On the COASTAL DRILLER, a noticeable increase in the level indicator while extracting the legs from the soil indicates __________.
Official USCG Answer & Rule Citation
Correct Answer: Option A — one or two legs are stuck
Extracting mobile offshore drilling unit legs requires balanced upward force. A noticeable load indicator increase shows that suction or seabed friction is holding one or more legs, preventing normal breakout and causing the hull to temporarily bear the jacking system's upward reactive load.
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