Beach-Landing Intact Stability Margin

Intact-stability margin for a ro-ro vessel with ramp down on beach - accounting for loss of reserve buoyancy forward.

Beach landingRampStability

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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

GM' = GM_0 - \frac{I_{ramp}}{\Delta}

Symbol	Meaning	Unit
$GM_0$	Intact GM before ramp	m
$I_ramp$	Waterplane opened by ramp	m⁴

Source: SOLAS II-1 Ch. II-1/17

Intact-stability margin for a ro-ro vessel with ramp down on beach - accounting for loss of reserve buoyancy forward.