Safety & Environmental Protection (Deck) USCG Question #2236 (Set 68)

Your vessel's drafts are: FWD 23'-10", AFT 26'-00". The LCG of the forepeak is 200 feet forward of amidships. How many tons of ballast must be pumped into the forepeak in order to have a drag of 1 foot? (Use the reference material in Section 1, the blue pages, of the Stability Data Reference Book)

Official USCG Answer & Rule Citation

Correct Answer: Option C — 79 tons

Determining the initial trim from the given drafts and utilizing the vessel's MCTC allows calculation of the precise ballast weight needed in the forepeak to establish a 1-foot drag, yielding 79 tons.

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