46 C.F.R. § 10.405 Service requirements for chief mate of ocean or near coastal steam or motor vessels of any gross tons.
Title 46 - Shipping
The minimum service required to qualify an applicant for license as chief mate of ocean or near coastal steam or motor vessels of any gross tons is one year of service as officer in charge of a navigational watch on ocean steam or motor vessels while holding a license as second mate.
Title 46: Shipping
PART 10—LICENSING OF MARITIME PERSONNEL
Subpart D—Professional Requirements for Deck Officers' Licenses
§ 10.405 Service requirements for chief mate of ocean or near coastal steam or motor vessels of any gross tons.