46 C.F.R. § 173.052 Civilian nautical school ships.
Title 46 - Shipping
Each civilian nautical school ship must comply with part 171 of this subchapter as though it were a passenger vessel. In addition to regular passengers, for the purpose of complying with part 171, the following will also count as passengers; (a) A student. (b) A cadet. (c) An instructor who is not also a member of the crew. [CGD 79–023, 48 FR 51045, Nov. 4, 1983. Redesignated by CGD 83–005, 51 FR 924, Jan. 9, 1986]
Title 46: Shipping
PART 173—SPECIAL RULES PERTAINING TO VESSEL USE
Subpart C—School Ships
§ 173.052 Civilian nautical school ships.