Reefer Ship CII
CII for conventional reefer ships (specialised refrigerated cargo carriers, not container ships). MEPC.337 refrigerated-cargo reference (a=4600, c=0.557). Tighter d1 (0.78) than bulkers - the reefer-cargo trade is homogenous (bananas, citrus, fish).
Ship & voyage
Fuel
Attained CII
16.030g CO₂ / (dwt·nm)
Required CII
22.372g CO₂ / (dwt·nm)
Rating
A
Major superior performance. No corrective action required.
Formula, assumptions, and limits
Refrigerated cargo d-boundaries: d1=0.78, d2=0.91, d3=1.07, d4=1.20. Reefer ships have been losing ground to reefer containers on most trades - remaining fleet is concentrated in specialised high-value trades (live fish, high-end fruit).