What are the maximum vertical moments, including free surface moments, permitted on the DEEP DRILLER at a draft of 60 feet if the winds are less than 70 knots?

Correct Answer: Option D — 1,059,885 foot-tons

Operating limitations outlined in the DEEP DRILLER stability manual restrict maximum combined vertical moments and free surface moments based on draft and environmental criteria. At a 60-foot draft with winds under 70 knots, the permissible limit is 1,059,885 foot-tons.