Wake-wash risk during pilot boarding - ship speed-height-above-water threshold before ladder unsafe.
Formula
$$ F_n \leq 0.15 \Rightarrow \text{Safe pilot boarding} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $F_n$ | Froude number | - | speed / √gL |
| $L$ | LBP | m | ship particulars |
Sources
- IMO MSC.1/Circ.1428.