The COASTAL DRILLER has sufficient reserve stability to overcome damage due to flooding of any one watertight compartment in winds to __________.
Official USCG Answer & Rule Citation
Correct Answer: Option B — 50 knots
Mobile offshore drilling units must comply with stability criteria under 46 CFR. The COASTAL DRILLER is specifically designed and certified to maintain adequate reserve stability and withstand single-compartment flooding in beam or environmental winds up to 50 knots.
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