The SS AMERICAN MARINER is ready to sail with the load shown in table ST- 0059 below. Use the white pages of The Stability Data Reference Book to determine the available GM.

Correct Answer: Option B — Available GM 3.9 ft

Determining available initial stability involves calculating final vessel displacement, vertical center of gravity, and total free surface corrections. Reference table ST-0059 for the SS AMERICAN MARINER dictates an operational available GM equal to 3.9 feet.