Subdivision - s-Factor (Survival Probability)

Probability of survival s in a damage case based on residual GZ curve - A = Σ (p · s · v) for attained subdivision index.

Subdivisions-factorSOLAS

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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

s = \left[\frac{GZ_{max}}{0.12} \cdot \frac{\text{range}}{16}\right]^{1/4}

Symbol	Meaning	Unit
$GZ_{max}$	Maximum residual righting arm	m
$range$	Range of positive GZ	deg

Source: SOLAS II-1 Reg. 7-2

Probability of survival s in a damage case based on residual GZ curve - A = \u03a3 (p \u00b7 s \u00b7 v) for attained subdivision index.