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Residual GM Check

Quick check of residual metacentric height after damage - SOLAS II-1 Reg 8 requires GM ≥ 0.05 m final.

Damage stability
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Formula, assumptions, and limits

GMresidual=KMdamagedKGnewGM_\text{residual} = KM_\text{damaged} - KG_\text{new}
SymbolMeaningUnit
KMKMDamaged-condition metacentre above keelm
KGKGKG after flooding (moment method)m
GMGMResidual fluid GMm

Source: SOLAS II-1 Reg 8

In short

Quick check of residual metacentric height after damage - SOLAS II-1 Reg 8 requires GM \u2265 0.

Learn the theory Intact stability