Safety & Environmental Protection (Deck) USCG Question #3060 (Set 86)

The sailing drafts are: FWD 23'-02", AFT 24'-06" and the GM is 2.8 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 B — 2.5 feet

Determine the mean draft from the provided FWD and AFT readings. Refer to the blue pages of the Stability Data Reference Book for the corresponding vessel condition. Extract the righting arm value at 30 degrees inclination, ensuring the GM value is correctly applied to the cross curves of stability.

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