When threatened with a severe storm while operating in 250 feet of water, the COASTAL DRILLER should be placed at an air gap of __________.

Correct Answer: Option D — 25 feet

Severe storm preparation for the COASTAL DRILLER requires lowering the hull to a pre-calculated survival air gap of 25 feet. This minimizes wave slam damage to the platform underside while keeping the hull safely elevated above extreme crest heights.