---
kind: "section"
citation: "46 C.F.R. § 11.502"
title: "46"
number: "11.502"
heading: "General requirements for national engineer endorsements."
url: "https://uscodex.org/cfr/46/11.502"
---

# §11.502. General requirements for national engineer endorsements.

- (a) For all original and raise of grade of engineer endorsements, at least one-third of the minimum service requirements must have been obtained on the particular mode of propulsion for which the applicant seeks endorsement.
- (b) If an applicant desires to add a propulsion mode (steam, motor, or gas turbine) to their endorsement while holding an MMC officer endorsement in that grade, the following alternatives are acceptable:
  - (1) **Four months of service as an observer on vessels of the new propulsion mode.**
  - (2) Four months of service as an engineer officer at the operational level on vessels of the new propulsion mode.
  - (3) Six months of service as Oiler, Boiler Technician/Watertender, or Junior Engineer on vessels of the new propulsion mode.
  - (4) **Completion of a Coast Guard-approved training course for this endorsement.**

## Notes

### Amendments

[USCG-2004-17914, 78 FR 77909, Dec. 24, 2013, as amended by USCG-2021-0097, 89 FR 93092, Nov. 25, 2024; 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-2004-17914, 78 FR 77909, Dec. 24, 2013, as amended by USCG-2021-0097, 89 FR 93092, Nov. 25, 2024; USCG-2021-0834, 89 FR 102336, Dec. 17, 2024]