Safety & Environmental Protection (Deck) USCG Question #2555 (Set 77)

The sailing drafts are: FWD 22'-06", AFT 23'-06" and the GM is 3.3 feet. Use the information in Section 1, the blue pages, of the Stability Data Reference Book, to determine the available righting arm at 22° inclination.

Official USCG Answer & Rule Citation

Correct Answer: Option B — 1.8 feet

Reference to Section 1 blue pages curves for drafts of 22'-06" forward and 23'-06" aft combined with a 3.3-foot metacentric height requires entering the hydrostatic and stability cross-curve tables. Projecting the resulting stability vector to a 22-degree inclination determines a righting arm value of 1.8 feet.

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