Safety & Environmental Protection (Deck) USCG Question #3058 (Set 86)

The sailing drafts are: FWD 24'-03", AFT 25'-03" and the GM is 5.5 feet. Use the information in Section 1, the blue pages of the Stability Data Reference Book, to determine the available righting arm at 30° inclination.

Official USCG Answer & Rule Citation

Correct Answer: Option D — 3.5 feet

Consult the Stability Data Reference Book, Section 1. With a mean draft of 24' 9" and a GM of 5.5 feet, identify the correct stability curve. By locating the 30-degree inclination point on the graph, the corresponding righting arm (GZ) is determined to be 3.5 feet.

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