Your drafts are: FWD 6'-01", AFT 6'-10". 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 11 tons of deck cargo. How many more tons of cargo can be loaded and still maintain the same trim? See illustration D037DG below.
Official USCG Answer & Rule Citation
Correct Answer: Option B — 12 tons
Assessing remaining cargo capacity requires comparing current drafts against maximum structural limits provided in stability illustrations, calculating available vertical immersion in inches, and applying the vessel's specific weight-per-inch immersion factor.
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