Minimum bridge-watchkeeper certification per IMO Polar Code / STCW Ch. V/4 given the ship category (A/B/C) and operating ice concentration.
Formula
$$ \text{Training} = f(\text{Category}, \text{Ice concentration}) $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $Category A$ | Thick first-year ice | - | Polar Code Part I-A |
| $Category B$ | Medium first-year ice | - | Polar Code Part I-A |
| $Category C$ | Open water / light ice | - | Polar Code Part I-A |
Sources
- IMO Polar Code (MSC.385(94)).
- STCW Ch. V/4.