46 C.F.R. § 10.450 Tonnage limitations and qualifying requirements for licenses as master or mate of Great Lakes and inland vessels of not more than 200 gross tons.
Title 46 - Shipping
(a) Except as noted in subparagraph (d), all licenses issued for master or mate of vessels of not more than 200 gross tons are issued in 50 ton increments based on the applicants qualifying experience in accordance with the provisions of §10.422. See the tonnage and qualifying service discussion in §10.422 for further clarification. (b) Service gained in the engineroom on vessels of not more than 200 gross tons may be creditable for up to 25 percent of the deck service requirements for mate. (c) When the service is obtained on vessels upon which licensed personnel are not required, the OCMI must be satisfied that the nature of this qualifying service (i.e., size of vessel, route, equipment, etc.) is a reasonable equivalent to the duties performed on vessels which are required to engage licensed individuals. (d) When the qualifying service is obtained upon vessels of five gross tons or less, the license will be limited to vessels of not more than 25 gross tons.
Title 46: Shipping
PART 10—LICENSING OF MARITIME PERSONNEL
Subpart D—Professional Requirements for Deck Officers' Licenses
§ 10.450 Tonnage limitations and qualifying requirements for licenses as master or mate of Great Lakes and inland vessels of not more than 200 gross tons.
