Required bollard pull for assisting a ship at a port - a function of DWT and wind area.
Formula
$$ BP = \max(DWT / 3000, A_{lat} / 200) $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $BP$ | Bollard pull | t | tug cert |
| $A_{lat}$ | Lateral projected area | m² | GA |
Sources
- ISPO Guidelines.