The sailing drafts are: FWD 23'-10", AFT 25'-02" and the GM is 5.3 feet. Use the information in Section 1, the blue pages, of the Stability Data Reference Book, to determine the available righting arm at 18° inclination.

Correct Answer: Option D — 1.9 feet

Mean draft calculations from the forward and aft figures combined with the 5.3 feet GM in the blue pages direct the navigator to the proper cross-curve intersection, yielding a righting arm of 1.9 feet at an 18-degree angle of inclination.