Safety & Environmental Protection (Deck) USCG Question #3092 (Set 87)

Your vessel's drafts are: FWD 14'-11", AFT 16'-01"; and the KG is 24.4 feet. What is the righting moment when the vessel is inclined to 30°? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)

Official USCG Answer & Rule Citation

Correct Answer: Option D — 18,240 foot-tons

Mean draft is 15'-06". Using the Stability Data Reference Book, find the displacement for this draft. Apply the GZ value for a 30-degree inclination at a KG of 24.4 feet. The product of displacement and GZ equals 18,240 foot-tons, representing the vessel's static stability at that angle.

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