A mobile offshore drilling unit crane certificate is required to be maintained __________.
Official USCG Answer & Rule Citation
Correct Answer: Option A — on the unit
46 CFR 109.521 requires that all crane certificates and load test records be maintained on the MODU. This documentation is essential for the OCMI to verify that lifting equipment is properly certified, maintained, and safe for use during routine drilling and supply operations on the unit.
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