46 CFR § 11.516 - Service requirements for national endorsement as Third Assistant Engineer of steam, motor, and/or gas turbine-propelled vessels.

---
identifier: "/us/cfr/t46/s11.516"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 11.516 - Service requirements for national endorsement as Third Assistant Engineer of steam, motor, and/or gas turbine-propelled vessels."
title_number: 46
title_name: "Shipping"
section_number: "11.516"
section_name: "Service requirements for national endorsement as Third Assistant Engineer of steam, motor, and/or gas turbine-propelled vessels."
chapter_name: "COAST GUARD, DEPARTMENT OF HOMELAND SECURITY"
subchapter_number: "B"
subchapter_name: "MERCHANT MARINE OFFICERS AND SEAMEN"
part_number: "11"
part_name: "REQUIREMENTS FOR OFFICER ENDORSEMENTS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "14 U.S.C. 503; 31 U.S.C. 9701; 46 U.S.C. 2101, 2103, and 2110; 46 U.S.C. chapter 71; 46 U.S.C. 7502, 7505, 7701, 8903, 8904, 8906, and 70105; E.O. 10173; DHS Delegation No. 00170.1, Revision No. 01.4. Section 11.107 is also issued under the authority of 44 U.S.C. 3507."
regulatory_source: "USCG-2004-17914, 78 FR 77909, Dec. 24, 2013, unless otherwise noted."
cfr_part: "11"
---


# 11.516 Service requirements for national endorsement as Third Assistant Engineer of steam, motor, and/or gas turbine-propelled vessels.

(a) The minimum service required to qualify an applicant for endorsement as Third Assistant Engineer of steam, motor, and/or gas turbine-propelled vessels is—

(1) Three years of service in the engineroom of vessels, 2 years of which must have been as a Qualified Member of the Engine Department (QMED) or equivalent position;

(2) Three years of service as an apprentice to the machinist trade engaged in the construction or repair of marine, locomotive, or stationary engines, together with 1 year of service in the engineroom as Oiler, Boiler Technician/Watertender, or Junior Engineer;

(3) Graduation from—

(i) The U.S. Merchant Marine Academy (engineering curriculum);

(ii) The U.S. Coast Guard Academy and completion of an onboard engineer officer qualification program required by the service;

(iii) The U.S. Naval Academy and completion of an onboard engineer officer qualification program required by the service; or

(iv) The engineering class of a Maritime Academy approved by and conducted under the rules prescribed by the Maritime Administrator and listed in part 310 of this title;

(4) Graduation from the marine engineering course of a school of technology accredited by the Accreditation Board for Engineering and Technology, together with 3 months of service in the engine department of steam, motor, or gas turbine-propelled vessels;

(5) Graduation from the mechanical or electrical engineering course of a school of technology accredited by the ABET, together with 6 months of service in the engine department of steam, motor, or gas turbine-propelled vessels;

(6) Satisfactory completion of a comprehensive Apprentice Engineer training program approved by the Coast Guard; or

(7) One year of service as Assistant Engineer-Limited of self-propelled vessels and completion of the appropriate examination described in subpart I of this part.

(b) Experience gained in the deck department on vessels of 100 GRT or more can be credited for up to 3 months of the service requirements under paragraph (a)(1) of this section.

(c) A person holding this endorsement may qualify for an STCW endorsement, according to §§ 11.327, 11.329, and 11,333 of this part.

[USCG-2004-17914, 78 FR 77909, Dec. 24, 2013, as amended by USCG-2021-0097, 89 FR 93093, Nov. 25, 2024]