (or 1 h if ship has emergency generator running > 36 h).

• Rankine Cycle Efficiency

  Ideal Rankine cycle thermal efficiency from the four cycle enthalpies - the steam-plant / WHR / ORC benchmark.

• Rankine to Kelvin

  Convert °R to K. Precise factor for marine general engineering; sourced from NIST / ISO / MEPC reference tables.

• Ras Al Khair (SA) - Port Card

  Ras Al Khair, SA - annual throughput ~40,000 TEU, max draft 15 m. KSA bauxite/alumina.

• Re-order Point

  Re-order point = (average demand × lead time) + safety stock. When current stock drops to this level, trigger a purchase order.

• Reefer - Temperature Range Tolerance

  Acceptable deviation of reefer internal temperature vs setpoint during transit - OCIMF/Perishable agreement.

• Reefer Container - Freight Premium

  Reefer-container freight premium over dry - typically 1.5-3× dry freight rate.

• Reefer Container - Power per Unit

  Electrical power draw per active reefer container - basis for ship reefer-plant sizing and port-shore-power budget.

• Reefer Container Ship CII

  Container ships with significant reefer-plug capacity. Same reference line as conventional container ships; the CII difference sits entirely in the aux-engine fuel term driven by reefer load.

• Reefer Ship CII

  Conventional refrigerated-cargo ships - MEPC.337 refrigerated-cargo reference line.

• Refrigerant Charge (Tube Volume Method)

  Estimate refrigerant charge from system pipe + component internal volume and refrigerant density at operating states.

• Refrigeration Condenser - Heat Rejection

  Condenser heat rejection rate given evaporator duty and compressor power - Q_cond = Q_evap + W_comp.

• Refrigeration COP - Carnot & Actual

  Coefficient of Performance of a vapour-compression cycle given evaporator and condenser temperatures, with Carnot reference.

• Refrigeration Pull-Down Time

  Estimated pull-down time of a refrigerated hold given initial/target temperatures, cargo mass and cooling capacity.

• Refrigeration Tonnage (TR ↔ kW)

  1 ton of refrigeration = 3.5169 kW. Handy converter when spec sheets mix US and SI.

• Reliability - Downtime from MTBF/MTTR

  System availability A = MTBF / (MTBF + MTTR) and annual downtime hours - the baseline uptime metric for critical marine equipment.

• Required Section Modulus

  Minimum hull-girder section modulus from total bending moment and steel grade allowable stress.

• Required Subdivision Index R (Cargo)

  Required Subdivision Index for cargo ships per SOLAS II-1 Reg 6: R = 1 − 128 / (Ls + 152).

• Research Vessel Fuel & CO₂

  Oceanographic research vessels. Outside CII scope; per-science-day intensity is the benchmark used by the International Research Ship Operators (IRSO).

• Reserve Buoyancy - Freeboard-based

  Reserve buoyancy as a percentage of displacement - the volume above the load-water plane that provides resistance to flooding.

• Residual GM Check

  Quick check of residual metacentric height after damage - SOLAS II-1 Reg 8 requires GM ≥ 0.05 m final.

• Resistivity units equivalent

  Convert ohm·mm²/m to µΩ·m. Precise factor for marine electrical engineering; sourced from NIST / ISO / MEPC reference tables.

• Retrofit Payback

  Simple payback and NPV for an energy-saving ship retrofit.

• Reverse-Carnot COP (Theoretical Limit)

  Maximum possible cooling COP for a given evaporator and condenser temperature pair. Real cycles achieve 35–65 % of this.

• Reverse-Power Setting (ANSI 32)

  ANSI 32 reverse-power relay setpoint - typically 5–15 % of rated kW for diesel generators, 2–6 % for turbine.

• Reversible laytime calculator

  Combined load + discharge laytime under reversibility.

• Reynolds Number

  Dimensionless ratio of inertial to viscous forces; the x-axis of every friction-coefficient correlation.

• Reynolds Number - Pipe Flow

  Reynolds number for pipe flow - the dimensionless parameter separating laminar (Re < 2300), transitional (2300–4000), turbulent (> 4000).

• rfnuo eligiuility

  Fuel factors from shared/fuel-factors.json (IMO MEPC.364(79) Cf + FuelEU Maritime Annex II WtW intensities).

• RightShip GHG Rating

  A–G letter grade derived from a ship's EEDI Z-score within its ship-type + size peer group.

• Rigid Wing Sail - Thrust Estimate

  Along-ship thrust of a rigid wing sail given sail area, lift coefficient, relative wind and angle - Oceanbird/WindWings design principle.

• RINA - CYBER RESILIENCE (Cyber)

  RINA class notation CYBER RESILIENCE - Cyber. Eligibility + survey-scope check.

• RINA - DOLPHIN-NAV (Nautical)

  RINA class notation DOLPHIN-NAV - Nautical. Eligibility + survey-scope check.

• RINA - Green Plus (Environmental)

  RINA class notation Green Plus - Environmental. Eligibility + survey-scope check.

• RINA - SUSTAINABLE SHIP (Sustainability)

  RINA class notation SUSTAINABLE SHIP - Sustainability. Eligibility + survey-scope check.

• RINA DOLPHIN QUIET-SHIP Notation

  RINA's underwater-radiated-noise (URN) notation - aligned with IMO MEPC.1/Circ.906 and ABS UWN.

• RINA GREEN PLUS

  Italian class society RINA's weighted-score environmental notation.

• Riser Vortex Shedding - Strouhal

  Vortex-shedding frequency on a cylindrical riser from Strouhal number - basis for VIV fatigue assessment.

• RO Membrane Recovery Rate

  RO recovery = permeate / feed. Low recovery = less scaling but more energy per m³; high recovery saves water but risks membrane fouling.

• Ro-Pax Ferry CII

  MEPC.337 roro-passenger reference line.

• Ro-Ro Lashing - Trailer Holddown

  Number of lashing points required for a ro-ro trailer from mass, acceleration and per-lashing WLL - CSS Code Annex 4.

• Ro-Ro Ramp - Angle Check

  Ro-ro ramp angle vs vehicle clearance - limits for saloon car, truck and semi-trailer access.

• Ro-Ro Vehicle Carrier (PCTC) CII

  MEPC.337 roro-cargo-vehicle reference line, GT-based.

• Rotterdam (NL) - Port Card

  Rotterdam, NL - annual throughput ~250,000 TEU, max draft 23 m. ARA hub; LNG/ammonia bunker pioneer.

• Rotterdam Rules - Applicability Check

  Check Rotterdam Rules applicability (not yet in force; partial adoption) vs Hague-Visby default - useful for long-term BOL drafting.

• Round Voyage P/L

  Net voyage profit = freight − voyage costs − OPEX × days.

• RS - Arc6 (Russian Arctic)

  RS class notation Arc6 - Russian Arctic. Eligibility + survey-scope check.

• RS - Icebreaker6 (Icebreaker)

  RS class notation Icebreaker6 - Icebreaker. Eligibility + survey-scope check.

• Rudder - Bearing Clearance Check

  Rudder-stock bearing clearance at drydock survey - scrapping limit typically 5-6 mm.

• Rudder Area - Archer Rule

  Rudder-area rule-of-thumb using Archer's formula - a function of underwater lateral area, used in early design feasibility.

• Rudder Normal Force - Class Formula

  Rudder normal-force per typical classification-society rule - F_N = 132·A·v²·κ for full-spade rudders.

• Rudder Rate Check (SOLAS II-1 Reg 29)

  Rate check: full rudder 35°→30° other side in ≤ 28 s, meaning ≥ 2.32 °/s average. SOLAS fundamental steering-gear duty.

• Rule of Sixty - Track Error

  Simple track-error correction: 1° off at 60 nm = 1 nm cross-track.

• Running Fix - Two Observations

  Estimate running-fix error at second observation from interval, own speed, and advance-method correction - sensitivity of the fix to course/speed change.

• Ruwais (AE) - Port Card

  Ruwais, AE - annual throughput ~70,000 TEU, max draft 16 m. UAE petroleum.

• S10_58 - South China trip to East Africa

  S10_58 benchmark route for Supramax: South China trip to East Africa. Rate × distance → TCE.

• S1A_58 - Far East → Continent

  S1A_58 benchmark route for Supramax: Far East → Continent. Rate × distance → TCE.

• S1B_58 - Canakkale → South China

  S1B_58 benchmark route for Supramax: Canakkale → South China. Rate × distance → TCE.

• S3_58 - Far East to Arabian Gulf

  S3_58 benchmark route for Supramax: Far East to Arabian Gulf. Rate × distance → TCE.

• S4A_58 - US Gulf to Continent

  S4A_58 benchmark route for Supramax: US Gulf to Continent. Rate × distance → TCE.

• S4B_58 - Continent to US Gulf

  S4B_58 benchmark route for Supramax: Continent to US Gulf. Rate × distance → TCE.

• S5_58 - WAfr to Far East

  S5_58 benchmark route for Supramax: WAfr to Far East. Rate × distance → TCE.

• S8_58 - South China trip via Indonesia

  S8_58 benchmark route for Supramax: South China trip via Indonesia. Rate × distance → TCE.

• S9_58 - Continent trip via Mediterranean

  S9_58 benchmark route for Supramax: Continent trip via Mediterranean. Rate × distance → TCE.

• Sacrificial Anode - Service Life

  Service life of a sacrificial anode (Al-In or Zn) from mass, capacity, and protection current demand - bare-anode lifetime before replacement.

• Sacrificial Anode Mass

  Anode mass required to deliver a given current over an intended life, using the Faraday-style relation M = I·T / (u·ε).

• Safe Range - Shallow Water

  Check ship's under-keel clearance in shallow channel.

• Safety Stock

  Safety stock = z · σ · √L - how many spares to carry above expected demand to cover lead-time demand variability.

• Safety Valve Area (ASME I)

  Approximate required safety-valve throat area from steam capacity and set pressure using the ASME Section I formula.

• Sailing Yacht Fuel & CO₂

  Cruising / racing sailing yachts. Power-plant used for aux and manoeuvring rather than primary propulsion. Per-running-hour intensity and sail-assist fraction tell the story.

• Salvage - LOF SCOPIC Rate

  Lloyd's Open Form + SCOPIC special-compensation rate - daily rate for no-success environmental salvage.

• Santos (BR) - Port Card

  Santos, BR - annual throughput ~150,000 TEU, max draft 15 m. Brazil largest.

• Saturation Temperature & Pressure

  Saturation temperature for a given pressure (or vice-versa) using IAPWS-IF97 approximation - the basis of every boiler / turbine calc.

• Savannah (US) - Port Card

  Savannah, US - annual throughput ~130,000 TEU, max draft 14 m. US SE.

• Saybolt Universal to cSt (< 1000 cSt)

  Convert SUS to cSt using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Saybolt Universal to Saybolt Furol seconds

  Convert SUS to SSF. Precise factor for marine fuel engineering; sourced from NIST / ISO / MEPC reference tables.

• SBTi - Shipping 1.5° Path

  Science-Based Targets initiative 1.5 °C aligned path for maritime - 100 % zero-emission vessels by 2050.

• Scavenge Air Pressure - 2-Stroke Estimate

  Estimated 2-stroke scavenge-air pressure at a given load given turbocharger pressure ratio and ambient conditions - baseline for verifying cylinder fill and smoke-density performance.

• SCBA Air Duration

  Theoretical air-cylinder duration from cylinder volume, pressure, and consumption rate. Apply safety factor.

• Schlichting Shallow-Water Correction

  Speed reduction for a given delivered power when a ship enters shallow water - Schlichting's 1934 correction.

• Schoenherr ATTC Friction Line

  Alternative friction-resistance correlation (Schoenherr 1932 / ATTC) used by some model basins instead of ITTC-57. Implicit equation solved via Newton iteration.

• SCOPIC - Invocation Trigger

  SCOPIC invocation trigger under LOF - threat of damage to environment enables salvor to invoke special compensation.

• SCR Urea Consumption

  Urea (as 32.5 % AdBlue solution) consumption for a selective-catalytic-reduction NOx aftertreatment.

• Scrap Price - Per LDT

  Vessel scrap value from LDT (lightweight) and prevailing $/LDT rates - the floor price on old ships.

• Scrubber - Wash Water pH Check

  Open-loop scrubber wash water pH + PAH + turbidity compliance per MEPC.340(77).

• Scrubber SO₂/CO₂ Ratio Check

  MEPC.340(77) equivalence: SO₂/CO₂ ratio must be ≤ 4.3 for 0.50 % global cap (or ≤ 21.7 for 3.5 % cap) when using an EGCS scrubber instead of compliant fuel.

• Sea Cargo Charter Alignment

  Charterer-side alignment against the SCC decarbonisation trajectory.

• Sea Ice - Compressive Strength

  Compressive strength of columnar sea ice as a function of temperature and strain rate - the driver for ice-hull interaction loads.

• Sea Water Cooling Pump Capacity

  Q = Q_cooling_duty / (ρ·cp·ΔT) - cooling-water pump sized to reject engine heat at design ΔT.

• Seakeeping - MSW / MSH Comfort Criterion

  Motion sickness incidence from ISO 2631-1 / NORDFORSK - integrated weighted acceleration exposure over 2 hours.

• Seattle-Tacoma (US) - Port Card

  Seattle-Tacoma, US - annual throughput ~90,000 TEU, max draft 16 m. Pacific Northwest.

• SEEMP Combined Operational Measures

  A SEEMP Part III implementation plan typically combines several operational measures (slow steaming, weather routing, hull cleaning, trim optimisation, just-in-time arrival, fuel switching, energy-saving devices). The total fuel saving from

• SEEMP Part I Measure Evaluator

  Per-ship energy-efficiency plan, mandatory since 1 January 2013.

• SEEMP Part II / III Tracker

  Monitors three-year CII rating history and flags SEEMP Part III triggers.

• SEEMP Part III - Corrective Action

  SEEMP Part III corrective-action plan trigger - a CII rating D for 3 consecutive years or E for 1 year.

• Sensible Heat Ratio (SHR)

  Ratio of sensible to total cooling load. Drives coil-apparatus-dew-point selection.

• Service Allowance - Added Resistance

  Service allowance (or "sea margin") applied to trial-condition power to reach design contract - covers weather, fouling, and ageing.

• Set & Drift - Current Triangle

  Resolve set and drift of a current into along-track and across-track components for leeway compensation - the classical vector triangle.

• Sewage Holding Tank - Capacity Check

  Required sewage holding-tank capacity for a given POB and passage length per MARPOL Annex IV special-area carriage rules - baseline 70 L/person·day.

• Sewage Treatment - STP Efficiency

  Compare STP effluent water-quality readings against MEPC.227(64) limits - BOD, TSS, fecal coliform, pH.

• SFOC - Intake Temperature Sensitivity

  Change in SFOC per °C change in intake / charge-air temperature - typical 0.3-0.5 g/kWh per °C.

• Shackle (chain) to metres

  Convert shackle to m. Precise factor for marine navigation engineering; sourced from NIST / ISO / MEPC reference tables.

• Shaft & Gearbox Losses

  Converts engine brake power to power delivered at the propeller shaft.

• Shaft Alignment - Cold-to-Hot Sag

  Cold-to-hot shaft-alignment compensation - thermal growth ME + jacket water heating compensates geometry.

• Shaft Diameter (IACS UR M68)

  Minimum intermediate shaft diameter per IACS UR M68 from rated power, rpm and material UTS.

• Shaft Generator - Output Capability

  Shaft-generator available electrical power given main-engine load and PTO design capacity - enables one-generator-at-sea config on slow-steaming.

• Shaft horsepower to kW

  Convert shp to kW. Precise factor for marine engine engineering; sourced from NIST / ISO / MEPC reference tables.

• Shaft Torsional - 1st Critical Speed

  First torsional critical speed of the propulsion shaft - must stay outside the engine's continuous-running band.

• Shaft-Generator / PTO Credit

  Fuel and CO₂ impact of running a Power Take-Off (PTO) shaft generator instead of an auxiliary engine.

• Shanghai (CN) - Port Card

  Shanghai, CN - annual throughput ~350,000 TEU, max draft 18 m. Busiest container port.

• ShaPoLi - Shaft Power Limitation

  Identical to EPL:

• Shear Flow - Q·V/I Check

  Shear flow q = V·Q/I for a longitudinal member at a specific height above keel - the stress check for side plating, deck plating.

• Shear Force - Quarter-Length Estimate

  Still-water shear force at quarter-length for a simplified load case - screening sanity-check before full longitudinal-strength analysis.

• Shell Plating - Rule Minimum Thickness

  Rule-minimum shell-plating thickness by ship length per class standard formulation - t_min = k·√L + corrosion addition.

• Shenzhen (CN) - Port Card

  Shenzhen, CN - annual throughput ~300,000 TEU, max draft 16 m. Yantian + Shekou.

• SHEX SHINC time exclusion

  Convert elapsed hours into counted laytime under SHEX or SHINC.

• Ship-Ship Interaction - Bank / Meeting

  Ship-Ship Interaction - Bank / Meeting - concept summary and example calculation.

• Shipboard Incinerator - Capacity Check

  Estimate daily waste generation and required incinerator throughput per MEPC.244(66) (revised IMO Type-Approval) - plastic, food, sludge.

• Shipping - Asset Depreciation Schedule

  Vessel depreciation accounting - typically 20-30 year useful life, straight-line or units-of-production, over scrap value.

• Shore Power - Required Cable Size

  Shore-connection cable size for high-voltage ship-shore power per ISO/IEC/IEEE 80005-1 - based on load current and cable derating for parallel runs.

• Short Circuit - Switchboard kA Rating

  Switchboard fault-rating check - Icu (ultimate breaking capacity) ≥ calculated I_k'' with 10 % margin.

• Short Tons to Metric

  Convert st to t using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Short-Circuit Current (IEC 61363)

  Peak and RMS symmetrical short-circuit currents on a shipboard bus - IEC 61363-1 approach for switchgear sizing.

• SHP vs DHP - Transmission Efficiency

  Shaft horse power (SHP) vs delivered horse power (DHP) accounting for bearing losses, gearbox / shaft-line transmission.

• Sig. Wave Height from Wind Speed

  Fully-developed seas: H_s ≈ 0.22 · V² / g · f(fetch). Simplified Hasselmann + Pierson-Moskowitz asymptote.

• Significant to Maximum Wave Height

  Maximum expected wave height in a 3-hour storm given significant wave height, using Rayleigh statistics - 1/n highest × σ relationship.

• Simpson's First Rule - Area Integrator

  Compute area under a curve sampled at three equally-spaced ordinates using Simpson's first rule - the building block for every naval-architecture volume, area and centroid integration.

• Simpson's Second Rule - 4-Ordinate Integrator

  Area under a curve sampled at four equally-spaced ordinates using Simpson's second (3/8) rule - used when ordinate count is a multiple of 3 + 1.

• Singapore (SG) - Port Card

  Singapore, SG - annual throughput ~500,000 TEU, max draft 20 m. Bunker capital world.

• singapore greenship reuate

  See live calculator aside for regulator URLs.

• Slam Location - Worst-Case Station

  Longitudinal station most susceptible to bow slamming based on vertical motion and relative velocity - typically 0.08–0.15 L from FP.

• Slamming Relative Velocity Threshold

  Bottom-slamming threshold velocity v_thresh = 0.093·√(g·L) from Ochi-Motter 1971.

• Slow Steaming - Fuel Savings per Voyage

  Fuel savings from reducing voyage speed - cubic-law estimate compared to baseline speed over a fixed route.

• Slow Steaming Savings

  Fuel and CO₂ impact of reducing voyage speed, accounting for the cube-law main-engine behaviour and the constant auxiliary baseline.

• Slow-Steaming GHG - CII Rating Sensitivity

  CII sensitivity to speed reduction - cubic fuel-speed relationship improves CII but reduces transport work.

• Sludge Tank - MARPOL Minimum Capacity

  Minimum sludge-tank capacity per MARPOL Annex I Reg. 12.1 - based on daily fuel consumption and voyage length between ports of sludge landing.

• Small Commercial Craft Fuel & CO₂

  Pilot cutters, crew boats, patrol craft, whale-watching boats. Outside CII scope; CO₂ per operating hour is the portable benchmark across work-boat categories.

• SMWW 2540D - Total suspended solids

  SMWW 2540D test method - Total suspended solids. Common lab test used for marine water quality assessment.

• SMWW 5210B - Biochemical oxygen demand

  SMWW 5210B test method - Biochemical oxygen demand. Common lab test used for marine water quality assessment.

• SMWW 9222D - Faecal coliform - membrane filter

  SMWW 9222D test method - Faecal coliform - membrane filter. Common lab test used for marine water quality assessment.

• Sohar (OM) - Port Card

  Sohar, OM - annual throughput ~70,000 TEU, max draft 16 m. Oman hub.

• Solar PV on Deck

  Annual energy yield of a deck-mounted photovoltaic array and the auxiliary-engine fuel it displaces.

• SOLAS - Fire Drill Frequency

  Minimum frequency of fire-drill / abandonment-drill per SOLAS III Reg. 19 - applies to all crew.

• SOLAS - Probabilistic R for Passenger Ships

  Required subdivision index R for passenger ships per SOLAS II-1 Reg. 6.2 - based on N (lifeboat + extra persons).

• SOLAS I/10 - Hull surveys

  SOLAS Chapter I Regulation 10 - Hull surveys. Scope + typical compliance check.

• SOLAS I/12 - Issuance of certificates

  SOLAS Chapter I Regulation 12 - Issuance of certificates. Scope + typical compliance check.

• SOLAS II-1/10 - Construction of WT bulkheads

  SOLAS Chapter II-1 Regulation 10 - Construction of WT bulkheads. Scope + typical compliance check.

• SOLAS II-1/11 - Testing of WT bulkheads

  SOLAS Chapter II-1 Regulation 11 - Testing of WT bulkheads. Scope + typical compliance check.

• SOLAS II-1/12 - Peak and machinery bulkheads

  SOLAS Chapter II-1 Regulation 12 - Peak and machinery bulkheads. Scope + typical compliance check.

• SOLAS II-1/13 - Openings in WT bulkheads

  SOLAS Chapter II-1 Regulation 13 - Openings in WT bulkheads. Scope + typical compliance check.

• SOLAS II-1/14 - WT doors in passenger ships

  SOLAS Chapter II-1 Regulation 14 - WT doors in passenger ships. Scope + typical compliance check.

• SOLAS II-1/15 - Openings in shell plating

  SOLAS Chapter II-1 Regulation 15 - Openings in shell plating. Scope + typical compliance check.

• SOLAS II-1/16 - Construction of WT subdivision

  SOLAS Chapter II-1 Regulation 16 - Construction of WT subdivision. Scope + typical compliance check.

• SOLAS II-1/17 - Integrity of hull above bulkhead deck

  SOLAS Chapter II-1 Regulation 17 - Integrity of hull above bulkhead deck. Scope + typical compliance check.

• SOLAS II-1/2 - Definitions

  SOLAS Chapter II-1 Regulation 2 - Definitions. Scope + typical compliance check.

• SOLAS II-1/20 - Loading & operating condition

  SOLAS Chapter II-1 Regulation 20 - Loading & operating condition. Scope + typical compliance check.

• SOLAS II-1/22 - Stability information

  SOLAS Chapter II-1 Regulation 22 - Stability information. Scope + typical compliance check.

• SOLAS II-1/23 - Construction of passenger ships

  SOLAS Chapter II-1 Regulation 23 - Construction of passenger ships. Scope + typical compliance check.

• SOLAS II-1/25 - Damage control plans

  SOLAS Chapter II-1 Regulation 25 - Damage control plans. Scope + typical compliance check.

• SOLAS II-1/26 - Machinery

  SOLAS Chapter II-1 Regulation 26 - Machinery. Scope + typical compliance check.

• SOLAS II-1/29 - Steering gear

  SOLAS Chapter II-1 Regulation 29 - Steering gear. Scope + typical compliance check.

• SOLAS II-1/32 - Starting arrangements

  SOLAS Chapter II-1 Regulation 32 - Starting arrangements. Scope + typical compliance check.

• SOLAS II-1/36 - Protection against noise

  SOLAS Chapter II-1 Regulation 36 - Protection against noise. Scope + typical compliance check.

• SOLAS II-1/37 - Communication between bridge and ER

  SOLAS Chapter II-1 Regulation 37 - Communication between bridge and ER. Scope + typical compliance check.

• SOLAS II-1/4 - General

  SOLAS Chapter II-1 Regulation 4 - General. Scope + typical compliance check.

• SOLAS II-1/41 - Electrical power

  SOLAS Chapter II-1 Regulation 41 - Electrical power. Scope + typical compliance check.

• SOLAS II-1/42 - Emergency source

  SOLAS Chapter II-1 Regulation 42 - Emergency source. Scope + typical compliance check.

• SOLAS II-1/43 - Emergency source in passenger ships

  SOLAS Chapter II-1 Regulation 43 - Emergency source in passenger ships. Scope + typical compliance check.

• SOLAS II-1/5 - Intact stability

  SOLAS Chapter II-1 Regulation 5 - Intact stability. Scope + typical compliance check.

• SOLAS II-1/8 - Watertight integrity

  SOLAS Chapter II-1 Regulation 8 - Watertight integrity. Scope + typical compliance check.

• SOLAS II-1/9 - Double bottoms

  SOLAS Chapter II-1 Regulation 9 - Double bottoms. Scope + typical compliance check.

• SOLAS II-2 - Safe Return to Port Time

  Safe-Return-to-Port (SRtP) endurance check for passenger ships - minimum 3 hours on each of 13 essential systems after a design casualty.

• SOLAS II-2/1 - Application fire safety

  SOLAS Chapter II-2 Regulation 1 - Application fire safety. Scope + typical compliance check.

• SOLAS II-2/10 - Fire fighting

  SOLAS Chapter II-2 Regulation 10 - Fire fighting. Scope + typical compliance check.

• SOLAS II-2/11 - Structural integrity

  SOLAS Chapter II-2 Regulation 11 - Structural integrity. Scope + typical compliance check.

• SOLAS II-2/12 - Crew notification

  SOLAS Chapter II-2 Regulation 12 - Crew notification. Scope + typical compliance check.

• SOLAS II-2/13 - Means of escape

  SOLAS Chapter II-2 Regulation 13 - Means of escape. Scope + typical compliance check.

• SOLAS II-2/14 - Operational readiness

  SOLAS Chapter II-2 Regulation 14 - Operational readiness. Scope + typical compliance check.

• SOLAS II-2/15 - Instructions / drills

  SOLAS Chapter II-2 Regulation 15 - Instructions / drills. Scope + typical compliance check.

• SOLAS II-2/16 - Operations

  SOLAS Chapter II-2 Regulation 16 - Operations. Scope + typical compliance check.

• SOLAS II-2/17 - Alternative designs

  SOLAS Chapter II-2 Regulation 17 - Alternative designs. Scope + typical compliance check.

• SOLAS II-2/18 - Helicopter facilities

  SOLAS Chapter II-2 Regulation 18 - Helicopter facilities. Scope + typical compliance check.

• SOLAS II-2/19 - Carriage of DG

  SOLAS Chapter II-2 Regulation 19 - Carriage of DG. Scope + typical compliance check.

• SOLAS II-2/20 - Vehicle/special category spaces

  SOLAS Chapter II-2 Regulation 20 - Vehicle/special category spaces. Scope + typical compliance check.

• SOLAS II-2/21 - Casualty threshold passenger ship

  SOLAS Chapter II-2 Regulation 21 - Casualty threshold passenger ship. Scope + typical compliance check.

• SOLAS II-2/22 - Design for safe return passenger

  SOLAS Chapter II-2 Regulation 22 - Design for safe return passenger. Scope + typical compliance check.

• SOLAS II-2/23 - Safety centre passenger

  SOLAS Chapter II-2 Regulation 23 - Safety centre passenger. Scope + typical compliance check.

• SOLAS II-2/4 - Probability of ignition

  SOLAS Chapter II-2 Regulation 4 - Probability of ignition. Scope + typical compliance check.

• SOLAS II-2/5 - Fire growth potential

  SOLAS Chapter II-2 Regulation 5 - Fire growth potential. Scope + typical compliance check.

• SOLAS II-2/7 - Detection and alarm

  SOLAS Chapter II-2 Regulation 7 - Detection and alarm. Scope + typical compliance check.

• SOLAS II-2/8 - Control of smoke spread

  SOLAS Chapter II-2 Regulation 8 - Control of smoke spread. Scope + typical compliance check.

• SOLAS II-2/9 - Containment

  SOLAS Chapter II-2 Regulation 9 - Containment. Scope + typical compliance check.

• SOLAS III/1 - Application LSA

  SOLAS Chapter III Regulation 1 - Application LSA. Scope + typical compliance check.

• SOLAS III/10 - Manning survival craft

  SOLAS Chapter III Regulation 10 - Manning survival craft. Scope + typical compliance check.

• SOLAS III/11 - Survival craft muster arrangement

  SOLAS Chapter III Regulation 11 - Survival craft muster arrangement. Scope + typical compliance check.

• SOLAS III/12 - Embarkation stations

  SOLAS Chapter III Regulation 12 - Embarkation stations. Scope + typical compliance check.

• SOLAS III/13 - Stowage survival craft

  SOLAS Chapter III Regulation 13 - Stowage survival craft. Scope + typical compliance check.

• SOLAS III/14 - Stowage rescue boats

  SOLAS Chapter III Regulation 14 - Stowage rescue boats. Scope + typical compliance check.

• SOLAS III/15 - MES arrangements

  SOLAS Chapter III Regulation 15 - MES arrangements. Scope + typical compliance check.

• SOLAS III/16 - Survival craft launching

  SOLAS Chapter III Regulation 16 - Survival craft launching. Scope + typical compliance check.

• SOLAS III/19 - Emergency training and drills

  SOLAS Chapter III Regulation 19 - Emergency training and drills. Scope + typical compliance check.

• SOLAS III/20 - Operational readiness

  SOLAS Chapter III Regulation 20 - Operational readiness. Scope + typical compliance check.

• SOLAS III/21 - Survival craft capacity

  SOLAS Chapter III Regulation 21 - Survival craft capacity. Scope + typical compliance check.

• SOLAS III/31 - Survival craft and rescue boats

  SOLAS Chapter III Regulation 31 - Survival craft and rescue boats. Scope + typical compliance check.

• SOLAS III/6 - Communications

  SOLAS Chapter III Regulation 6 - Communications. Scope + typical compliance check.

• SOLAS III/7 - Personal life-saving

  SOLAS Chapter III Regulation 7 - Personal life-saving. Scope + typical compliance check.

• SOLAS III/8 - Muster list

  SOLAS Chapter III Regulation 8 - Muster list. Scope + typical compliance check.

• SOLAS III/9 - Operating instructions

  SOLAS Chapter III Regulation 9 - Operating instructions. Scope + typical compliance check.

• SOLAS IV/10 - Sea area A3

  SOLAS Chapter IV Regulation 10 - Sea area A3. Scope + typical compliance check.

• SOLAS IV/11 - Sea area A4

  SOLAS Chapter IV Regulation 11 - Sea area A4. Scope + typical compliance check.

• SOLAS IV/13 - Sources of energy (radio)

  SOLAS Chapter IV Regulation 13 - Sources of energy (radio). Scope + typical compliance check.

• SOLAS IV/14 - Performance standards

  SOLAS Chapter IV Regulation 14 - Performance standards. Scope + typical compliance check.

• SOLAS IV/3 - Exemptions radio

  SOLAS Chapter IV Regulation 3 - Exemptions radio. Scope + typical compliance check.

• SOLAS IV/4 - Functional requirements radio

  SOLAS Chapter IV Regulation 4 - Functional requirements radio. Scope + typical compliance check.

• SOLAS IV/5 - Provision of radio services

  SOLAS Chapter IV Regulation 5 - Provision of radio services. Scope + typical compliance check.

• SOLAS IV/6 - Radio installations

  SOLAS Chapter IV Regulation 6 - Radio installations. Scope + typical compliance check.

• SOLAS IV/7 - Radio equipment general

  SOLAS Chapter IV Regulation 7 - Radio equipment general. Scope + typical compliance check.

• SOLAS IV/8 - Sea area A1

  SOLAS Chapter IV Regulation 8 - Sea area A1. Scope + typical compliance check.

• SOLAS IV/9 - Sea area A2

  SOLAS Chapter IV Regulation 9 - Sea area A2. Scope + typical compliance check.

• SOLAS IX/3 - ISM - documents

  SOLAS Chapter IX Regulation 3 - ISM - documents. Scope + typical compliance check.

• SOLAS IX/4 - ISM - certification

  SOLAS Chapter IX Regulation 4 - ISM - certification. Scope + typical compliance check.

• SOLAS V/14 - Manning

  SOLAS Chapter V Regulation 14 - Manning. Scope + typical compliance check.

• SOLAS V/15 - Bridge design principles

  SOLAS Chapter V Regulation 15 - Bridge design principles. Scope + typical compliance check.

• SOLAS V/18 - Approval, survey, performance of nav equipment

  SOLAS Chapter V Regulation 18 - Approval, survey, performance of nav equipment. Scope + typical compliance check.

• SOLAS V/19 - Carriage requirements

  SOLAS Chapter V Regulation 19 - Carriage requirements. Scope + typical compliance check.

• SOLAS V/2 - Definitions (navigation)

  SOLAS Chapter V Regulation 2 - Definitions (navigation). Scope + typical compliance check.

• SOLAS V/20 - VDR

  SOLAS Chapter V Regulation 20 - VDR. Scope + typical compliance check.

• SOLAS V/21 - International Code of Signals

  SOLAS Chapter V Regulation 21 - International Code of Signals. Scope + typical compliance check.

• SOLAS V/22 - Navigation bridge visibility

  SOLAS Chapter V Regulation 22 - Navigation bridge visibility. Scope + typical compliance check.

• SOLAS V/23 - Pilot transfer arrangement

  SOLAS Chapter V Regulation 23 - Pilot transfer arrangement. Scope + typical compliance check.

• SOLAS V/24 - Use of heading control or track

  SOLAS Chapter V Regulation 24 - Use of heading control or track. Scope + typical compliance check.

• SOLAS V/25 - Operation of main source

  SOLAS Chapter V Regulation 25 - Operation of main source. Scope + typical compliance check.

• SOLAS V/26 - Steering gear - tests & drills

  SOLAS Chapter V Regulation 26 - Steering gear - tests & drills. Scope + typical compliance check.

• SOLAS V/33 - Distress alerts and MSS

  SOLAS Chapter V Regulation 33 - Distress alerts and MSS. Scope + typical compliance check.

• SOLAS VI/2 - Cargo information (VGM)

  SOLAS Chapter VI Regulation 2 - Cargo information (VGM). Scope + typical compliance check.

• SOLAS VI/5 - Stowage and securing

  SOLAS Chapter VI Regulation 5 - Stowage and securing. Scope + typical compliance check.

• SOLAS VII/3 - Carriage of dangerous goods

  SOLAS Chapter VII Regulation 3 - Carriage of dangerous goods. Scope + typical compliance check.

• SOLAS X/3 - HSC Code applicability

  SOLAS Chapter X Regulation 3 - HSC Code applicability. Scope + typical compliance check.

• SOLAS XI-1/3 - Identification number

  SOLAS Chapter XI-1 Regulation 3 - Identification number. Scope + typical compliance check.

• SOLAS XI-1/6 - Administration investigation

  SOLAS Chapter XI-1 Regulation 6 - Administration investigation. Scope + typical compliance check.

• SOLAS XI-2/6 - Ship Security Alert System

  SOLAS Chapter XI-2 Regulation 6 - Ship Security Alert System. Scope + typical compliance check.

• SOLAS XI-2/8 - Master's authority security

  SOLAS Chapter XI-2 Regulation 8 - Master's authority security. Scope + typical compliance check.

• Sommerfeld Number

  S = (η·N)/(P)·(R/c)² - dimensionless bearing operating parameter. Low S → thick film, hydrodynamic; high S → thin, boundary.

• Southampton (GB) - Port Card

  Southampton, GB - annual throughput ~90,000 TEU, max draft 14 m. UK South.

• SOₓ from Fuel Sulphur
• SOx Scrubber - NaOH Dosing Rate

  NaOH consumption rate for a closed-loop EGCS - dependent on fuel sulphur mass flow and stoichiometry.

• Specific fuel consumption — Imperial to metric

  Convert lb/BHP-hr to g/kWh. Precise factor for marine fuel engineering; sourced from NIST / ISO / MEPC reference tables.

• Specific fuel consumption — metric to Imperial

  Convert g/kWh to lb/BHP-hr. Precise factor for marine fuel engineering; sourced from NIST / ISO / MEPC reference tables.

• Specific gravity to API (petroleum)

  Convert SG to °API. Precise factor for marine fuel engineering; sourced from NIST / ISO / MEPC reference tables.

• Specific heat — SI to Imperial

  Convert kJ/kg·K to Btu/lb·°F. Precise factor for marine thermo engineering; sourced from NIST / ISO / MEPC reference tables.

• Specific Speed Ns

  Dimensionless ratio that characterises pump type. Low Ns (< 25) = radial; mid (25–50) = mixed flow; high (> 50) = axial.

• Speed Trial - Weather Correction (ISO 15016)

  Apply wind and wave corrections to measured trial speed per ISO 15016:2015 - the contract speed verification method.

• Speed–Power Cubic Fit

  Projects delivered power at any speed from a reference point using the Rayleigh cube law with an adjustable exponent.

• Splash-Filling Rest Time (ISGOTT)

  Minimum rest time after initial loading before ullage measurements, per ISGOTT: allow 30 min for static-electricity decay before any non-bonded measuring tape is lowered.

• Sprinkler - Required Flow Rate

  Sprinkler system flow per SOLAS II-2 Reg. 10 / FSS Ch. 8 - 5 L/m²·min over the largest hypothetical fire area.

• Squat (Barrass)

  Maximum squat in metres using the Barrass simplified formula for open water and canal / shallow conditions.

• Standard to Normal cubic metres per hour (gas)

  Convert Sm³/h to Nm³/h. Precise factor for marine gas engineering; sourced from NIST / ISO / MEPC reference tables.

• Starting Air Compressor - Sizing

  Starting-air compressor sizing per SOLAS II-1 Reg. 32 - 12 consecutive starts in 1 h for reversing engine without reducer.

• Starting Air Receiver Capacity

  SOLAS II-1 Reg 32: starting air for ≥ 12 reversing starts (or ≥ 6 non-reversing) on a reciprocating main engine without replenishment.

• Statement of Facts builder

  Compute total elapsed and net laytime hours from a list of port events.

• Statute Miles to Nautical Miles

  Convert mi to nm using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• STAWAVE-2 Added Resistance in Waves

  ITTC STAWAVE-2 closed-form estimate of mean added resistance in head-seas irregular waves. Basis for the EEDI/EEXI weather factor $f_w$.

• STCW - Ice Navigation Certificate

  Ice-navigation certificate requirement per STCW V/4 - basic vs advanced depending on role + ice concentration.

• STCW - Minimum Safe Manning

  Minimum safe-manning guidance per IMO Res. A.1047(27) - screening check against typical number of officers, ratings, and deck/engine department.

• STCW - Tanker Certification Requirement

  Tanker-endorsement certification tier per STCW Reg. V/1 - Basic vs Advanced training depending on role.

• STCW / MLC - Rest-Hours Compliance

  STCW/MLC 2006 rest-hours check - minimum 10 hours rest in any 24 h and 77 h in any 7-day period.

• Steam Trap - Failure Rate

  Steam trap failure rate benchmark - ≥ 10 % failed = significant energy loss.

• Steel Grade Selection (IACS UR W11)

  Minimum steel grade by plate thickness and structural category (primary / secondary / tertiary) per IACS UR W11.

• Steering-Gear Hydraulic Torque

  Required hydraulic torque on the rudder stock to satisfy the SOLAS II-1 Reg 29 duty: full rudder 35°→35° in ≤ 28 s at service speed.

• Stefan–Boltzmann Radiation

  Net radiative heat transfer between two grey surfaces: Q = ε·σ·A·(T₁⁴ − T₂⁴).

• Stiffened Panel Euler Buckling

  Euler critical stress σ_cr = π²·E·I / (L² · A) - the classical buckling limit for a pin-ended stiffened panel.

• Stiffener Section Modulus - Rule Check

  Required section modulus of a longitudinal stiffener under lateral pressure - Z = c·s·l²·p/σ.

• Still-Water Bending Moment (IACS UR S11)

  IACS UR S11 permissible still-water bending moment (hogging and sagging) as a function of L, B and Cb.

• Stoichiometric Air–Fuel Ratio

  Theoretical AFR from elemental composition: AFR = (11.53·C + 34.34·(H − O/8) + 4.32·S) / 100, for mass fractions expressed in percent.

• Stopping Distance - Crash Stop

  Crash-stop distance (head reach) from full-ahead speed per IMO A.751 - ≤ 15 ship-lengths unless waivered for VLCCs.

• Storm Avoidance - Right Semicircle Rule

  Storm Avoidance - Right Semicircle Rule - concept summary and example calculation.

• Stribeck Regime Check

  Position on the Stribeck curve from the Hersey parameter η·N/P - boundary, mixed, or full-film.

• Strip Theory - Added Mass (Heave)

  Heave added mass coefficient m33 from strip-theory - the hydrodynamic inertia term used in ship motion equations.

• Stripping Efficiency Check

  Verify stripping achieves the Annex II limit of 75 L per Cat Y/Z tank (100 L for existing ships, 75 L for new/Cat X).

• Subdivision - Attained Index A

  Attained subdivision index A from partial indices at three drafts - ds (deepest), dp (partial), dl (lightest) per SOLAS II-1 Reg. 6.

• Subdivision - p-Factor (Damage Probability)

  Probability p of damage in a given longitudinal zone per SOLAS II-1 Reg. 7-1 - based on zone length and position along L_S.

• Subdivision - Required Index R

  Required subdivision index R for a cargo ship per SOLAS II-1 Reg. 6 - a function of subdivision length L_s.

• Subdivision - s-Factor (Survival Probability)

  Probability of survival s in a damage case based on residual GZ curve - A = Σ (p · s · v) for attained subdivision index.

• Suez Canal - SCNT & Toll

  Suez Canal Net Tonnage and indicative toll per SCA circular - SCNT differs from ITC NT by Suez-specific deductions and adds.

• Sun Altitude - Refraction Correction

  Refraction correction for a sextant sun altitude at standard atmospheric conditions - Bennett empirical formula.

• Sun Amplitude - Compass Error

  Sun's amplitude at rising / setting for compass deviation checks.

• Sun Azimuth - Time-Azimuth

  Sun azimuth at local apparent time from declination + LHA.

• Superyacht Fuel & CO₂

  Yachts 30–180 m. Outside CII scope but increasingly audited by owners and charterers against a CO₂-per-day or per-guest-night intensity.

• Surface tension — SI to CGS

  Convert N/m to dyne/cm. Precise factor for marine fluids engineering; sourced from NIST / ISO / MEPC reference tables.

• SW Cooling - Pump Flow Required

  Sea-water cooling-pump flow from total heat rejected, ΔT, and SW properties.

• Sway–Roll Coupling - Natural Frequency

  Coupled sway-roll natural frequency including added mass - the basis for transverse-wave resonance analysis.

• Sydney Botany (AU) - Port Card

  Sydney Botany, AU - annual throughput ~90,000 TEU, max draft 15 m. AU East.

• System - Accommodation Ladder: Hydraulic deployment

  Accommodation Ladder component card: Hydraulic deployment. SOLAS III carriage.

• System - Air Dryer: Refrigerant / desiccant

  Air Dryer component card: Refrigerant / desiccant. Prevents moisture in control air.

• System - Air Receiver: Pressure vessel

  Air Receiver component card: Pressure vessel. 30 bar for starting, 7 bar for control.

• System - AIS Transponder: Class A

  AIS Transponder component card: Class A. Auto-transmit at 12.5 W.

• System - Anchor Windlass: Hydraulic or electric

  Anchor Windlass component card: Hydraulic or electric. IACS UR A1 sizing.

• System - Auxiliary Engine: Medium-speed 4-stroke

  Auxiliary Engine component card: Medium-speed 4-stroke. MAN / Wärtsilä / Yanmar gensets.

• System - Azimuth Thruster: Pod / L-drive

  Azimuth Thruster component card: Pod / L-drive. ASD / DP installations.

• System - Battery - Emergency: Lead-acid VRLA

  Battery - Emergency component card: Lead-acid VRLA. 6-hour backup per SOLAS IV/13.

• System - Battery - ESS: Li-ion LFP

  Battery - ESS component card: Li-ion LFP. Hybrid propulsion, MWh capacity.

• System - Bilge Pump ER: Self-priming centrifugal

  Bilge Pump ER component card: Self-priming centrifugal. 10-20 m³/h, 3 bar, per SOLAS II-1 21.

• System - BNWAS: Watch alarm

  BNWAS component card: Watch alarm. SOLAS V/19.2.2.3.

• System - Boiler Feed Pump: Multi-stage centrifugal

  Boiler Feed Pump component card: Multi-stage centrifugal. 3-5× boiler MCR capacity.

• System - Boiler Water Sampler: Cooling coil + tap

  Boiler Water Sampler component card: Cooling coil + tap. Weekly chemistry sample.

• System - Bow Thruster: Tunnel or azimuth

  Bow Thruster component card: Tunnel or azimuth. 500-3000 kW manoeuvring.

• System - Calorifier: Hot water heater

  Calorifier component card: Hot water heater. Steam or electric heating, 60-70 °C storage.

• System - Capstan: Hydraulic / electric

  Capstan component card: Hydraulic / electric. Single-line mooring.

• System - Cargo Heater: Steam coil

  Cargo Heater component card: Steam coil. In-tank or inline, LMTD-sized.

• System - Cascade Tank: Feed water surge tank

  Cascade Tank component card: Feed water surge tank. Condensate + makeup water.

• System - Central Cooler: Plate cooler

  Central Cooler component card: Plate cooler. SW vs FW, 32-40 °C outlet.

• System - Chlorinator: Electro-chlorinator

  Chlorinator component card: Electro-chlorinator. Hypochlorite for potable water treatment.

• System - Condensate Tank: Gravity collection

  Condensate Tank component card: Gravity collection. Recovers steam condensate.

• System - Control Air Compressor: Screw

  Control Air Compressor component card: Screw. 7-10 bar instrument air.

• System - Controllable Pitch Propeller: Hydraulic hub

  Controllable Pitch Propeller component card: Hydraulic hub. Rexroth or MAN spares.

• System - Davit - Lifeboat: Gravity / hinged

  Davit - Lifeboat component card: Gravity / hinged. MSC.402(96) compliant.

• System - Deaerator: Spray / tray type

  Deaerator component card: Spray / tray type. Removes O₂ from feed water.

• System - ECDIS: IEC 61174 approved

  ECDIS component card: IEC 61174 approved. SOLAS V/19 + paper chart backup.

• System - Echo Sounder: Single-beam

  Echo Sounder component card: Single-beam. IEC 61260 approved.

• System - Emergency Bilge Pump: Vertical submersible

  Emergency Bilge Pump component card: Vertical submersible. ≥ 50 m³/h, own power source.

• System - Emergency Genset: High-speed diesel

  Emergency Genset component card: High-speed diesel. Class-rule sizing, ≤ 45 s start.

• System - Emergency Switchboard: Separate deck

  Emergency Switchboard component card: Separate deck. Outside ER, 24-hour feed.

• System - EPIRB: 406 MHz float-free

  EPIRB component card: 406 MHz float-free. SOLAS IV/7.1.6.

• System - Exhaust Gas Boiler: Composite / integrated

  Exhaust Gas Boiler component card: Composite / integrated. On ME exhaust, 4-8 bar steam.

• System - Flash Separator: Steam drying

  Flash Separator component card: Steam drying. Removes moisture from saturated steam.

• System - Fuel Heater: Steam heat exchanger

  Fuel Heater component card: Steam heat exchanger. HFO heated to 130-150 °C.

• System - Fuel Oil Purifier: Westfalia / Alfa Laval

  Fuel Oil Purifier component card: Westfalia / Alfa Laval. High-speed centrifugal, 1.5-2 × fuel flow.

• System - Fuel Viscosity Controller: Inline viscometer

  Fuel Viscosity Controller component card: Inline viscometer. Controls heating to 12-17 cSt injection.

• System - FW generator: Plate-type evaporator

  FW generator component card: Plate-type evaporator. 10-35 m³/day, 3-5 bar vacuum, 98 °C jacket water.

• System - FW generator: Shell-and-tube evaporator

  FW generator component card: Shell-and-tube evaporator. 35-60 m³/day, older installations.

• System - FW Pressure Pump: Multi-stage centrifugal

  FW Pressure Pump component card: Multi-stage centrifugal. 3-5 bar discharge, VFD controlled.

• System - Generator Jacket Cooler: Plate cooler

  Generator Jacket Cooler component card: Plate cooler. Aux-engine jacket water cooling.

• System - GPS / GNSS: Multi-constellation

  GPS / GNSS component card: Multi-constellation. < 5 m accuracy.

• System - Gyrocompass: Laser / mechanical

  Gyrocompass component card: Laser / mechanical. SOLAS V/19, 0.5° accuracy.

• System - Horn / Whistle: Electric / air-powered

  Horn / Whistle component card: Electric / air-powered. COLREGs Rule 33 compliant.

• System - Hydrophore: Membrane tank

  Hydrophore component card: Membrane tank. Pressure 3-5 bar, maintains FW supply.

• System - Immersion Suit: Polar / Arctic

  Immersion Suit component card: Polar / Arctic. -20 to -30 °C survival.

• System - Inert Gas Plant: Flue gas scrubber

  Inert Gas Plant component card: Flue gas scrubber. ≤ 5 % O₂ at deck seal.

• System - Lifejacket: SOLAS approved

  Lifejacket component card: SOLAS approved. LSA Code 2.2.

• System - Liferaft: Inflatable 25-pax

  Liferaft component card: Inflatable 25-pax. SOLAS III/31, HRU release.

• System - LRIT Terminal: INMARSAT / Iridium

  LRIT Terminal component card: INMARSAT / Iridium. SOLAS V/19-1.

• System - Lube Oil Cooler: Plate heat exchanger

  Lube Oil Cooler component card: Plate heat exchanger. Titanium or stainless, SW cooled.

• System - Lube Oil Purifier: Separator

  Lube Oil Purifier component card: Separator. System oil conditioning, continuous operation.

• System - Magnetic Compass: Class II

  Magnetic Compass component card: Class II. Binnacle + deviation card.

• System - Main Cargo Pump: Centrifugal deep-well

  Main Cargo Pump component card: Centrifugal deep-well. 1000-5000 m³/h, submerged in cargo tank.

• System - Main Engine CAC: Plate-fin cooler

  Main Engine CAC component card: Plate-fin cooler. Air side fouling monitored.

• System - Main Engine Jacket Cooler: Tube-type

  Main Engine Jacket Cooler component card: Tube-type. Jacket water cooled by SW.

• System - Main Engine: Slow-speed 2-stroke

  Main Engine component card: Slow-speed 2-stroke. MAN ES or WinGD, direct drive.

• System - Main Switchboard: IP32 drawout

  Main Switchboard component card: IP32 drawout. 440 V or 6.6 kV, class approved.

• System - MES Chute: Inflatable

  MES Chute component card: Inflatable. Cruise / pax ro-ro.

• System - Mooring Winch: Hydraulic or electric

  Mooring Winch component card: Hydraulic or electric. OCIMF MEG4 design load.

• System - Navigation Light: LED 72 W bulb-equiv

  Navigation Light component card: LED 72 W bulb-equiv. COLREGs visibility.

• System - Nitrogen Generator: Membrane PSA

  Nitrogen Generator component card: Membrane PSA. 95-99.9 % pure N₂, 0.5-3 Nm³/h for small units.

• System - ODME: Cargo oil discharge monitor

  ODME component card: Cargo oil discharge monitor. Reg 34, ≤ 30 L/nm.

• System - Oil-Fired Boiler: Alfa Laval Aalborg

  Oil-Fired Boiler component card: Alfa Laval Aalborg. Auxiliary steam + in-port operation.

• System - OWS 15 ppm: Coalescing + filter

  OWS 15 ppm component card: Coalescing + filter. MEPC.107(49), automatic recirculation.

• System - Pilot Ladder: Rope + wood

  Pilot Ladder component card: Rope + wood. SOLAS V/23.

• System - Potable FW Tank: SS304 tank

  Potable FW Tank component card: SS304 tank. Epoxy-coated steel or 304L stainless.

• System - Radar - S-band: Long-range

  Radar - S-band component card: Long-range. MSC.192(79) Type approval.

• System - Radar - X-band: Short-range

  Radar - X-band component card: Short-range. CSC / arpa.

• System - Rescue Boat: FRP + diesel

  Rescue Boat component card: FRP + diesel. High-speed, ≥ 6 kn.

• System - RO Plant: High-pressure membrane

  RO Plant component card: High-pressure membrane. 50-200 bar operation, 40-45 % recovery.

• System - Rudder: Spade / semi-spade / full

  Rudder component card: Spade / semi-spade / full. DNV Pt.3 Ch.14 sizing.

• System - SART: Radar transponder

  SART component card: Radar transponder. X-band, detected 5-10 nm.

• System - Shore Power Connection: HVSC 6.6 / 11 kV

  Shore Power Connection component card: HVSC 6.6 / 11 kV. ISO/IEC/IEEE 80005.

• System - Speed Log: Pitot / Doppler

  Speed Log component card: Pitot / Doppler. STW + SOG.

• System - Starting Air Compressor: Reciprocating

  Starting Air Compressor component card: Reciprocating. 30 bar, 12 consecutive starts.

• System - Steam Relief Valve: Spring-loaded

  Steam Relief Valve component card: Spring-loaded. Protects boiler pressure limit.

• System - Steam Trap: Thermostatic or float

  Steam Trap component card: Thermostatic or float. Returns condensate, blocks steam.

• System - Steering Gear: Rotary vane / ram

  Steering Gear component card: Rotary vane / ram. SOLAS II-1/29, 35° each side 28 s.

• System - Stern Thruster: Tunnel

  Stern Thruster component card: Tunnel. Assists berthing.

• System - Stripping Pump Cargo: Reciprocating

  Stripping Pump Cargo component card: Reciprocating. Final residue stripping, low flow high head.

• System - Turbocharger: Axial / radial exhaust

  Turbocharger component card: Axial / radial exhaust. MAN ABB or MHI, cylinder-load matched.

• System - UPS: Inverter + battery

  UPS component card: Inverter + battery. 60 min runtime critical loads.

• System - UV Sterilizer: Quartz sleeve UV

  UV Sterilizer component card: Quartz sleeve UV. 40 mJ/cm² dose target, annual lamp change.

• System - VDR / S-VDR: Voyage data recorder

  VDR / S-VDR component card: Voyage data recorder. MSC.333(90).

• System - VHF Handheld: GMDSS approved

  VHF Handheld component card: GMDSS approved. SOLAS IV/7.1.4.

• Tanger Med (MA) - Port Card

  Tanger Med, MA - annual throughput ~130,000 TEU, max draft 18 m. Morocco Mediterranean.

• Tanjung Pelepas (MY) - Port Card

  Tanjung Pelepas, MY - annual throughput ~130,000 TEU, max draft 17 m. Malaysia south.

• Tank Cleaning - Machine Cycle Time

  Estimate tank-cleaning machine programme time for a single cargo tank using butterworth/washing-machine coverage rate - typical ISGOTT 6 figure.

• Tank Cleaning - Water Budget

  Total wash-water volume for a tank-cleaning programme - machine flow × number of machines × programme duration, used for slop-tank / shore-reception planning.

• Tank Container - T-Code Selection

  IMDG tank-container T-code selection based on cargo hazard - T1 to T75 portable-tank classification.

• Tank Stripping - MARPOL Rate Check

  Check stripping-system capacity against MARPOL Annex I Reg. 18 - stripping must empty each tank to ≤ 300 litres of oil-like residue at nominal rated capacity.

• Tanker Double-Hull - Space Volume

  Double-hull wing-ballast volume for a given tanker - MARPOL Annex I Reg. 19 design restriction.

• Tanker Op - Bilge holding tank

  Bilge holding tank procedure card: Under 15 ppm OWS treatment.

• Tanker Op - Bunker delivery note

  Bunker delivery note procedure card: MARPOL Annex VI Reg 18 - signed sample.

• Tanker Op - Bunkering - ammonia

  Bunkering - ammonia procedure card: Toxic - full PPE + evacuation plan.

• Tanker Op - Bunkering - HFO

  Bunkering - HFO procedure card: Fuel-oil transfer with MSDS + sampling.

• Tanker Op - Bunkering - LNG

  Bunkering - LNG procedure card: SGMF guidelines - cool-down required.

• Tanker Op - Bunkering - methanol

  Bunkering - methanol procedure card: No heat + no inerting, shore valve.

• Tanker Op - Calibration - portable gas meter

  Calibration - portable gas meter procedure card: Daily zero + span.

• Tanker Op - Calibration - UTI tape

  Calibration - UTI tape procedure card: Ullage / temperature / interface tape.

• Tanker Op - Cargo cooling - chemical

  Cargo cooling - chemical procedure card: Reefer plant on cargo tank.

• Tanker Op - Cargo cooling - LNG

  Cargo cooling - LNG procedure card: Spray condensation BOG to maintain tank T.

• Tanker Op - Cargo cooling - LPG

  Cargo cooling - LPG procedure card: Compressor / reliquefaction at MARVS.

• Tanker Op - Cargo heating - asphalt

  Cargo heating - asphalt procedure card: 140-180 °C, insulated tanks.

• Tanker Op - Cargo heating - HFO

  Cargo heating - HFO procedure card: Steam coils to 60-65 °C.

• Tanker Op - Cargo heating - sulphur

  Cargo heating - sulphur procedure card: Molten 135-140 °C, sulphur cake if cold.

• Tanker Op - Cargo heating - wax

  Cargo heating - wax procedure card: Palm oil / coconut oil heated 45 °C.

• Tanker Op - Cargo sample - composite

  Cargo sample - composite procedure card: Proportional combination.

• Tanker Op - Cargo sample - foot sample

  Cargo sample - foot sample procedure card: Bottom 1 m of tank, before loading.

• Tanker Op - Cargo sample - middle sample

  Cargo sample - middle sample procedure card: Mid-depth while loading.

• Tanker Op - Cargo sample - surface sample

  Cargo sample - surface sample procedure card: Upper 20-50 cm.

• Tanker Op - Confined space entry

  Confined space entry procedure card: Permit + watchkeeper + portable gas meter.

• Tanker Op - Cool-down

  Cool-down procedure card: Membrane LNG tank cool-down from ambient to -162 °C.

• Tanker Op - Crude oil washing - bottom-wash

  Crude oil washing - bottom-wash procedure card: Remaining tank volume.

• Tanker Op - Crude oil washing - cycle

  Crude oil washing - cycle procedure card: 3-4 tanks per voyage per MARPOL.

• Tanker Op - Crude oil washing - top-wash

  Crude oil washing - top-wash procedure card: Upper 3 m of tank.

• Tanker Op - Discharge plan

  Discharge plan procedure card: Pump sequence + ballast + stripping.

• Tanker Op - Emergency shutdown - ESD-1

  Emergency shutdown - ESD-1 procedure card: Cargo operation stopped, valves closed.

• Tanker Op - Emergency shutdown - ESD-2

  Emergency shutdown - ESD-2 procedure card: Hose disconnect + tugs + escape.

• Tanker Op - ESD-testing

  ESD-testing procedure card: Pre-voyage + post-maintenance.

• Tanker Op - Flame arrester check

  Flame arrester check procedure card: Pre-voyage + quarterly inspection.

• Tanker Op - Gas-free certificate

  Gas-free certificate procedure card: Port authority + marine chemist for entry.

• Tanker Op - Gas-up

  Gas-up procedure card: Replace nitrogen inerting with methane vapour.

• Tanker Op - Hot work permit

  Hot work permit procedure card: Shore-issued + gas-free tank + monitoring.

• Tanker Op - Inerting - IG plant start

  Inerting - IG plant start procedure card: Cold fuel-oil combustion or flue gas.

• Tanker Op - Inerting - negative pressure check

  Inerting - negative pressure check procedure card: Alarms + P/V valve integrity.

• Tanker Op - Inerting - positive pressure

  Inerting - positive pressure procedure card: Prevents atmospheric ingress.

• Tanker Op - Inerting - topping up

  Inerting - topping up procedure card: Maintains < 5 % O₂ during discharge.

• Tanker Op - Line-flushing

  Line-flushing procedure card: Clear manifold lines before closing.

• Tanker Op - Loading plan - crude

  Loading plan - crude procedure card: Cargo distribution + stress + drafts.

• Tanker Op - Loading plan - product

  Loading plan - product procedure card: Multi-grade segregation + heating requirements.

• Tanker Op - Mooring - CBM

  Mooring - CBM procedure card: Conventional buoy mooring.

• Tanker Op - Mooring - drift anchor

  Mooring - drift anchor procedure card: Emergency anchoring in open water.

• Tanker Op - Mooring - MBM

  Mooring - MBM procedure card: Multi-buoy mooring offshore.

• Tanker Op - Mooring - SPM

  Mooring - SPM procedure card: Single point mooring tanker.

• Tanker Op - Mooring - STS

  Mooring - STS procedure card: Ship-to-ship lightering.

• Tanker Op - OBQ survey

  OBQ survey procedure card: On-Board Quantity before loading.

• Tanker Op - Purging - cargo tank

  Purging - cargo tank procedure card: Remove residual hydrocarbons with IG.

• Tanker Op - Purging - pipeline

  Purging - pipeline procedure card: Remove residual cargo with blown air or IG.

• Tanker Op - ROB survey

  ROB survey procedure card: Remaining On Board before discharge.

• Tanker Op - Slops handling

  Slops handling procedure card: Tanker-specific, stripping + settling + shore.

• Tanker Op - Sludge disposal

  Sludge disposal procedure card: Shore reception per MARPOL I Reg 12.

• Tanker Op - Stripping - cargo tank

  Stripping - cargo tank procedure card: Final emptying via stripping pump.

• Tanker Op - Tank cleaning - crude wash

  Tank cleaning - crude wash procedure card: COW programme per MARPOL Reg 33.

• Tanker Op - Tank cleaning - dilution

  Tank cleaning - dilution procedure card: Gas dilution to safe entry.

• Tanker Op - Tank cleaning - displacement

  Tank cleaning - displacement procedure card: Stratified purge with inert gas.

• Tanker Op - Tank cleaning - gas-free

  Tank cleaning - gas-free procedure card: Ventilation to ≤ 1 % LEL.

• Tanker Op - Tank cleaning - water wash

  Tank cleaning - water wash procedure card: Butterworth machine programme.

• Tanker Op - Tank-freeing (hot work)

  Tank-freeing (hot work) procedure card: Permit-to-work + gas-free test.

• Tanker Op - VECS connection

  VECS connection procedure card: Vapor emission control system shore side.

• Tanker Op - Venting - fully-refrigerated

  Venting - fully-refrigerated procedure card: P/V valves set per tank type.

• Tanker Op - Venting - pressurised (C-tank)

  Venting - pressurised (C-tank) procedure card: Only via relief valves at MARVS.

• Tanker Op - Venting - semi-refrigerated

  Venting - semi-refrigerated procedure card: Partial reliquefaction + vent.

• Tanker Op - VOC management plan

  VOC management plan procedure card: MARPOL Annex VI Reg 15 - crude tanker.

• Tanker Op - Washings - oil record book

  Washings - oil record book procedure card: Entry for each crude-wash + disposal.

• Taylor-Gertler Series - Residuary Resistance

  Residuary-resistance coefficient from the Taylor-Gertler systematic series - mid-20th-century database still used for concept-stage powering.

• TC12 - West Coast India → Japan

  TC12 benchmark route for MR: West Coast India → Japan. Rate × distance → TCE.

• TC14 - US Gulf → Continent

  TC14 benchmark route for MR: US Gulf → Continent. Rate × distance → TCE.

• TC17 - AG → East Africa

  TC17 benchmark route for MR: AG → East Africa. Rate × distance → TCE.

• TC2 - Rotterdam → New York

  TC2 benchmark route for MR: Rotterdam → New York. Rate × distance → TCE.

• TC5 - AG → Japan

  TC5 benchmark route for LR1: AG → Japan. Rate × distance → TCE.

• TC6 - Skikda → Lavera

  TC6 benchmark route for MR: Skikda → Lavera. Rate × distance → TCE.

• TC7 - Singapore → East Australia

  TC7 benchmark route for MR: Singapore → East Australia. Rate × distance → TCE.

• TCE vs T/C - Capesize Decision

  Voyage TCE vs prevailing time-charter rate - the daily comparison that drives fix decisions for owners.

• TD1 - Ras Tanura → LOOP

  TD1 benchmark route for VLCC: Ras Tanura → LOOP. Rate × distance → TCE.

• TD14 - SE Asia → East Coast Australia

  TD14 benchmark route for Aframax: SE Asia → East Coast Australia. Rate × distance → TCE.

• TD15 - West Africa → China

  TD15 benchmark route for VLCC: West Africa → China. Rate × distance → TCE.

• TD17 - Baltic → UKC

  TD17 benchmark route for Aframax: Baltic → UKC. Rate × distance → TCE.

• TD19 - Ceyhan → Mediterranean

  TD19 benchmark route for Aframax: Ceyhan → Mediterranean. Rate × distance → TCE.

• TD2 - Ras Tanura → Singapore

  TD2 benchmark route for VLCC: Ras Tanura → Singapore. Rate × distance → TCE.

• TD20 - West Africa → Rotterdam

  TD20 benchmark route for Suezmax: West Africa → Rotterdam. Rate × distance → TCE.

• TD3C - Ras Tanura → Ningbo

  TD3C benchmark route for VLCC: Ras Tanura → Ningbo. Rate × distance → TCE.

• TD6 - Novorossiysk → Augusta

  TD6 benchmark route for Suezmax: Novorossiysk → Augusta. Rate × distance → TCE.

• TD7 - North Sea → Continent

  TD7 benchmark route for Aframax: North Sea → Continent. Rate × distance → TCE.

• TD8 - Kuwait → Singapore

  TD8 benchmark route for Aframax: Kuwait → Singapore. Rate × distance → TCE.

• TD9 - Caribbean → USGC

  TD9 benchmark route for Aframax: Caribbean → USGC. Rate × distance → TCE.

• Terminal - Algeciras - APM Terminals

  Algeciras - APM Terminals, BE terminal-card: Transshipment. Max ship size ~18,000 TEU (or bulk equivalent), max draft 18.5 m.

• Terminal - Antwerp - Delwaide

  Antwerp - Delwaide, BE terminal-card: Container lock-gated. Max ship size ~14,000 TEU (or bulk equivalent), max draft 14 m.

• Terminal - Antwerp - Deurganck

  Antwerp - Deurganck, BE terminal-card: Tidal container. Max ship size ~24,000 TEU (or bulk equivalent), max draft 17 m.

• Terminal - Buenos Aires - Exolgan

  Buenos Aires - Exolgan, AR terminal-card: Container. Max ship size ~9,000 TEU (or bulk equivalent), max draft 13 m.

• Terminal - Busan - New Port

  Busan - New Port, KR terminal-card: Deep-water container. Max ship size ~24,000 TEU (or bulk equivalent), max draft 17 m.

• Terminal - Busan - North Port

  Busan - North Port, KR terminal-card: Old port container. Max ship size ~10,000 TEU (or bulk equivalent), max draft 14 m.

• Terminal - Cai Mep - SSIT / CMIT

  Cai Mep - SSIT / CMIT, VN terminal-card: Deep-water container. Max ship size ~18,000 TEU (or bulk equivalent), max draft 15.5 m.

• Terminal - Cape Lambert - Rio Tinto

  Cape Lambert - Rio Tinto, AU terminal-card: Iron ore Rio Tinto. Max ship size ~0 TEU (or bulk equivalent), max draft 22 m.

• Terminal - Cape Town - Container

  Cape Town - Container, ZA terminal-card: Container. Max ship size ~14,000 TEU (or bulk equivalent), max draft 14 m.

• Terminal - Cartagena - Societe Portuaire

  Cartagena - Societe Portuaire, CO terminal-card: Container. Max ship size ~14,000 TEU (or bulk equivalent), max draft 15 m.

• Terminal - Charleston - Leatherman

  Charleston - Leatherman, US terminal-card: New deep-water. Max ship size ~16,000 TEU (or bulk equivalent), max draft 15.5 m.

• Terminal - Chennai - CITPL

  Chennai - CITPL, IN terminal-card: Container. Max ship size ~8,000 TEU (or bulk equivalent), max draft 13 m.

• Terminal - Chittagong - NCT / GCB

  Chittagong - NCT / GCB, BD terminal-card: Container. Max ship size ~8,000 TEU (or bulk equivalent), max draft 10 m.

• Terminal - Colombo - CICT / SAGT / JCT

  Colombo - CICT / SAGT / JCT, LK terminal-card: Transshipment. Max ship size ~20,000 TEU (or bulk equivalent), max draft 18 m.

• Terminal - Dalian - PDA Container

  Dalian - PDA Container, CN terminal-card: Container. Max ship size ~18,000 TEU (or bulk equivalent), max draft 17 m.

• Terminal - Dampier - Rio Tinto

  Dampier - Rio Tinto, AU terminal-card: Iron ore + salt. Max ship size ~0 TEU (or bulk equivalent), max draft 19 m.

• Terminal - Dubai - Jebel Ali T2/T3

  Dubai - Jebel Ali T2/T3, AE terminal-card: Container + bulk. Max ship size ~24,000 TEU (or bulk equivalent), max draft 17 m.

• Terminal - Fuzhou - Jiangyin

  Fuzhou - Jiangyin, CN terminal-card: Container. Max ship size ~14,000 TEU (or bulk equivalent), max draft 16 m.

• Terminal - Gladstone - RG Tanna

  Gladstone - RG Tanna, AU terminal-card: Coal. Max ship size ~0 TEU (or bulk equivalent), max draft 19 m.

• Terminal - Guangzhou - Nansha P4

  Guangzhou - Nansha P4, CN terminal-card: Container. Max ship size ~20,000 TEU (or bulk equivalent), max draft 17 m.

• Terminal - Hamburg - Eurogate CTH

  Hamburg - Eurogate CTH, DE terminal-card: Container. Max ship size ~18,000 TEU (or bulk equivalent), max draft 15.3 m.

• Terminal - Hamburg - HHLA CTA Altenwerder

  Hamburg - HHLA CTA Altenwerder, DE terminal-card: Automated container. Max ship size ~14,000 TEU (or bulk equivalent), max draft 14.5 m.

• Terminal - Ho Chi Minh - Cat Lai

  Ho Chi Minh - Cat Lai, VN terminal-card: Container. Max ship size ~10,000 TEU (or bulk equivalent), max draft 12 m.

• Terminal - Hong Kong - Kwai Chung

  Hong Kong - Kwai Chung, HK terminal-card: Container. Max ship size ~14,000 TEU (or bulk equivalent), max draft 15.5 m.

• Terminal - Houston - Bayport

  Houston - Bayport, US terminal-card: Container + chem. Max ship size ~14,000 TEU (or bulk equivalent), max draft 13.7 m.

• Terminal - Jakarta - Koja / JICT

  Jakarta - Koja / JICT, ID terminal-card: Container. Max ship size ~14,000 TEU (or bulk equivalent), max draft 14 m.

• Terminal - Kaohsiung - Port 7th

  Kaohsiung - Port 7th, TW terminal-card: Container deep-water. Max ship size ~18,000 TEU (or bulk equivalent), max draft 18 m.

• Terminal - Kobe - Port Island

  Kobe - Port Island, JP terminal-card: Container + auto. Max ship size ~14,000 TEU (or bulk equivalent), max draft 15 m.

• Terminal - Kochi - Vallarpadam

  Kochi - Vallarpadam, IN terminal-card: Container. Max ship size ~9,000 TEU (or bulk equivalent), max draft 14.5 m.

• Terminal - Kolkata - Haldia

  Kolkata - Haldia, IN terminal-card: Container + bulk. Max ship size ~5,000 TEU (or bulk equivalent), max draft 8 m.

• Terminal - Le Havre - Port 2000

  Le Havre - Port 2000, FR terminal-card: Container deep-water. Max ship size ~18,000 TEU (or bulk equivalent), max draft 16 m.

• Terminal - Long Beach - Pier T

  Long Beach - Pier T, US terminal-card: TTI terminal. Max ship size ~16,000 TEU (or bulk equivalent), max draft 16 m.

• Terminal - Los Angeles - Pier 300

  Los Angeles - Pier 300, US terminal-card: APM terminal. Max ship size ~14,000 TEU (or bulk equivalent), max draft 16 m.

• Terminal - Los Angeles - Pier 400

  Los Angeles - Pier 400, US terminal-card: Deep-water container. Max ship size ~18,000 TEU (or bulk equivalent), max draft 16.7 m.

• Terminal - Mundra - Adani

  Mundra - Adani, IN terminal-card: Container + bulk. Max ship size ~15,000 TEU (or bulk equivalent), max draft 16 m.

• Terminal - Nagoya - Tobishima

  Nagoya - Tobishima, JP terminal-card: Auto + container. Max ship size ~14,000 TEU (or bulk equivalent), max draft 15 m.

• Terminal - New York - Elizabeth Marine

  New York - Elizabeth Marine, US terminal-card: Container. Max ship size ~14,000 TEU (or bulk equivalent), max draft 15.2 m.

• Terminal - Newcastle NSW - Kooragang

  Newcastle NSW - Kooragang, AU terminal-card: Coal world's largest. Max ship size ~0 TEU (or bulk equivalent), max draft 15 m.

• Terminal - Nhava Sheva - JNPCT / BMCT

  Nhava Sheva - JNPCT / BMCT, IN terminal-card: Container. Max ship size ~14,000 TEU (or bulk equivalent), max draft 15 m.

• Terminal - Ningbo - Beilun

  Ningbo - Beilun, CN terminal-card: Container + bulk. Max ship size ~25,000 TEU (or bulk equivalent), max draft 22 m.

• Terminal - Ningbo - Daxie iron ore

  Ningbo - Daxie iron ore, CN terminal-card: Iron ore Valemax-capable. Max ship size ~0 TEU (or bulk equivalent), max draft 25 m.

• Terminal - Piraeus - Pier II/III

  Piraeus - Pier II/III, GR terminal-card: Cosco operated. Max ship size ~24,000 TEU (or bulk equivalent), max draft 18 m.

• Terminal - Port Hedland - BHP Jimblebar / Nelson Point

  Port Hedland - BHP Jimblebar / Nelson Point, AU terminal-card: Iron ore BHP. Max ship size ~0 TEU (or bulk equivalent), max draft 20 m.

• Terminal - Port Hedland - Fortescue

  Port Hedland - Fortescue, AU terminal-card: Iron ore (FMG). Max ship size ~0 TEU (or bulk equivalent), max draft 19 m.

• Terminal - Port Klang - Westport / Northport

  Port Klang - Westport / Northport, MY terminal-card: Container. Max ship size ~18,000 TEU (or bulk equivalent), max draft 18 m.

• Terminal - Prince Rupert - Fairview

  Prince Rupert - Fairview, CA terminal-card: Container + rail. Max ship size ~14,000 TEU (or bulk equivalent), max draft 18 m.

• Terminal - Qingdao - Qianwan

  Qingdao - Qianwan, CN terminal-card: Container. Max ship size ~24,000 TEU (or bulk equivalent), max draft 19 m.

• Terminal - Rotterdam - ECT Euromax

  Rotterdam - ECT Euromax, NL terminal-card: Container + ro-ro. Max ship size ~15,000 TEU (or bulk equivalent), max draft 18 m.

• Terminal - Rotterdam - Europort oil

  Rotterdam - Europort oil, NL terminal-card: Oil / petroleum products. Max ship size ~0 TEU (or bulk equivalent), max draft 23 m.

• Terminal - Rotterdam - Maasvlakte II APM

  Rotterdam - Maasvlakte II APM, NL terminal-card: Ultra-large containership berth. Max ship size ~18,000 TEU (or bulk equivalent), max draft 23 m.

• Terminal - Rotterdam - Maasvlakte II RWG

  Rotterdam - Maasvlakte II RWG, NL terminal-card: Deep-water container. Max ship size ~18,000 TEU (or bulk equivalent), max draft 23 m.

• Terminal - Saldanha Bay - Iron ore

  Saldanha Bay - Iron ore, ZA terminal-card: Iron ore export (Kumba). Max ship size ~0 TEU (or bulk equivalent), max draft 21 m.

• Terminal - Santos - BTP / DP World

  Santos - BTP / DP World, BR terminal-card: Container. Max ship size ~14,000 TEU (or bulk equivalent), max draft 14.5 m.

• Terminal - Savannah - Garden City

  Savannah - Garden City, US terminal-card: World's single largest container terminal. Max ship size ~18,000 TEU (or bulk equivalent), max draft 14.3 m.

• Terminal - Shanghai - Waigaoqiao

  Shanghai - Waigaoqiao, CN terminal-card: Container in-river. Max ship size ~20,000 TEU (or bulk equivalent), max draft 13 m.

• Terminal - Shanghai - Yangshan Phase 1-4

  Shanghai - Yangshan Phase 1-4, CN terminal-card: Deep-water container. Max ship size ~40,000 TEU (or bulk equivalent), max draft 17.5 m.

• Terminal - Singapore - Jurong Island

  Singapore - Jurong Island, SG terminal-card: Petrochemical. Max ship size ~0 TEU (or bulk equivalent), max draft 21 m.

• Terminal - Singapore - Pasir Panjang

  Singapore - Pasir Panjang, SG terminal-card: Container megaterminal. Max ship size ~24,000 TEU (or bulk equivalent), max draft 18 m.

• Terminal - Singapore - Tanjong Pagar

  Singapore - Tanjong Pagar, SG terminal-card: Container - relocating to Tuas. Max ship size ~15,000 TEU (or bulk equivalent), max draft 15 m.

• Terminal - Singapore - Tuas Mega Port

  Singapore - Tuas Mega Port, SG terminal-card: Under construction - world's largest. Max ship size ~65,000 TEU (or bulk equivalent), max draft 21 m.

• Terminal - Sohar - Container terminal

  Sohar - Container terminal, OM terminal-card: Hub. Max ship size ~15,000 TEU (or bulk equivalent), max draft 18 m.

• Terminal - Tangier Med - TC3

  Tangier Med - TC3, MA terminal-card: Transshipment hub. Max ship size ~24,000 TEU (or bulk equivalent), max draft 18 m.

• Terminal - Tanjung Pelepas - PTP

  Tanjung Pelepas - PTP, MY terminal-card: Transshipment. Max ship size ~24,000 TEU (or bulk equivalent), max draft 19 m.

• Terminal - Tianjin - Xingang

  Tianjin - Xingang, CN terminal-card: Container + bulk. Max ship size ~18,000 TEU (or bulk equivalent), max draft 19.5 m.

• Terminal - Vancouver - Deltaport

  Vancouver - Deltaport, CA terminal-card: Container. Max ship size ~15,000 TEU (or bulk equivalent), max draft 18 m.

• Terminal - Vizhinjam - International

  Vizhinjam - International, IN terminal-card: New deep-water transshipment. Max ship size ~20,000 TEU (or bulk equivalent), max draft 18 m.

• Terminal - Xiamen - Haicang

  Xiamen - Haicang, CN terminal-card: Container. Max ship size ~14,000 TEU (or bulk equivalent), max draft 15 m.

• Terminal - Yokohama - Honmoku / Daikoku

  Yokohama - Honmoku / Daikoku, JP terminal-card: Container. Max ship size ~14,000 TEU (or bulk equivalent), max draft 16 m.

• Thermal NOx (Zeldovich Order-of-Magnitude)

  Rough thermal-NOx formation rate from the extended Zeldovich mechanism. Doubling every ~90 K above 1800 K.

• Thickness Measurement Intervals (IACS UR Z10)

  UR Z10 survey schedule for oil tankers (Z10.1) and bulk carriers (Z10.2) by age and survey cycle.

• Three-Regime Cost Bridge

  Combined annual compliance exposure across IMO (CII corrective plan), EU ETS (EUA surrender) and FuelEU Maritime (€2,400 / VLSFO-eq deficit).

• Thrust Deduction - Holtrop Approximation

  Thrust-deduction fraction t from the Holtrop-Mennen resistance regression - used to convert propeller thrust to ship resistance.

• Tide - Interpolated Height

  Interpolate tide height between given low/high using half-cosine.

• Tide - M2 Semi-Diurnal Amplitude

  Dominant M2 tidal constituent amplitude - scale for predictions.

• Tide Height - Rule of Twelfths

  Approximate tidal height at any hour between LW and HW using the rule of 1-2-3-3-2-1 twelfths of the range.

• Time Charter - MPA & Daily Hire

  Monthly payment-advance (MPA) calculation for a time-charter given daily hire rate - the hire billing cycle.

• Time Charter Equivalent (TCE)

  Voyage's daily earnings on a time-charter basis: (gross freight − voyage costs) / round-voyage days. The standard cross-trade comparator.

• Time-Charter Equivalent (TCE) - Voyage

  Voyage time-charter equivalent: (freight − voyage costs) / total voyage days - the comparable benchmark for fixing decisions.

• Tokyo (JP) - Port Card

  Tokyo, JP - annual throughput ~150,000 TEU, max draft 14 m. Tokyo Bay.

• Tonne-nautical mile to tonne-km (transport work)

  Convert t·nm to t·km. Precise factor for marine emissions engineering; sourced from NIST / ISO / MEPC reference tables.

• Tonnes per Centimetre Immersion

  Parallel-sinkage derivative of displacement vs immersion.

• Tons of Refrigeration to kW

  Convert TR to kW using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• Topping-off Loading Rate

  Reduced rate for the final 10 % / slack-ullage stage to allow tank-level alarms to respond and avoid overfill.

• Topside Icing - Weight & Moment Allowance

  Topside icing allowance per IS Code 2008 Part B §6 for fishing vessels and vessels operating in winter seasonal zones - 30 kg/m² horizontal projected + 15 kg/m² vertical.

• Towing Kite - Pulling Force

  Pulling force of a towing kite at cruise conditions - for SkySails-style auxiliary propulsion assessment.

• TPC from Waterplane Simpson's Rule

  Tonnes per centimetre (TPC) at any draft from waterplane-area ordinates using Simpson's composite rule - the hydrostatic table entry for draft sensitivity.

• Transformer - Required kVA Rating

  Required transformer kVA rating given 3-phase secondary load, voltage, power-factor and 20 % safety margin.

• Transformer - Temperature Derating

  Dry-type transformer capacity derating for ambient above 40 °C per IEC 60076.

• Transformer Inrush - Ip Estimate

  Transformer energising inrush current 6–12× rated - basis for relay pickup and breaker withstand.

• Trawler Fuel & CO₂

  Bottom and pelagic trawlers. Outside CII scope; benchmarked per kg of landed catch - fuel-intensive fisheries (prawn, demersal) sit 3–5 kg CO₂/kg catch; pelagic fisheries 0.5–1.5 kg/kg.

• Trim - From Loading Centroid

  Total trim given LCB vs LCG separation and MCT1cm - the daily loading-computer readout.

• Trim from Weight Shift

  Change of trim in cm from a longitudinal weight shift.

• Trim Moment - MCT1cm Usage

  Change of trim from a longitudinal weight shift - Δtrim (cm) = w·d / MCT1cm.

• Trim Optimisation

  Fuel saving from running a ship at its CFD- or model-tested optimum trim.

• Trim Optimization - Fuel Savings

  Fuel saving from trim optimization (dynamic trim software) - typically 1–3 % of fuel over a year when used consistently.

• Tuck Effect - Shallow-Water Suction

  Tuck Effect - Shallow-Water Suction - concept summary and example calculation.

• Tug Bollard Pull - Port Selection

  Required bollard pull for assisting a ship at a port - a function of DWT and wind area.

• Tug Bollard Pull Required

  Estimate tug bollard pull needed for a given displacement based on Henn & Dunlop empirical rule used in major ports.

• Tug Line Force - Pivot Moment

  Turning moment generated by a tug pulling at a given position - used to evaluate effectiveness of stern / bow tugs during manoeuvring.

• Turbocharger - Surge Margin

  Turbocharger surge margin - the distance between operating point and surge line on the compressor map.

• Turning Circle - Advance & Tactical Diameter

  Advance and tactical diameter of a ship's 35° turning circle given length and speed, with IMO A.751 pass criteria check.

• Turning Circle - Steady-State Radius

  Steady-state turning-circle radius estimate using simplified Clarke-style formula - quick operational check for port entry.

• Turning Circle Advance & Tactical Diameter

  IMO MSC.137(76) turning-circle criteria: Advance ≤ 4.5 L and Tactical Diameter ≤ 5 L at 35° rudder angle and service speed.

• Two-Body Celestial Fix

  Estimated position-error (covariance-based) of a two-body celestial fix given sight crossing angle and per-sight random error.

• uk ets shipping

  See live calculator aside for regulator URLs.

• Ullage - Thermal Expansion Correction

  Correct observed ullage reading for cargo-to-tank temperature difference using ASTM D1250 volume-correction factor - the fundamental step in ship-to-shore ullage reconciliation.

• Ullage Table - Volume by Trim

  Ullage-table volume lookup with trim correction - the core cargo-measurement step.

• Ullage to GOV via Capacity Table

  Interpolate between two capacity-table entries to turn an ullage into a Gross Observed Volume.

• ULSFO (0.10 %S) - Core Properties

  ULSFO (0.10 %S) reference fuel card - NCV, density, CO₂ factor for energy-budget and emission calculations.

• UN1001 - Acetylene, dissolved (Class 2.1)

  UN1001 Acetylene, dissolved - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1002 - Air, compressed (Class 2.2)

  UN1002 Air, compressed - IMDG Class 2.2. Shipping name, class and placard requirement at a glance.

• UN1005 - Ammonia, anhydrous (Class 2.3)

  UN1005 Ammonia, anhydrous - IMDG Class 2.3. Shipping name, class and packing group at a glance.

• UN1006 - Argon, compressed (Class 2.2)

  UN1006 Argon, compressed - IMDG Class 2.2. Shipping name, class and placard requirement at a glance.

• UN1008 - Boron trifluoride (Class 2.3)

  UN1008 Boron trifluoride - IMDG Class 2.3. Shipping name, class and placard requirement at a glance.

• UN1010 - Butadienes, stabilised (Class 2.1)

  UN1010 Butadienes, stabilised - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1011 - Butane (Class 2.1)

  UN1011 Butane - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1012 - Butylene (Class 2.1)

  UN1012 Butylene - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1013 - Carbon dioxide (Class 2.2)

  UN1013 Carbon dioxide - IMDG Class 2.2. Shipping name, class and placard requirement at a glance.

• UN1016 - Carbon monoxide, compressed (Class 2.3)

  UN1016 Carbon monoxide, compressed - IMDG Class 2.3. Shipping name, class and placard requirement at a glance.

• UN1017 - Chlorine (Class 2.3)

  UN1017 Chlorine - IMDG Class 2.3. Shipping name, class and packing group at a glance.

• UN1018 - Chlorodifluoromethane (Class 2.2)

  UN1018 Chlorodifluoromethane - IMDG Class 2.2. Shipping name, class and placard requirement at a glance.

• UN1020 - Chloropentafluoroethane (Class 2.2)

  UN1020 Chloropentafluoroethane - IMDG Class 2.2. Shipping name, class and placard requirement at a glance.

• UN1021 - 1-Chloro-1,2,2,2-tetrafluoroethane (Class 2.2)

  UN1021 1-Chloro-1,2,2,2-tetrafluoroethane - IMDG Class 2.2. Shipping name, class and placard requirement at a glance.

• UN1022 - Chlorotrifluoromethane (Class 2.2)

  UN1022 Chlorotrifluoromethane - IMDG Class 2.2. Shipping name, class and placard requirement at a glance.

• UN1023 - Coal gas, compressed (Class 2.3)

  UN1023 Coal gas, compressed - IMDG Class 2.3. Shipping name, class and placard requirement at a glance.

• UN1026 - Cyanogen (Class 2.3)

  UN1026 Cyanogen - IMDG Class 2.3. Shipping name, class and placard requirement at a glance.

• UN1027 - Cyclopropane (Class 2.1)

  UN1027 Cyclopropane - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1028 - Dichlorodifluoromethane (R-12) (Class 2.2)

  UN1028 Dichlorodifluoromethane (R-12) - IMDG Class 2.2. Shipping name, class and placard requirement at a glance.

• UN1029 - Dichlorofluoromethane (Class 2.2)

  UN1029 Dichlorofluoromethane - IMDG Class 2.2. Shipping name, class and placard requirement at a glance.

• UN1030 - 1,1-Difluoroethane (Class 2.1)

  UN1030 1,1-Difluoroethane - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1032 - Dimethylamine, anhydrous (Class 2.1)

  UN1032 Dimethylamine, anhydrous - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1033 - Dimethyl ether (Class 2.1)

  UN1033 Dimethyl ether - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1036 - Ethylamine (Class 2.1)

  UN1036 Ethylamine - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1037 - Ethyl chloride (Class 2.1)

  UN1037 Ethyl chloride - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1038 - Ethylene, refrigerated (Class 2.1)

  UN1038 Ethylene, refrigerated - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1039 - Ethyl methyl ether (Class 2.1)

  UN1039 Ethyl methyl ether - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1040 - Ethylene oxide (Class 2.3)

  UN1040 Ethylene oxide - IMDG Class 2.3. Shipping name, class and packing group at a glance.

• UN1041 - Ethylene oxide-carbon dioxide mixture (Class 2.1)

  UN1041 Ethylene oxide-carbon dioxide mixture - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1043 - Fertilizer ammoniating solution (Class 2.2)

  UN1043 Fertilizer ammoniating solution - IMDG Class 2.2. Shipping name, class and placard requirement at a glance.

• UN1044 - Fire extinguishers (Class 2.2)

  UN1044 Fire extinguishers - IMDG Class 2.2. Shipping name, class and placard requirement at a glance.

• UN1045 - Fluorine, compressed (Class 2.3)

  UN1045 Fluorine, compressed - IMDG Class 2.3. Shipping name, class and placard requirement at a glance.

• UN1046 - Helium, compressed (Class 2.2)

  UN1046 Helium, compressed - IMDG Class 2.2. Shipping name, class and placard requirement at a glance.

• UN1048 - Hydrogen bromide, anhydrous (Class 2.3)

  UN1048 Hydrogen bromide, anhydrous - IMDG Class 2.3. Shipping name, class and placard requirement at a glance.

• UN1049 - Hydrogen (Class 2.1)

  UN1049 Hydrogen - IMDG Class 2.1. Shipping name, class and packing group at a glance.

• UN1050 - Hydrogen chloride, anhydrous (Class 2.3)

  UN1050 Hydrogen chloride, anhydrous - IMDG Class 2.3. Shipping name, class and placard requirement at a glance.

• UN1051 - Hydrogen cyanide, stabilised (Class 6.1)

  UN1051 Hydrogen cyanide, stabilised - IMDG Class 6.1. Shipping name, class and placard requirement at a glance.

• UN1052 - Hydrogen fluoride, anhydrous (Class 8)

  UN1052 Hydrogen fluoride, anhydrous - IMDG Class 8. Shipping name, class and placard requirement at a glance.

• UN1053 - Hydrogen sulphide (Class 2.3)

  UN1053 Hydrogen sulphide - IMDG Class 2.3. Shipping name, class and packing group at a glance.

• UN1055 - Isobutylene (Class 2.1)

  UN1055 Isobutylene - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1056 - Krypton, compressed (Class 2.2)

  UN1056 Krypton, compressed - IMDG Class 2.2. Shipping name, class and placard requirement at a glance.

• UN1057 - Lighters or lighter refills (Class 2.1)

  UN1057 Lighters or lighter refills - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1058 - Liquefied gases, non-flammable (Class 2.2)

  UN1058 Liquefied gases, non-flammable - IMDG Class 2.2. Shipping name, class and placard requirement at a glance.

• UN1060 - Methylacetylene / propadiene mix (Class 2.1)

  UN1060 Methylacetylene / propadiene mix - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1061 - Methylamine, anhydrous (Class 2.1)

  UN1061 Methylamine, anhydrous - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1062 - Methyl bromide (Class 2.3)

  UN1062 Methyl bromide - IMDG Class 2.3. Shipping name, class and placard requirement at a glance.

• UN1063 - Methyl chloride (R-40) (Class 2.1)

  UN1063 Methyl chloride (R-40) - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1064 - Methyl mercaptan (Class 2.3)

  UN1064 Methyl mercaptan - IMDG Class 2.3. Shipping name, class and placard requirement at a glance.

• UN1065 - Neon, compressed (Class 2.2)

  UN1065 Neon, compressed - IMDG Class 2.2. Shipping name, class and placard requirement at a glance.

• UN1066 - Nitrogen, compressed (Class 2.2)

  UN1066 Nitrogen, compressed - IMDG Class 2.2. Shipping name, class and placard requirement at a glance.

• UN1067 - Dinitrogen tetroxide (Class 2.3)

  UN1067 Dinitrogen tetroxide - IMDG Class 2.3. Shipping name, class and placard requirement at a glance.

• UN1069 - Nitrosyl chloride (Class 2.3)

  UN1069 Nitrosyl chloride - IMDG Class 2.3. Shipping name, class and placard requirement at a glance.

• UN1070 - Nitrous oxide (Class 2.2)

  UN1070 Nitrous oxide - IMDG Class 2.2. Shipping name, class and placard requirement at a glance.

• UN1071 - Oil gas, compressed (Class 2.3)

  UN1071 Oil gas, compressed - IMDG Class 2.3. Shipping name, class and placard requirement at a glance.

• UN1072 - Oxygen, compressed (Class 2.2)

  UN1072 Oxygen, compressed - IMDG Class 2.2. Shipping name, class and packing group at a glance.

• UN1073 - Oxygen, refrigerated liquid (Class 2.2)

  UN1073 Oxygen, refrigerated liquid - IMDG Class 2.2. Shipping name, class and placard requirement at a glance.

• UN1075 - LPG (Class 2.1)

  UN1075 LPG - IMDG Class 2.1. Shipping name, class and packing group at a glance.

• UN1076 - Phosgene (Class 2.3)

  UN1076 Phosgene - IMDG Class 2.3. Shipping name, class and placard requirement at a glance.

• UN1077 - Propylene (Class 2.1)

  UN1077 Propylene - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1078 - Refrigerant gas, n.o.s. (Class 2.2)

  UN1078 Refrigerant gas, n.o.s. - IMDG Class 2.2. Shipping name, class and placard requirement at a glance.

• UN1079 - Sulphur dioxide (Class 2.3)

  UN1079 Sulphur dioxide - IMDG Class 2.3. Shipping name, class and placard requirement at a glance.

• UN1080 - Sulphur hexafluoride (Class 2.2)

  UN1080 Sulphur hexafluoride - IMDG Class 2.2. Shipping name, class and placard requirement at a glance.

• UN1081 - Tetrafluoroethylene, stabilised (Class 2.1)

  UN1081 Tetrafluoroethylene, stabilised - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1082 - Trifluorochloroethylene, stabilised (Class 2.3)

  UN1082 Trifluorochloroethylene, stabilised - IMDG Class 2.3. Shipping name, class and placard requirement at a glance.

• UN1083 - Trimethylamine, anhydrous (Class 2.1)

  UN1083 Trimethylamine, anhydrous - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1084 - Vinyl chloride, stabilised (Class 2.1)

  UN1084 Vinyl chloride, stabilised - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1085 - Vinyl bromide, stabilised (Class 2.1)

  UN1085 Vinyl bromide, stabilised - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1086 - Vinyl fluoride, stabilised (Class 2.1)

  UN1086 Vinyl fluoride, stabilised - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1087 - Vinyl methyl ether, stabilised (Class 2.1)

  UN1087 Vinyl methyl ether, stabilised - IMDG Class 2.1. Shipping name, class and placard requirement at a glance.

• UN1088 - Acetal (Class 3)

  UN1088 Acetal - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1089 - Acetaldehyde (Class 3)

  UN1089 Acetaldehyde - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1090 - Acetone (Class 3)

  UN1090 Acetone - IMDG Class 3. Shipping name, class and packing group at a glance.

• UN1091 - Acetone oils (Class 3)

  UN1091 Acetone oils - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1092 - Acrolein, stabilised (Class 6.1)

  UN1092 Acrolein, stabilised - IMDG Class 6.1. Shipping name, class and placard requirement at a glance.

• UN1093 - Acrylonitrile, stabilised (Class 3)

  UN1093 Acrylonitrile, stabilised - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1098 - Allyl alcohol (Class 6.1)

  UN1098 Allyl alcohol - IMDG Class 6.1. Shipping name, class and placard requirement at a glance.

• UN1099 - Allyl bromide (Class 3)

  UN1099 Allyl bromide - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1100 - Allyl chloride (Class 3)

  UN1100 Allyl chloride - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1104 - Amyl acetates (Class 3)

  UN1104 Amyl acetates - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1105 - Pentanols (Class 3)

  UN1105 Pentanols - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1106 - Amylamines (Class 3)

  UN1106 Amylamines - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1107 - Amyl chlorides (Class 3)

  UN1107 Amyl chlorides - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1108 - n-Amylene (Class 3)

  UN1108 n-Amylene - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1109 - Amyl formates (Class 3)

  UN1109 Amyl formates - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1110 - n-Amyl methyl ketone (Class 3)

  UN1110 n-Amyl methyl ketone - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1111 - Amyl mercaptan (Class 3)

  UN1111 Amyl mercaptan - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1112 - Amyl nitrate (Class 3)

  UN1112 Amyl nitrate - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1113 - Amyl nitrite (Class 3)

  UN1113 Amyl nitrite - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1114 - Benzene (Class 3)

  UN1114 Benzene - IMDG Class 3. Shipping name, class and packing group at a glance.

• UN1123 - Butyl acetates (Class 3)

  UN1123 Butyl acetates - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1125 - n-Butylamine (Class 3)

  UN1125 n-Butylamine - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1126 - 1-Bromobutane (Class 3)

  UN1126 1-Bromobutane - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1127 - Chlorobutanes (Class 3)

  UN1127 Chlorobutanes - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1128 - n-Butyl formate (Class 3)

  UN1128 n-Butyl formate - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1129 - Butyraldehyde (Class 3)

  UN1129 Butyraldehyde - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1130 - Camphor oil (Class 3)

  UN1130 Camphor oil - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1131 - Carbon disulphide (Class 3)

  UN1131 Carbon disulphide - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1133 - Adhesives containing flammable liquid (Class 3)

  UN1133 Adhesives containing flammable liquid - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1134 - Chlorobenzene (Class 3)

  UN1134 Chlorobenzene - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1135 - Ethylene chlorohydrin (Class 6.1)

  UN1135 Ethylene chlorohydrin - IMDG Class 6.1. Shipping name, class and placard requirement at a glance.

• UN1136 - Coal tar distillates, flammable (Class 3)

  UN1136 Coal tar distillates, flammable - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1139 - Coating solution (Class 3)

  UN1139 Coating solution - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1143 - Crotonaldehyde (Class 6.1)

  UN1143 Crotonaldehyde - IMDG Class 6.1. Shipping name, class and placard requirement at a glance.

• UN1144 - Crotonylene (Class 3)

  UN1144 Crotonylene - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1145 - Cyclohexane (Class 3)

  UN1145 Cyclohexane - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1146 - Cyclopentane (Class 3)

  UN1146 Cyclopentane - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1147 - Decahydronaphthalene (Class 3)

  UN1147 Decahydronaphthalene - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1148 - Diacetone alcohol (Class 3)

  UN1148 Diacetone alcohol - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1149 - Dibutyl ethers (Class 3)

  UN1149 Dibutyl ethers - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1150 - 1,2-Dichloroethylene (Class 3)

  UN1150 1,2-Dichloroethylene - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1152 - Dichloropentanes (Class 3)

  UN1152 Dichloropentanes - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1153 - Ethylene glycol diethyl ether (Class 3)

  UN1153 Ethylene glycol diethyl ether - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1154 - Diethylamine (Class 3)

  UN1154 Diethylamine - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1155 - Diethyl ether (Class 3)

  UN1155 Diethyl ether - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1156 - Diethyl ketone (Class 3)

  UN1156 Diethyl ketone - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1157 - Diisobutyl ketone (Class 3)

  UN1157 Diisobutyl ketone - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1158 - Diisopropylamine (Class 3)

  UN1158 Diisopropylamine - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1159 - Diisopropyl ether (Class 3)

  UN1159 Diisopropyl ether - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1160 - Dimethylamine solution (Class 3)

  UN1160 Dimethylamine solution - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1161 - Dimethyl carbonate (Class 3)

  UN1161 Dimethyl carbonate - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1162 - Dimethyldichlorosilane (Class 3)

  UN1162 Dimethyldichlorosilane - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1163 - Dimethylhydrazine, unsymmetrical (Class 6.1)

  UN1163 Dimethylhydrazine, unsymmetrical - IMDG Class 6.1. Shipping name, class and placard requirement at a glance.

• UN1164 - Dimethyl sulphide (Class 3)

  UN1164 Dimethyl sulphide - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1165 - Dioxane (Class 3)

  UN1165 Dioxane - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1166 - Dioxolane (Class 3)

  UN1166 Dioxolane - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1167 - Divinyl ether, stabilised (Class 3)

  UN1167 Divinyl ether, stabilised - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1169 - Extracts, aromatic, liquid (Class 3)

  UN1169 Extracts, aromatic, liquid - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1170 - Ethanol (Class 3)

  UN1170 Ethanol - IMDG Class 3. Shipping name, class and packing group at a glance.

• UN1171 - Ethylene glycol monoethyl ether (Class 3)

  UN1171 Ethylene glycol monoethyl ether - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1172 - Ethylene glycol monoethyl ether acetate (Class 3)

  UN1172 Ethylene glycol monoethyl ether acetate - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1173 - Ethyl acetate (Class 3)

  UN1173 Ethyl acetate - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1175 - Ethylbenzene (Class 3)

  UN1175 Ethylbenzene - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1176 - Ethyl borate (Class 3)

  UN1176 Ethyl borate - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1177 - Ethylbutyl acetate (Class 3)

  UN1177 Ethylbutyl acetate - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1178 - 2-Ethylbutyraldehyde (Class 3)

  UN1178 2-Ethylbutyraldehyde - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1179 - Ethyl butyl ether (Class 3)

  UN1179 Ethyl butyl ether - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1180 - Ethyl butyrate (Class 3)

  UN1180 Ethyl butyrate - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1181 - Ethyl chloroacetate (Class 6.1)

  UN1181 Ethyl chloroacetate - IMDG Class 6.1. Shipping name, class and placard requirement at a glance.

• UN1182 - Ethyl chloroformate (Class 6.1)

  UN1182 Ethyl chloroformate - IMDG Class 6.1. Shipping name, class and placard requirement at a glance.

• UN1183 - Ethyldichlorosilane (Class 4.3)

  UN1183 Ethyldichlorosilane - IMDG Class 4.3. Shipping name, class and placard requirement at a glance.

• UN1184 - Ethylene dichloride (1,2-DCE) (Class 3)

  UN1184 Ethylene dichloride (1,2-DCE) - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1185 - Ethyleneimine, stabilised (Class 6.1)

  UN1185 Ethyleneimine, stabilised - IMDG Class 6.1. Shipping name, class and placard requirement at a glance.

• UN1188 - Ethylene glycol monomethyl ether (Class 3)

  UN1188 Ethylene glycol monomethyl ether - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1189 - Ethylene glycol monomethyl ether acetate (Class 3)

  UN1189 Ethylene glycol monomethyl ether acetate - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1191 - Octyl aldehydes (Class 3)

  UN1191 Octyl aldehydes - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1192 - Ethyl lactate (Class 3)

  UN1192 Ethyl lactate - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1193 - Ethyl methyl ketone (MEK) (Class 3)

  UN1193 Ethyl methyl ketone (MEK) - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1194 - Ethyl nitrite solution (Class 3)

  UN1194 Ethyl nitrite solution - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1195 - Ethyl propionate (Class 3)

  UN1195 Ethyl propionate - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1196 - Ethyltrichlorosilane (Class 3)

  UN1196 Ethyltrichlorosilane - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1197 - Extracts, flavouring, liquid (Class 3)

  UN1197 Extracts, flavouring, liquid - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1198 - Formaldehyde solutions, flammable (Class 3)

  UN1198 Formaldehyde solutions, flammable - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1199 - Furaldehydes (Class 6.1)

  UN1199 Furaldehydes - IMDG Class 6.1. Shipping name, class and placard requirement at a glance.

• UN1201 - Fusel oil (Class 3)

  UN1201 Fusel oil - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1202 - Diesel fuel (UN2760) (Class 3)

  UN1202 Diesel fuel (UN2760) - IMDG Class 3. Shipping name, class and packing group at a glance.

• UN1203 - Gasoline (Class 3)

  UN1203 Gasoline - IMDG Class 3. Shipping name, class and packing group at a glance.

• UN1204 - Nitroglycerin, ethanol solution (Class 3)

  UN1204 Nitroglycerin, ethanol solution - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1206 - Heptanes (Class 3)

  UN1206 Heptanes - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1207 - Hexaldehyde (Class 3)

  UN1207 Hexaldehyde - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1208 - Hexanes (Class 3)

  UN1208 Hexanes - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1210 - Printing ink, flammable (Class 3)

  UN1210 Printing ink, flammable - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1212 - Isobutanol (Class 3)

  UN1212 Isobutanol - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1213 - Isobutyl acetate (Class 3)

  UN1213 Isobutyl acetate - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1214 - Isobutylamine (Class 3)

  UN1214 Isobutylamine - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1216 - Isooctenes (Class 3)

  UN1216 Isooctenes - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1218 - Isoprene, stabilised (Class 3)

  UN1218 Isoprene, stabilised - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1219 - Isopropanol (Class 3)

  UN1219 Isopropanol - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1220 - Isopropyl acetate (Class 3)

  UN1220 Isopropyl acetate - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1221 - Isopropylamine (Class 3)

  UN1221 Isopropylamine - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1222 - Isopropyl nitrate (Class 3)

  UN1222 Isopropyl nitrate - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1223 - Kerosene (Class 3)

  UN1223 Kerosene - IMDG Class 3. Shipping name, class and packing group at a glance.

• UN1224 - Ketones, liquid, n.o.s. (Class 3)

  UN1224 Ketones, liquid, n.o.s. - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1228 - Mercaptan mixture, liquid, flammable (Class 3)

  UN1228 Mercaptan mixture, liquid, flammable - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1229 - Mesityl oxide (Class 3)

  UN1229 Mesityl oxide - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1230 - Methanol (Class 3)

  UN1230 Methanol - IMDG Class 3. Shipping name, class and packing group at a glance.

• UN1231 - Methyl acetate (Class 3)

  UN1231 Methyl acetate - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1233 - Methylamyl acetate (Class 3)

  UN1233 Methylamyl acetate - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1234 - Methylal (Class 3)

  UN1234 Methylal - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1235 - Methylamine, aqueous solution (Class 3)

  UN1235 Methylamine, aqueous solution - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1237 - Methyl butyrate (Class 3)

  UN1237 Methyl butyrate - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1238 - Methyl chloroformate (Class 6.1)

  UN1238 Methyl chloroformate - IMDG Class 6.1. Shipping name, class and placard requirement at a glance.

• UN1239 - Methyl chloromethyl ether (Class 6.1)

  UN1239 Methyl chloromethyl ether - IMDG Class 6.1. Shipping name, class and placard requirement at a glance.

• UN1242 - Methyldichlorosilane (Class 4.3)

  UN1242 Methyldichlorosilane - IMDG Class 4.3. Shipping name, class and placard requirement at a glance.

• UN1243 - Methyl formate (Class 3)

  UN1243 Methyl formate - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1244 - Methylhydrazine (Class 6.1)

  UN1244 Methylhydrazine - IMDG Class 6.1. Shipping name, class and placard requirement at a glance.

• UN1245 - Methyl isobutyl ketone (MIBK) (Class 3)

  UN1245 Methyl isobutyl ketone (MIBK) - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1246 - Methyl isopropenyl ketone, stabilised (Class 3)

  UN1246 Methyl isopropenyl ketone, stabilised - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1247 - Methyl methacrylate monomer, stabilised (Class 3)

  UN1247 Methyl methacrylate monomer, stabilised - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1248 - Methyl propionate (Class 3)

  UN1248 Methyl propionate - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1249 - Methyl propyl ketone (Class 3)

  UN1249 Methyl propyl ketone - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1250 - Methyltrichlorosilane (Class 3)

  UN1250 Methyltrichlorosilane - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1251 - Methyl vinyl ketone, stabilised (Class 6.1)

  UN1251 Methyl vinyl ketone, stabilised - IMDG Class 6.1. Shipping name, class and placard requirement at a glance.

• UN1259 - Nickel carbonyl (Class 6.1)

  UN1259 Nickel carbonyl - IMDG Class 6.1. Shipping name, class and placard requirement at a glance.

• UN1261 - Nitromethane (Class 3)

  UN1261 Nitromethane - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1262 - Octanes (Class 3)

  UN1262 Octanes - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1263 - Paint (Class 3)

  UN1263 Paint - IMDG Class 3. Shipping name, class and packing group at a glance.

• UN1264 - Paraldehyde (Class 3)

  UN1264 Paraldehyde - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1265 - Pentanes (Class 3)

  UN1265 Pentanes - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1266 - Perfumery products, flammable (Class 3)

  UN1266 Perfumery products, flammable - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1267 - Petroleum crude oil (Class 3)

  UN1267 Petroleum crude oil - IMDG Class 3. Shipping name, class and packing group at a glance.

• UN1268 - Petroleum distillates, nos (Class 3)

  UN1268 Petroleum distillates, nos - IMDG Class 3. Shipping name, class and packing group at a glance.

• UN1270 - Petroleum oil (Class 3)

  UN1270 Petroleum oil - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1271 - Petroleum spirit (Class 3)

  UN1271 Petroleum spirit - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1272 - Pine oil (Class 3)

  UN1272 Pine oil - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1274 - n-Propanol (Class 3)

  UN1274 n-Propanol - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1275 - Propionaldehyde (Class 3)

  UN1275 Propionaldehyde - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1276 - n-Propyl acetate (Class 3)

  UN1276 n-Propyl acetate - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1277 - Propylamine (Class 3)

  UN1277 Propylamine - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1278 - 1-Chloropropane (Class 3)

  UN1278 1-Chloropropane - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1279 - 1,2-Dichloropropane (Class 3)

  UN1279 1,2-Dichloropropane - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1280 - Propylene oxide (Class 3)

  UN1280 Propylene oxide - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1281 - Propyl formates (Class 3)

  UN1281 Propyl formates - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1282 - Pyridine (Class 3)

  UN1282 Pyridine - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1286 - Rosin oil (Class 3)

  UN1286 Rosin oil - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1287 - Rubber solution (Class 3)

  UN1287 Rubber solution - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1288 - Shale oil (Class 3)

  UN1288 Shale oil - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1289 - Sodium methylate solution (Class 3)

  UN1289 Sodium methylate solution - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1292 - Tetraethyl silicate (Class 3)

  UN1292 Tetraethyl silicate - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1293 - Tinctures, medicinal (Class 3)

  UN1293 Tinctures, medicinal - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1294 - Toluene (Class 3)

  UN1294 Toluene - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1295 - Trichlorosilane (Class 4.3)

  UN1295 Trichlorosilane - IMDG Class 4.3. Shipping name, class and placard requirement at a glance.

• UN1296 - Triethylamine (Class 3)

  UN1296 Triethylamine - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1297 - Trimethylamine, aqueous solution (Class 3)

  UN1297 Trimethylamine, aqueous solution - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1298 - Trimethylchlorosilane (Class 3)

  UN1298 Trimethylchlorosilane - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1299 - Turpentine (Class 3)

  UN1299 Turpentine - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1300 - Turpentine substitute (Class 3)

  UN1300 Turpentine substitute - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1301 - Vinyl acetate, stabilised (Class 3)

  UN1301 Vinyl acetate, stabilised - IMDG Class 3. Shipping name, class and placard requirement at a glance.

• UN1361 - Carbon (animal, vegetable origin) (Class 4.2)

  UN1361 Carbon (animal, vegetable origin) - IMDG Class 4.2. Shipping name, class and packing group at a glance.

• UN1381 - Phosphorus, yellow (Class 4.2)

  UN1381 Phosphorus, yellow - IMDG Class 4.2. Shipping name, class and packing group at a glance.

• UN1428 - Sodium metal (Class 4.3)

  UN1428 Sodium metal - IMDG Class 4.3. Shipping name, class and packing group at a glance.

• UN1463 - Chromium trioxide, anhydrous (Class 5.1)

  UN1463 Chromium trioxide, anhydrous - IMDG Class 5.1. Shipping name, class and packing group at a glance.

• UN1486 - Potassium nitrate (Class 5.1)

  UN1486 Potassium nitrate - IMDG Class 5.1. Shipping name, class and packing group at a glance.

• UN1498 - Sodium nitrate (Class 5.1)

  UN1498 Sodium nitrate - IMDG Class 5.1. Shipping name, class and packing group at a glance.

• UN1579 - 4-Chloro-o-toluidine hydrochloride (Class 6.1)

  UN1579 4-Chloro-o-toluidine hydrochloride - IMDG Class 6.1. Shipping name, class and packing group at a glance.

• UN1654 - Nicotine (Class 6.1)

  UN1654 Nicotine - IMDG Class 6.1. Shipping name, class and packing group at a glance.

• UN1710 - Trichloroethylene (Class 6.1)

  UN1710 Trichloroethylene - IMDG Class 6.1. Shipping name, class and packing group at a glance.

• UN1760 - Corrosive liquid, nos (Class 8)

  UN1760 Corrosive liquid, nos - IMDG Class 8. Shipping name, class and packing group at a glance.

• UN1788 - Hydrobromic acid (Class 8)

  UN1788 Hydrobromic acid - IMDG Class 8. Shipping name, class and packing group at a glance.

• UN1789 - Hydrochloric acid (Class 8)

  UN1789 Hydrochloric acid - IMDG Class 8. Shipping name, class and packing group at a glance.

• UN1791 - Hypochlorite solution (Class 8)

  UN1791 Hypochlorite solution - IMDG Class 8. Shipping name, class and packing group at a glance.

• UN1805 - Phosphoric acid, solution (Class 8)

  UN1805 Phosphoric acid, solution - IMDG Class 8. Shipping name, class and packing group at a glance.

• UN1823 - Sodium hydroxide, solid (Class 8)

  UN1823 Sodium hydroxide, solid - IMDG Class 8. Shipping name, class and packing group at a glance.

• UN1824 - Sodium hydroxide solution (Class 8)

  UN1824 Sodium hydroxide solution - IMDG Class 8. Shipping name, class and packing group at a glance.

• UN1830 - Sulphuric acid, > 51% (Class 8)

  UN1830 Sulphuric acid, > 51% - IMDG Class 8. Shipping name, class and packing group at a glance.

• UN1888 - Chloroform (Class 6.1)

  UN1888 Chloroform - IMDG Class 6.1. Shipping name, class and packing group at a glance.

• UN1950 - Aerosols (Class 2.1)

  UN1950 Aerosols - IMDG Class 2.1. Shipping name, class and packing group at a glance.

• UN1951 - Argon, refrigerated liquid (Class 2.2)

  UN1951 Argon, refrigerated liquid - IMDG Class 2.2. Shipping name, class and packing group at a glance.

• UN1963 - Helium, refrigerated liquid (Class 2.2)

  UN1963 Helium, refrigerated liquid - IMDG Class 2.2. Shipping name, class and packing group at a glance.

• UN1965 - Hydrocarbon gas mix liquefied, nos (Class 2.1)

  UN1965 Hydrocarbon gas mix liquefied, nos - IMDG Class 2.1. Shipping name, class and packing group at a glance.

• UN1972 - Methane, refrigerated liquid (LNG) (Class 2.1)

  UN1972 Methane, refrigerated liquid (LNG) - IMDG Class 2.1. Shipping name, class and packing group at a glance.

• UN1977 - Nitrogen, refrigerated liquid (Class 2.2)

  UN1977 Nitrogen, refrigerated liquid - IMDG Class 2.2. Shipping name, class and packing group at a glance.

• UN1978 - Propane (Class 2.1)

  UN1978 Propane - IMDG Class 2.1. Shipping name, class and packing group at a glance.

• UN1990 - Benzaldehyde (Class 9)

  UN1990 Benzaldehyde - IMDG Class 9. Shipping name, class and packing group at a glance.

• UN2014 - Hydrogen peroxide, 20-60% (Class 5.1)

  UN2014 Hydrogen peroxide, 20-60% - IMDG Class 5.1. Shipping name, class and packing group at a glance.

• UN2015 - Hydrogen peroxide, >60% (Class 5.1)

  UN2015 Hydrogen peroxide, >60% - IMDG Class 5.1. Shipping name, class and packing group at a glance.

• UN2055 - Styrene monomer (Class 3)

  UN2055 Styrene monomer - IMDG Class 3. Shipping name, class and packing group at a glance.

• UN2187 - Carbon dioxide, refrigerated liquid (Class 2.2)

  UN2187 Carbon dioxide, refrigerated liquid - IMDG Class 2.2. Shipping name, class and packing group at a glance.

• UN2209 - Formaldehyde solutions, 37-50 % (Class 8)

  UN2209 Formaldehyde solutions, 37-50 % - IMDG Class 8. Shipping name, class and packing group at a glance.

• UN2249 - Dichlorodimethyl ether (Class 6.1)

  UN2249 Dichlorodimethyl ether - IMDG Class 6.1. Shipping name, class and packing group at a glance.

• UN2304 - Naphthalene, molten (Class 4.1)

  UN2304 Naphthalene, molten - IMDG Class 4.1. Shipping name, class and packing group at a glance.

• UN2362 - 1,1-Dichloroethane (Class 3)

  UN2362 1,1-Dichloroethane - IMDG Class 3. Shipping name, class and packing group at a glance.

• UN2448 - Sulphur, molten (Class 4.1)

  UN2448 Sulphur, molten - IMDG Class 4.1. Shipping name, class and packing group at a glance.

• UN2481 - Ethyl isocyanate (Class 6.1)

  UN2481 Ethyl isocyanate - IMDG Class 6.1. Shipping name, class and packing group at a glance.

• UN2489 - 4,4'-Methylene bis(phenyl isocyanate) (MDI) (Class 9)

  UN2489 4,4'-Methylene bis(phenyl isocyanate) (MDI) - IMDG Class 9. Shipping name, class and packing group at a glance.

• UN2643 - Methyl bromoacetate (Class 6.1)

  UN2643 Methyl bromoacetate - IMDG Class 6.1. Shipping name, class and packing group at a glance.

• UN2672 - Ammonia solutions (10-35%) (Class 8)

  UN2672 Ammonia solutions (10-35%) - IMDG Class 8. Shipping name, class and packing group at a glance.

• UN2796 - Sulphuric acid battery fluid (Class 8)

  UN2796 Sulphuric acid battery fluid - IMDG Class 8. Shipping name, class and packing group at a glance.

• UN2814 - Infectious substance, affecting humans (Class 6.2)

  UN2814 Infectious substance, affecting humans - IMDG Class 6.2. Shipping name, class and packing group at a glance.

• UN2900 - Infectious substance, affecting animals (Class 6.2)

  UN2900 Infectious substance, affecting animals - IMDG Class 6.2. Shipping name, class and packing group at a glance.

• UN2912 - Radioactive material, LSA-I (Class 7)

  UN2912 Radioactive material, LSA-I - IMDG Class 7. Shipping name, class and packing group at a glance.

• UN2977 - Radioactive material, uranium hexafluoride (Class 7)

  UN2977 Radioactive material, uranium hexafluoride - IMDG Class 7. Shipping name, class and packing group at a glance.

• UN3077 - Environmentally hazardous substance, solid (Class 9)

  UN3077 Environmentally hazardous substance, solid - IMDG Class 9. Shipping name, class and packing group at a glance.

• UN3082 - Environmentally hazardous substance, liquid (Class 9)

  UN3082 Environmentally hazardous substance, liquid - IMDG Class 9. Shipping name, class and packing group at a glance.

• UN3090 - Lithium metal batteries (Class 9)

  UN3090 Lithium metal batteries - IMDG Class 9. Shipping name, class and packing group at a glance.

• UN3091 - Lithium metal batteries in equipment (Class 9)

  UN3091 Lithium metal batteries in equipment - IMDG Class 9. Shipping name, class and packing group at a glance.

• UN3166 - Vehicles (flammable gas or liquid) (Class 9)

  UN3166 Vehicles (flammable gas or liquid) - IMDG Class 9. Shipping name, class and packing group at a glance.

• UN3175 - Solids containing flammable liquid, nos (Class 4.1)

  UN3175 Solids containing flammable liquid, nos - IMDG Class 4.1. Shipping name, class and packing group at a glance.

• UN3257 - Elevated temperature liquid, nos (Class 9)

  UN3257 Elevated temperature liquid, nos - IMDG Class 9. Shipping name, class and packing group at a glance.

• UN3295 - Hydrocarbons liquid, nos (Class 3)

  UN3295 Hydrocarbons liquid, nos - IMDG Class 3. Shipping name, class and packing group at a glance.

• UN3375 - Ammonium nitrate emulsion (Class 5.1)

  UN3375 Ammonium nitrate emulsion - IMDG Class 5.1. Shipping name, class and packing group at a glance.

• UN3480 - Lithium-ion batteries (Class 9)

  UN3480 Lithium-ion batteries - IMDG Class 9. Shipping name, class and packing group at a glance.

• UN3481 - Lithium-ion batteries in equipment (Class 9)

  UN3481 Lithium-ion batteries in equipment - IMDG Class 9. Shipping name, class and packing group at a glance.

• UN3498 - Iodine monobromide (Class 8)

  UN3498 Iodine monobromide - IMDG Class 8. Shipping name, class and packing group at a glance.

• Under-Keel Clearance (UKC)

  Net UKC = charted depth + tide − draft − squat − wave allowance − safety margin. The fundamental pilot-card number.

• UPS - Battery Runtime

  UPS battery runtime from battery Ah, system efficiency, and load - standard redundancy check for critical-load continuity.

• US Gallons to Litres

  Convert USgal to l using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• US gpm to m³/h

  Convert USgpm to m³/h using the internationally-agreed conversion factor - the bridge between metric and Imperial marine units.

• USCG 46 CFR 162.060 - USCG BWMS approval

  USCG 46 CFR 162.060 test method - USCG BWMS approval. Common lab test used for marine water quality assessment.

• USP <85> - Bacterial endotoxin test

  USP <85> test method - Bacterial endotoxin test. Common lab test used for marine water quality assessment.

• UTM - Thickness Coverage by Age

  UTM scope expected by class per IACS UR Z13 age-based plan.

• UV Dose for BWMS

  UV dose (mJ/cm²) delivered by a BWMS reactor at a given flow and lamp power, with UV transmittance correction.

• UV Dose for Potable Water

  Required UV-C dose 40 mJ/cm² at 254 nm per WHO drinking-water guideline for log-4 viral inactivation.

• Valencia (ES) - Port Card

  Valencia, ES - annual throughput ~140,000 TEU, max draft 15 m. West Med.

• Vancouver (CA) - Port Card

  Vancouver, CA - annual throughput ~120,000 TEU, max draft 18 m. BC Pacific.

• Vapor Return - Rate vs Load Rate

  Vapor-return gas volume during loading - matches the liquid load rate corrected for tank ullage temperature, used to size VECS manifold.

• VDR - Recording Duration

  VDR data-recording duration check - minimum 12 h full data + 48 h tamper-evident fixed capsule per MSC.333(90).

• Vessel - Fair Market Value (FMV)

  Vessel FMV from Clarksons / VesselsValue style - DWT × age-scaled benchmark price.

• Vessel Experience Factor (VEF)

  Average ratio of ship-measured quantity to B/L quantity across the last 25 voyages - the correction applied to future loaded quantities during custody transfer.

• Vessel Lay-Up - Daily Cost

  Cold / warm lay-up daily OPEX benchmark - the floor for keeping vessel ready for reactivation.

• VFD - Motor Drive Rating

  Variable-Frequency Drive rating for a given motor - drive current rated ≥ motor full-load current × 1.1 with overload headroom.

• VFD Energy Saving - Cube-Law Pump

  Energy saved when a centrifugal pump or fan is speed-controlled instead of throttled. Affinity P ∝ N³ makes small speed reductions huge energy wins.

• VFD Harmonic TDD Screen (IEEE 519)

  Voltage and current THD limits for a non-linear load at its point of common coupling, per IEEE 519 table 1 / table 2.

• Viscosity Index (ASTM D2270)

  Single-number rating of how much viscosity changes with temperature; high VI oils (≥ 100) stay fluid at low temperature and film-protective at high temperature.

• VLSFO (0.50 %S) - Core Properties

  VLSFO (0.50 %S) reference fuel card - NCV, density, CO₂ factor for energy-budget and emission calculations.

• VOC from Crude Tanker Loading

  Vapour Emission Control Systems (VECS) reduce $F_\text{VOC}$ by 90 %+.

• VOC Management - MARPOL VI Reg 15 Check

  VOC management plan compliance for crude-oil tankers per MARPOL Annex VI Reg. 15 - applies to tankers ≥ 8,000 dwt from 2010.

• Voltage Drop - Cable Run

  Cable voltage drop (three-phase) over a given run length using resistance per km and load current - the basic sizing check per IEC 60092-352.

• Voltage-Restrained Overcurrent (ANSI 51V)

  Generator back-up overload relay whose pickup scales with measured bus voltage. Pickup_applied = Pickup_base · (V_actual / V_rated)^n.

• Volvo Penta D13-800 - MCR per Cylinder

  Volvo Penta D13-800 engine card: 597 kW per cylinder at 2300 rpm, SFOC 205 g/kWh.

• Volvo Penta D16 IPS-900 - MCR per Cylinder

  Volvo Penta D16 IPS-900 engine card: 671 kW per cylinder at 2300 rpm, SFOC 202 g/kWh.

• Volvo Penta D16 MH/MG - MCR per Cylinder

  Volvo Penta D16 MH/MG engine card: 600 kW per cylinder at 1800 rpm, SFOC 200 g/kWh.

• Voyage Fuel & CO₂

  Single-voyage fuel and CO₂ from engine-load × hours × SFOC × Cf.

• Voyage profit estimator

  Net voyage profit from freight, fuel, port costs, demurrage and despatch.

• VTS - Standard Message

  VTS - Standard Message - concept summary and example calculation.

• Wageningen B-series Propeller

  Open-water propeller performance from the classic MARIN Wageningen B-series regression. The workhorse first-pass tool for screw-propeller selection.

• Wake Fraction - Taylor Approximation

  Wake fraction estimate using Taylor's empirical relationship with block coefficient - preliminary propeller-design input when model-test data is unavailable.

• Wake Fraction (Harvald 1983)

  Closed-form Harvald estimate of the Taylor wake fraction w from block coefficient - single- and twin-screw variants.

• Wake Fraction & Thrust Deduction

  Hull–propeller interaction factors $w$, $t$ and the hull efficiency $\eta_H = (1-t)/(1-w)$ that completes the propulsive-coefficient chain.

• Wall-Sided Formula - Heel vs GZ

  Wall-sided (Atwood) approximation for GZ at moderate heel - quick check before rigorous cross-curve integration.

• Wall-Wash Chloride Check

  Detect chloride contamination in cleaned tanks via silver-nitrate reaction. Threshold: 1 ppm (1 mg/L) for methanol / ultra-clean cargo.

• Walther Viscosity–Temperature Equation

  Predict viscosity at any temperature given two reference viscosities using the ASTM D341 (Walther) relation.

• War Risk - Additional Premium

  War-risk additional premium (Additional-war-risk-premium, AWRP) for transit through Joint War Committee Listed Areas.

• Wärtsilä 20DF - MCR per Cylinder

  Wärtsilä 20DF engine card: 220 kW per cylinder at 900 rpm, SFOC 186 g/kWh.

• Wärtsilä 31DF - MCR per Cylinder

  Wärtsilä 31DF engine card: 580 kW per cylinder at 720 rpm, SFOC 183 g/kWh.

• Wärtsilä 31SG - MCR per Cylinder

  Wärtsilä 31SG engine card: 500 kW per cylinder at 750 rpm, SFOC 183 g/kWh.

• Wärtsilä 32DF - MCR per Cylinder

  Wärtsilä 32DF engine card: 540 kW per cylinder at 750 rpm, SFOC 186 g/kWh.

• Wärtsilä 46DF - MCR per Cylinder

  Wärtsilä 46DF engine card: 1150 kW per cylinder at 600 rpm, SFOC 180 g/kWh.

• Wärtsilä 46TS - MCR per Cylinder

  Wärtsilä 46TS engine card: 1150 kW per cylinder at 600 rpm, SFOC 180 g/kWh.

• Wärtsilä W14 - MCR per Cylinder

  Wärtsilä W14 baseline: 170 kW per cylinder at 1200 rpm, SFOC 190 g/kWh. Compute MCR + fuel for given cylinder count.

• Wärtsilä W20 - MCR per Cylinder

  Wärtsilä W20 baseline: 220 kW per cylinder at 900 rpm, SFOC 186 g/kWh. Compute MCR + fuel for given cylinder count.

• Wärtsilä W31 - MCR per Cylinder

  Wärtsilä W31 baseline: 585 kW per cylinder at 750 rpm, SFOC 184 g/kWh. Compute MCR + fuel for given cylinder count.

• Wärtsilä W32 - MCR per Cylinder

  Wärtsilä W32 baseline: 560 kW per cylinder at 750 rpm, SFOC 183 g/kWh. Compute MCR + fuel for given cylinder count.

• Wärtsilä W46 - MCR per Cylinder

  Wärtsilä W46 baseline: 1150 kW per cylinder at 600 rpm, SFOC 180 g/kWh. Compute MCR + fuel for given cylinder count.

• Wärtsilä W46DF - MCR per Cylinder

  Wärtsilä W46DF baseline: 1150 kW per cylinder at 600 rpm, SFOC 180 g/kWh. Compute MCR + fuel for given cylinder count.

• Wärtsilä W50DF - MCR per Cylinder

  Wärtsilä W50DF baseline: 1060 kW per cylinder at 514 rpm, SFOC 180 g/kWh. Compute MCR + fuel for given cylinder count.

• Wärtsilä Wärtsilä Hi-Flex - MCR per Cylinder

  Wärtsilä Wärtsilä Hi-Flex engine card: 900 kW per cylinder at 720 rpm, SFOC 185 g/kWh.

• Waste-Heat Recovery Credit

  Electrical output from an exhaust-gas WHR system and the auxiliary fuel it displaces. Feeds the EEDI Category-B innovative-technology credit.

• Water Mist - Discharge Rate

  Water-mist discharge rate per FSS Code Ch. 7 - 0.15 L/m²·min machinery space minimum, 25-min duration.

• Water-Spray Density (Engine Room)

  Minimum water-spray application rate for fixed local water-mist / spray per SOLAS II-2 Reg 10.5: 12.5 L/min/m² over the protected area.

• Waterplane Area - Simpson 5-Ordinate

  Waterplane area from 5-station Simpson's integration - the first step for hydrostatic properties.

• Waterplane Area - Simpson's 1st Rule

  Integrate a waterplane or any symmetrical area using Simpson's 1st rule over an odd number of equally-spaced half-breadths.

• Waterplane Area Coefficient (Cwp)

  Ratio of waterplane area to enclosing L × B rectangle - drives TPC and BMt.

• Wave Bending Moment (IACS UR S11)

  IACS UR S11 rule wave-induced bending moments for the North Atlantic reference sea state.

• Wave Encounter Period - Ship Motion Input

  Encounter period Te experienced by a ship at speed V making heading μ relative to waves of period T_w - a governing parameter for resonant rolling.

• Wave Steepness - Encounter Limit

  Maximum wave steepness (H/λ) that a ship can encounter without breaking-wave slamming - operational limit for heavy weather routing.

• Weather Routing - Fuel Savings

  Estimated voyage fuel savings from weather routing (SRA-optimised path) - typically 2-5 % on long ocean passages.

• Weather Routing Savings

  Net fuel saving from optimised track selection through time-varying wind/wave/current, less the extra distance accepted.

• Weather working day calculator

  Convert elapsed hours into weather working hours by subtracting bad-weather time.

• Web Frame - Panel Deflection

  Maximum lateral deflection of a simply-supported plate panel under uniform pressure - the classic rectangular-plate bending solution.

• Web Frame - Required Depth

  Required web-frame depth based on side pressure and span - concept-stage sizing for transverse webs in cargo holds.

• Weibull MTBF

  Weibull distribution mean: MTBF = η · Γ(1 + 1/β). Useful when β ≠ 1 (wear-out or infant-mortality).

• Welding Heat Input

  Arc heat input Q = V·I·60 / (v·1000) - a key control parameter for thick-plate steel welding and hardness prevention.

• Wetted Surface - Mumford Formula

  Wetted-surface estimate for displacement hulls from LWL, T and displacement. Used for quick resistance estimates when offsets are unavailable.

• Wheelhouse - Forward Visibility

  Forward visibility check per SOLAS V Reg. 22 - blind sector ≤ 2 L or 500 m, whichever less.

• WHR Exhaust Economizer - Steam Generation

  Exhaust-gas economizer steam production rate given exhaust mass flow, inlet T, and evaporator pinch-point temperature.

• Wind Resistance

  Air-drag force on a ship's transverse above-water area.

• Wind SOV (Service Operation Vessel) Fuel & CO₂

  Offshore-wind Service Operation Vessels - hotels for technicians with integrated crew-transfer capability. Outside CII scope; industry benchmark is kg CO₂ per technician-day.

• Wind Triangle - True Wind

  Compute true wind from apparent wind and ship course/speed.

• Windlass Pull - Class Rule Minimum

  Minimum continuous pull required of a windlass per IACS UR A1 - a function of anchor mass and chain diameter.

• Wing Sail / Kite Wind Assist

  Thrust power from a rigid wing sail or towing kite installation.

• WinGD RT-flex48T-D - MCR per Cylinder

  WinGD RT-flex48T-D engine card: 2250 kW per cylinder at 124 rpm, SFOC 169 g/kWh.

• WinGD RT-flex58T-D - MCR per Cylinder

  WinGD RT-flex58T-D engine card: 3180 kW per cylinder at 105 rpm, SFOC 167 g/kWh.

• WinGD X35-B - MCR per Cylinder

  WinGD X35-B baseline: 1865 kW per cylinder at 167 rpm, SFOC 164 g/kWh. Compute MCR + fuel for given cylinder count.

• WinGD X35DF-S1.0 - MCR per Cylinder

  WinGD X35DF-S1.0 engine card: 1865 kW per cylinder at 167 rpm, SFOC 157 g/kWh.

• WinGD X40-B - MCR per Cylinder

  WinGD X40-B baseline: 2500 kW per cylinder at 146 rpm, SFOC 163 g/kWh. Compute MCR + fuel for given cylinder count.

• WinGD X40DF-S1.0 - MCR per Cylinder

  WinGD X40DF-S1.0 engine card: 2500 kW per cylinder at 146 rpm, SFOC 156 g/kWh.

• WinGD X52 - MCR per Cylinder

  WinGD X52 baseline: 3220 kW per cylinder at 105 rpm, SFOC 162 g/kWh. Compute MCR + fuel for given cylinder count.

• WinGD X52DF-2.0 - MCR per Cylinder

  WinGD X52DF-2.0 engine card: 3220 kW per cylinder at 105 rpm, SFOC 156 g/kWh.

• WinGD X62 - MCR per Cylinder

  WinGD X62 baseline: 4350 kW per cylinder at 103 rpm, SFOC 161 g/kWh. Compute MCR + fuel for given cylinder count.

• WinGD X62DF-2.0 - MCR per Cylinder

  WinGD X62DF-2.0 engine card: 4350 kW per cylinder at 103 rpm, SFOC 156 g/kWh.

• WinGD X72 - MCR per Cylinder

  WinGD X72 baseline: 5700 kW per cylinder at 89 rpm, SFOC 161 g/kWh. Compute MCR + fuel for given cylinder count.

• WinGD X72DF-2.1 - MCR per Cylinder

  WinGD X72DF-2.1 engine card: 5700 kW per cylinder at 89 rpm, SFOC 156 g/kWh.

• WinGD X82 - MCR per Cylinder

  WinGD X82 baseline: 7150 kW per cylinder at 84 rpm, SFOC 160 g/kWh. Compute MCR + fuel for given cylinder count.

• WinGD X82DF-2.1 - MCR per Cylinder

  WinGD X82DF-2.1 engine card: 7150 kW per cylinder at 84 rpm, SFOC 155 g/kWh.

• WinGD X92 - MCR per Cylinder

  WinGD X92 baseline: 8730 kW per cylinder at 80 rpm, SFOC 159 g/kWh. Compute MCR + fuel for given cylinder count.

• WinGD X92DF - MCR per Cylinder

  WinGD X92DF baseline: 8730 kW per cylinder at 80 rpm, SFOC 158 g/kWh. Compute MCR + fuel for given cylinder count.

• WinGD X92DF-2.1 - MCR per Cylinder

  WinGD X92DF-2.1 engine card: 8730 kW per cylinder at 80 rpm, SFOC 155 g/kWh.

• Wobbe Index

  Wobbe Index WI = HHV / √SG - measure of thermal energy delivered through a fixed orifice. Combustors are rated by Wobbe, not calorific value.

• Worldscale Freight

  Freight = WS rate (points) × WS flat × B/L tonnes / 100. Worldscale flat rate revised annually.

• Yanmar Yanmar 6EY22W - MCR per Cylinder

  Yanmar Yanmar 6EY22W baseline: 400 kW per cylinder at 720 rpm, SFOC 197 g/kWh. Compute MCR + fuel for given cylinder count.

• Yanmar Yanmar 6EY26 - MCR per Cylinder

  Yanmar Yanmar 6EY26 engine card: 1320 kW per cylinder at 720 rpm, SFOC 195 g/kWh.

• Yanmar Yanmar 6HYM-WET - MCR per Cylinder

  Yanmar Yanmar 6HYM-WET engine card: 471 kW per cylinder at 1900 rpm, SFOC 197 g/kWh.

• Yard - BAE Systems Maritime

  BAE Systems Maritime, GB (Glasgow) - Naval. Capacity + typical newbuild segment.

• Yard - Chantiers de l'Atlantique

  Chantiers de l'Atlantique, FR (Saint-Nazaire) - Cruise mega ship. Capacity + typical newbuild segment.

• Yard - COSCO Dalian

  COSCO Dalian, CN (Dalian) - Container + tanker. Capacity + typical newbuild segment.

• Yard - COSCO Nantong

  COSCO Nantong, CN (Nantong) - Bulker. Capacity + typical newbuild segment.

• Yard - COSCO Zhoushan

  COSCO Zhoushan, CN (Zhoushan) - Ship repair + new. Capacity + typical newbuild segment.

• Yard - Damen Shipyards Group

  Damen Shipyards Group, NL (Multiple) - OSV + small ship. Capacity + typical newbuild segment.

• Yard - DSME (Hanwha Ocean)

  DSME (Hanwha Ocean), KR (Okpo) - LNG + Subsea. Capacity + typical newbuild segment.

• Yard - Fincantieri

  Fincantieri, IT (Monfalcone) - Cruise specialist. Capacity + typical newbuild segment.

• Yard - HD Hyundai Heavy Industries

  HD Hyundai Heavy Industries, KR (Ulsan) - Largest by capacity. Capacity + typical newbuild segment.

• Yard - HD Hyundai Mipo

  HD Hyundai Mipo, KR (Ulsan) - Midsize tankers. Capacity + typical newbuild segment.

• Yard - HD Hyundai Samho

  HD Hyundai Samho, KR (Jeonnam) - LNG + bulk. Capacity + typical newbuild segment.

• Yard - Hudong-Zhonghua

  Hudong-Zhonghua, CN (Shanghai) - LNGC + container. Capacity + typical newbuild segment.

• Yard - Huntington Ingalls

  Huntington Ingalls, US (Virginia/Mississippi) - US naval. Capacity + typical newbuild segment.

• Yard - Imabari Shipbuilding

  Imabari Shipbuilding, JP (Imabari) - Bulker Kamsarmax. Capacity + typical newbuild segment.

• Yard - Irving Shipbuilding

  Irving Shipbuilding, CA (Halifax) - Naval. Capacity + typical newbuild segment.

• Yard - Japan Marine United

  Japan Marine United, JP (Multiple) - LNG + Container. Capacity + typical newbuild segment.

• Yard - Jiangnan Shipyard

  Jiangnan Shipyard, CN (Shanghai) - Large container + tanker. Capacity + typical newbuild segment.

• Yard - Jiangsu Yangzijiang

  Jiangsu Yangzijiang, CN (Jiangyin) - Bulker + container. Capacity + typical newbuild segment.

• Yard - Keppel Offshore & Marine

  Keppel Offshore & Marine, SG (Singapore) - Offshore/Rig. Capacity + typical newbuild segment.

• Yard - Meyer Turku

  Meyer Turku, FI (Turku) - Cruise + Ro-Pax. Capacity + typical newbuild segment.

• Yard - Meyer Werft

  Meyer Werft, DE (Papenburg) - Cruise. Capacity + typical newbuild segment.

• Yard - Namura Shipbuilding

  Namura Shipbuilding, JP (Imari) - Bulker. Capacity + typical newbuild segment.

• Yard - Naval Group

  Naval Group, FR (Lorient) - Naval. Capacity + typical newbuild segment.

• Yard - Navantia

  Navantia, ES (Ferrol) - Naval + Offshore. Capacity + typical newbuild segment.

• Yard - New Times CSSC Huangpu

  New Times CSSC Huangpu, CN (Guangzhou) - Ro-ro + naval. Capacity + typical newbuild segment.

• Yard - New Times SB

  New Times SB, CN (Jingjiang) - Bulk + container. Capacity + typical newbuild segment.

• Yard - Oshima Shipbuilding

  Oshima Shipbuilding, JP (Nagasaki) - Bulker. Capacity + typical newbuild segment.

• Yard - Samsung Heavy Industries

  Samsung Heavy Industries, KR (Geoje) - LNGC specialist. Capacity + typical newbuild segment.

• Yard - Sembcorp Marine

  Sembcorp Marine, SG (Singapore) - Offshore/Rig. Capacity + typical newbuild segment.

• Yard - Shanghai Waigaoqiao

  Shanghai Waigaoqiao, CN (Shanghai) - Bulk + container. Capacity + typical newbuild segment.

• Yard - Tsuneishi

  Tsuneishi, JP (Hiroshima) - Tanker + bulker. Capacity + typical newbuild segment.

• Yard - Türkiye Gemi Sanayii

  Türkiye Gemi Sanayii, TR (Istanbul) - Tanker + OSV. Capacity + typical newbuild segment.

• Yard - Ulstein Verft

  Ulstein Verft, NO (Ulsteinvik) - OSV + SOV. Capacity + typical newbuild segment.

• Yard - Vard

  Vard, NO (Multiple) - OSV specialist (Fincantieri). Capacity + typical newbuild segment.

• Yard - Yangzijiang Mitsui

  Yangzijiang Mitsui, CN (Jiangyin) - Tanker + container. Capacity + typical newbuild segment.

• Yokohama (JP) - Port Card

  Yokohama, JP - annual throughput ~135,000 TEU, max draft 14 m. Partner to Tokyo.

• Zig-Zag - Second Overshoot Check

  Second overshoot of a 10°/10° zig-zag compared to the IMO MSC.137(76) criterion - typically limit = first-overshoot limit + 5°.

• Zig-Zag Overshoot - IMO Check

  First overshoot in a 10°/10° zig-zag manoeuvre compared to IMO A.751 / MSC.137(76) pass limits.