Tug Bollard Pull - Port Selection

Required bollard pull for assisting a ship at a port - a function of DWT and wind area.

TugBollard pullSelection

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This calculator requires JavaScript to compute its result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

BP = \max(DWT / 3000, A_{lat} / 200)

Symbol	Meaning	Unit
$BP$	Bollard pull	t
$A_{lat}$	Lateral projected area	m²

Source: ISPO Guidelines

Required bollard pull for assisting a ship at a port - a function of DWT and wind area.