The DEEP DRILLER, at 58.0 feet draft in sea water, places 200 long tons on board. What is the new draft?
Official USCG Answer & Rule Citation
Correct Answer: Option B — 59.45 feet
Applying fresh weight additions to a floating MODU utilizes the unit's hydrostatic TPI (tons per inch immersion) or displacement curves, where adding 200 long tons at a 58.0-foot draft increases the vessel displacement and alters draft to 59.45 feet.
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