While the COASTAL DRILLER is elevated, the out-of-level alarm indicates that hull inclination exceeds 0.3°. What should you do?
Official USCG Answer & Rule Citation
Correct Answer: Option C — Confirm operation of out-of-level alarm.
Standard mobile offshore drilling unit operating procedures dictate that upon receiving an unexpected out-of-level alarm, the crew must first verify sensor accuracy and confirm the actual operation of the alarm before initiating corrective ballasting.
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