Deck General USCG Question #4334 (Set 139)

If the DEEP DRILLER is damaged, the unit is designed to avoid downflooding in wind speeds up to __________.

Official USCG Answer & Rule Citation

Correct Answer: Option A — 50 knots

Stability design criteria for mobile offshore drilling units ensure that damaged units retain sufficient positive stability and avoid progressive downflooding up to specified environmental thresholds, typically 50-knot wind speeds.

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