Deck Rules (Supplementary) USCG Question #2520 (Set 9)

The SS AMERICAN MARINER has the following drafts: FWD 08'-11.5", AFT 15'- 11.5". Upon completion of loading and bunkering the items shown in table ST-0144 below will be on board. Use the white pages of The Stability Data Reference Book to determine the minimum GM required to meet a one compartment standard.

Official USCG Answer & Rule Citation

Correct Answer: Option B — 3.00 feet

Evaluating vessel stability parameters using the Stability Data Reference Book for the SS AMERICAN MARINER involves cross-referencing initial drafts, trim, and deadweight tables ST-0144 to establish the required metacentric height (GM) satisfying the mandatory one-compartment subdivision standard, resulting in a minimum GM of 3.00 feet.

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