sailing school vessel
(40) “sailing school vessel” means a vessel— (A) that is less than 500 gross tons as measured under section 14502 of this title , or an alternate tonnage measured under section 14302 of this title as prescribed by the Secretary under section 14104 of this title ; (B) carrying more than 6 individuals who are sailing school instructors or sailing school students; (C) principally equipped for propulsion by sail, even if the vessel has an auxiliary means of propulsion; and (D) owned or demise chartered, and operated by an organization described in section 501(c)(3) of the Internal Revenue Code of 1986 ( 26 U.S.C. 501(c)(3) ) and exempt from tax under section 501(a) of that Code, or by a State or political subdivision of a State, during times that the vessel is operated by the organization, State, or political subdivision only for sailing instruction.
46 USC § 2101(40)
None identified, default scope is assumed to be the parent (chapter 21) of this section.