Safety & Environmental Protection (Deck) USCG Question #2277 (Set 70)

The maximum draft of the SS AMERICAN MARINER cannot exceed 30'-01" in order to cross a bar. The present drafts are: FWD 29'-04", AFT 30'-06". Use the white pages of the Stability Data Reference Book to determine the minimum amount of sea water to ballast the forepeak to achieve this condition.

Official USCG Answer & Rule Citation

Correct Answer: Option B — 100 tons

Achieving the maximum allowable draft of 30'-01" for bar clearance from initial drafts requires determining the differential trim using the stability data reference book, which dictates precisely 100 tons of forepeak ballast.

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