46 CFR § 11.501 - Grades and types of national engineer endorsements issued.

---
identifier: "/us/cfr/t46/s11.501"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "46 CFR § 11.501 - Grades and types of national engineer endorsements issued."
title_number: 46
title_name: "Shipping"
section_number: "11.501"
section_name: "Grades and types of national engineer endorsements issued."
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"
---


# 11.501 Grades and types of national engineer endorsements issued.

(a) National engineer endorsements are issued in the grades of—

(1) Chief Engineer;

(2) First Assistant Engineer;

(3) Second Assistant Engineer;

(4) Third Assistant Engineer;

(5) Chief Engineer-Limited;

(6) Assistant Engineer-Limited;

(7) Designated Duty Engineer (DDE);

(8) Chief Engineer Uninspected Fishing Industry Vessels;

(9) Assistant Engineer Uninspected Fishing Industry Vessels;

(10) Chief Engineer-MODU;

(11) Assistant Engineer-MODU;

(12) Chief Engineer-OSV; and

(13) Assistant Engineer-OSV.

(b) Engineer endorsements issued in the grades of Chief Engineer-Limited and Assistant Engineer-Limited of steam, motor, and/or gas turbine-propelled vessels allow the holder to serve within any propulsion power limitations on vessels of unlimited tonnage on inland waters and of less than 1,600 GRT in ocean, near-coastal, or Great Lakes service in the following manner:

(1) Chief Engineer-Limited may serve on oceans and near-coastal waters.

(2) Assistant Engineer-Limited may serve on ocean and near-coastal waters.

(c) Engineer MMC endorsements issued in the grades of Designated Duty Engineer of steam, motor, and/or gas turbine-propelled vessels allow the holder to serve within stated propulsion power limitations on vessels of less than 500 GRT in the following manner:

(1) Designated Duty Engineers-Limited to vessels of less than 1,000 HP or 4,000 HP may serve only on near-coastal or inland waters.

(2) Designated Duty Engineers-Unlimited may serve on any waters.

(d) An engineer officer MMC endorsement authorizes service on steam, motor, or gas turbine-propelled vessels or may authorize all modes of propulsion.

(e) A person holding an engineer MMC endorsement that is restricted to near-coastal waters may serve within the limitations of the MMC upon near-coastal, Great Lakes, and inland waters.

[USCG-2021-0097, 89 FR 93092, Nov. 25, 2024, as amended by USCG-2021-0834, 89 FR 102336, Dec. 17, 2024]