The maximum draft of the SS AMERICAN MARINER cannot exceed 28'-08" in order to cross a bar. The present drafts are: FWD 28'-00", AFT 29'-00". 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 C — 76.7 tons
To meet the maximum draft limit of 28'-08" for bar transit, trim calculations using the stability data book determine the exact mass of ballast water required in the forepeak, which is exactly 76.7 tons of seawater.
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