---
kind: "section"
citation: "46 C.F.R. § 11.452"
title: "46"
number: "11.452"
heading: "Requirements for Master of Great Lakes and inland self-propelled vessels of less than 200 GRT."
url: "https://uscodex.org/cfr/46/11.452"
---

# §11.452. Requirements for Master of Great Lakes and inland self-propelled vessels of less than 200 GRT.

- (a) The minimum service required to qualify an applicant for an endorsement as Master of Great Lakes and inland self-propelled vessels of less than 200 GRT is 1 year of service on vessels. Six months of the required service must have been as Master, Mate, or equivalent position while holding an endorsement as Master or Mate of self-propelled vessels, or Master or Mate (Pilot) of Towing Vessels, or OUPV. To obtain authority to serve on the Great Lakes, 3 months of the required service must have been on Great Lakes waters; otherwise the endorsement will be limited to the inland waters of the United States (excluding the Great Lakes).
- (b) To obtain an endorsement for sail or auxiliary sail vessels, the applicant must have 6 months of service on sail or auxiliary sail vessels. This required service may have been obtained prior to issuance of the MMC endorsement as Master.

## Notes

### Amendments

[USCG-2021-0097, 89 FR 93084, Nov. 25, 2024, as amended by USCG-2021-0834, 89 FR 102335, 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 93084, Nov. 25, 2024, as amended by USCG-2021-0834, 89 FR 102335, Dec. 17, 2024]