Safety & Environmental Protection (Deck) USCG Question #2218 (Set 68)

Your drafts are: FWD 6'-00", AFT 6'-06". From past experience, you know that the vessel will increase her draft 1 inch for every 6 tons loaded. There is rig water on board and 17 tons of deck cargo. How many more tons of cargo can be loaded and still maintain the same trim? See illustration D037DG below.

USCG Exam Illustration D037DG
USCG Examination Diagram: Illustration D037DG
Official USCG Answer & Rule Citation

Correct Answer: Option B — 18 tons

Determining additional cargo capacity requires evaluating the vessel's maximum allowable draft from stability plates, calculating the remaining inches to immersion, and applying the given tons-per-inch ratio while accounting for existing deck weights.

100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.