Safety & Environmental Protection (Deck) USCG Question #2684 (Set 81)

A cargo of 75 tons is to be lifted with a boom located 50 feet from the ship's centerline. The ship's displacement including the suspended cargo is 6,000 tons and GM is 6 feet. The list of the ship with the cargo suspended from the boom will be __________.

Official USCG Answer & Rule Citation

Correct Answer: Option C — 5.94°

A suspended weight shifts the effective center of gravity to the suspension point, creating an immediate heeling arm. Using the formula $\text{List} = \arctan(\frac{w \times d}{\Delta \times \text{GM}})$, substituting 75 tons at 50 feet with 6,000 tons displacement and 6 feet GM yields 5.94 degrees.

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