46 CFR § 173.005
Specific applicability
April 15, 2021
This subpart applies to each vessel that—
(a) Is equipped to lift cargo or other objects; and
(b) Has a maximum heeling moment due to hook load greater than or equal to—
(0.67)(W)(GM)(F/B) in meter-metric tons (foot-long tons), where—
W = displacement of the vessel with the hook load included in metric (long) tons.
GM = metacentric height with hook load included in meters (feet).
F = freeboard to the deck edge amidships in meters (feet).
B = beam in meters (feet).
[CGD 79-023, 48 FR 51045, Nov. 4, 1983, as amended by CGD 85-080, 61 FR 945, Jan. 10, 1996]