Oil tanker
Oil tanker means a vessel that is constructed or adapted primarily to carry crude oil or products in bulk as cargo. This includes a tank barge, a tankship, and a combination carrier, as well as a vessel that is constructed or adapted primarily to carry noxious liquid substances in bulk as cargo and which also carries crude oil or products in bulk as cargo.
Source
33 CFR § 156.405
Scoping language
In addition to the definitions specifically stated in this section, the definitions in 154.105 of this chapter apply to this subpart except definitions for Tank Barge, Tank Ship and Tank Vessel. Definitions specific to this part