Question 2633 Deck Safety

70% to pass

Your vessel's drafts are: FWD 24'-06", AFT 25'-04"; and the KG is 22.2 feet. Use the selected stability curves in the blue pages of the Stability Data Reference Book to determine the righting arm at 20° inclination.

A 0.5 foot
B 0.8 foot
C 1.4 feet
D 2.2 feet
AI Explanation

The correct answer is C) 1.4 feet. To determine the righting arm at 20° inclination, you need to use the stability curves provided in the blue pages of the Stability Data Reference Book. Given the vessel's drafts (FWD 24'-06", AFT 25'-04") and the KG of 22.2 feet, you can locate the appropriate stability curve and read the righting arm at 20° inclination, which is 1.4 feet. The other answer choices are incorrect because they do not match the value provided in the stability curves for the given vessel characteristics.

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Official Resources
46 CFR Lifesaving Equipment USCG Marine Safety Center USCG National Maritime Center
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