---
kind: "section"
citation: "46 C.F.R. § 11.501"
title: "46"
number: "11.501"
heading: "Grades and types of national engineer endorsements issued."
url: "https://uscodex.org/cfr/46/11.501"
---

# §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.

## Notes

### Amendments

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

### Authority

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.

### Source

Source: USCG-2004-17914, 78 FR 77909, Dec. 24, 2013, unless otherwise noted.

### Amendments

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