Load-line seasonal mark (S, W, T, F, TF, WNA) applicable for the ship’s voyage - a function of Load Line Zone and date.
Formula
$$ \text{Mark} = f(\text{zone}, \text{date}) $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $Zone$ | Load line zone | - | Load Line Convention 1966 Annex II |
Sources
- Load Line Convention 1966.