oceanographic research vessel
(24) “oceanographic research vessel” means a vessel that the Secretary finds is being employed only in instruction in oceanography or limnology, or both, or only in oceanographic or limnological research, including studies about the sea such as seismic, gravity meter, and magnetic exploration and other marine geophysical or geological surveys, atmospheric research, and biological research.
Source
46 USC § 2101(24)
Scoping language
None identified, default scope is assumed to be the parent (chapter 21) of this section.