The SS AMERICAN MARINER has drafts of: FWD 19'-04", AFT 21'-02". Use the white pages of the Stability Data Reference Book to determine the drafts if you ballast the forepeak with 68 tons of seawater.
Official USCG Answer & Rule Citation
Correct Answer: Option D — FWD 19'-11.1", AFT 20'-09.4"
Ballasting 68 tons of seawater into the forepeak tank shifts longitudinal trim forward. Hydrostatic calculations using the vessel's reference manual determine the exact final drafts as FWD 19'-11.1" and AFT 20'-09.4".
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