Marine Stability Criteria: DNV_rules
Marine intact and damage stability regulatory criteria from IMO, SOLAS, USCG, ABS, DNV, and ISO standards. Covers GZ righting arm areas, GM minimums, vanishing stability angles, weather criterion area ratios, and maximum heel angles for passenger ships, cargo ships, tankers, fishing vessels, offshore platforms, sailing yachts, and small craft in intact, one-compartment damage, and two-compartment damage conditions.
| criteria source | sk | condition | notes | parameter | required unit | required value (varies) | vessel type |
|---|---|---|---|---|---|---|---|
| DNV_rules | cargo_ship#GM_minimum#intact | intact | DNV minimum GM₀ = 0.150 m. | GM_minimum | m | 0.15 | cargo_ship |
| DNV_rules | cargo_ship#GZ_area_0_to_30#intact | intact | DNV-OS-C301 (Stability and Watertight Integrity) Section 4 adopts IMO IS Code 2008 for intact stability. GZ area 0–30° ≥ 0.055 m·rad. | GZ_area_0_to_30 | m·rad | 0.055 | cargo_ship |
| DNV_rules | cargo_ship#GZ_area_0_to_30#one_compartment_damage | one_compartment_damage | DNV damage stability one-compartment flooding: GZ area ≥ 0.055 m·rad after damage in final equilibrium. | GZ_area_0_to_30 | m·rad | 0.055 | cargo_ship |
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