The COASTAL DRILLER, in ocean transit at a draft of 10 feet 0 inches with winds greater than 70 knots, has a KGT of 39.0 feet and a KGL of 38.6 feet. The margin on the maximum allowable KG is __________.

Correct Answer: Option A — 2.6 feet

Ocean transit criteria under severe environmental loading (>70 knot winds) impose stricter maximum allowable KG limits. Subtracting the actual transverse center of gravity height (KGT) of 39.0 feet from the restricted allowable limit for these conditions yields the precise stability margin of 2.6 feet.