The DEEP DRILLER is operating at the maximum allowable KGT at 60 feet draft. What is the value of GMT?
Official USCG Answer & Rule Citation
Correct Answer: Option D — 4.34 feet
At maximum allowable KGT, the vessel maintains minimum required positive stability. Subtracting the maximum allowable KGT from the transverse metacentric radius (KM) at the 60-foot draft condition establishes the resulting operational transverse metacentric height (GMT) at 4.34 feet.
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