The SS AMERICAN MARINER is ready to sail with the load shown in table ST-0040 below. Use the white pages of The Stability Data Reference Book to determine the available GM.

Correct Answer: Option A — Available GM 4.1 ft

Entering table ST-0040 loading metrics into the stability reference publication yields the calculated vertical center of gravity, establishing the correct available metacentric height (GM) of 4.1 feet for regulatory compliance.