46 CFR § 90.10-20
Liftboat
April 15, 2021
Liftboat means an offshore supply vessel with moveable legs capable of raising its hull above the surface of the sea.
[CGD 82-004a, 55 FR 2525, Jan. 25, 1990, as amended by USCG-2014-0688, 79 FR 58282, Sept. 29, 2014]