46 C.F.R. § 10.522 Service requirements for assistant engineer (limited-oceans) of steam and/or motor vessels.
Title 46 - Shipping
The minimum service required to qualify an applicant for license as assistant engineer (limited-oceans) of steam and/or motor vessels is three years of service in the engineroom of vessels. Eighteen months of this service must have been as a qualified member of the engine department or equivalent supervisory position.
Title 46: Shipping
PART 10—LICENSING OF MARITIME PERSONNEL
Subpart E—Professional Requirements for Engineer Officers' Licenses
§ 10.522 Service requirements for assistant engineer (limited-oceans) of steam and/or motor vessels.

