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- Q133 - Deck Safety: Stability Problems
119. The sailing drafts are: FWD 22'-08″, AFT 23'-04″ and the GM is 4.6 feet. Use the information in Section 1, the blue pages, of the Stability Data Reference Book, to determine the available righting arm at 20° inclination.
The available righting arm at 20 inclination is determined by using the mean draft to obtain displacement and KM, calculating KG using GM, and applying the formula GZ = KN — KG·sinθ, resulting in a value of 2.1 feet.
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