Deck General · Stability Definitions
Reserve buoyancy is best described as:
- AThe buoyancy provided by the keel and bilge keels
- BThe watertight volume of the vessel above the waterline✓ Correct
- CThe difference between displacement and deadweight
- DThe metacentric height above the keel
Explanation
Reserve buoyancy is the watertight volume above the waterline that can provide additional buoyancy if the vessel is forced deeper. It is essentially the freeboard volume and decreases as the vessel is loaded deeper.
Authority: Stability & Trim (USCG deck topic)
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