The term deadweight or DWT means the difference in metric tons between the lightweight displacement and the total displacement of a vessel measured in water of specific gravity 1.025 at the load waterline corresponding to the summer freeboard assigned according to 46 CFR, subchapter E.
[CGD 74-127, 41 FR 3843, Jan. 26, 1976]
source: CGFR 65-50, 30 FR 16657, Dec. 30, 1965, unless otherwise noted.
cite as: 46 CFR 30.10-20