Polar - Thermal Protective Aid

Polar Code thermal-protective aid (TPA) requirement - mandatory for lifeboat occupants + each person on survival craft.

PolarTPALSA

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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

N_{TPA} = 1.1 \cdot POB\text{ (polar)}

Symbol	Meaning	Unit
$TPA$	Thermal Protective Aid

Source: Polar Code I-A Ch. 8

Polar Code thermal-protective aid (TPA) requirement - mandatory for lifeboat occupants + each person on survival craft.