The DEEP DRILLER is level at a draft of 58 feet when there are no environmental forces. What is the value of LCG?
Official USCG Answer & Rule Citation
Correct Answer: Option C — 2.26 feet forward of amidships
Longitudinal center of gravity (LCG) corresponds directly to the longitudinal center of buoyancy when a vessel floats level without external moments. Referencing the DEEP DRILLER hydrostatic curves at a 58-foot draft gives an LCG location of 2.26 feet forward of amidships.
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