46 CFR 170.290 - Free surface correction for damage stability calculations.
(a) When doing the damage stability calculations required by this subchapter, the virtual increase in the vessel's vertical center of gravity due to liquids in tanks must be determined by calculating—
(1) For each type of consumable liquid, the free surface effect of at least one transverse pair of wing tanks or a single centerline tank; and
(b) For the purpose of paragraph (a)(1) of this section, the tank or combination of tanks selected must be those having the greatest free surface effect.
(c) When doing the calculations in paragraph (a) of this section, the free surface effect of a liquid in a tank must be determined by—
Title 46 published on 2013-10-01
no entries appear in the Federal Register after this date.