46 C.F.R. § 10.512 Service requirements for first assistant engineer of steam and/or motor vessels.
Title 46 - Shipping
The minimum service required to qualify an applicant for license as first assistant engineer of steam and/or motor vessels is one year of service as an assistant engineer, while holding a license as second assistant engineer.
Title 46: Shipping
PART 10—LICENSING OF MARITIME PERSONNEL
Subpart E—Professional Requirements for Engineer Officers' Licenses
§ 10.512 Service requirements for first assistant engineer of steam and/or motor vessels.

