---
kind: "section"
citation: "46 C.F.R. § 11.406"
title: "46"
number: "11.406"
heading: "Service requirements for Second Mate of ocean or near-coastal self-propelled vessels of unlimited tonnage."
url: "https://uscodex.org/cfr/46/11.406"
---

# §11.406. Service requirements for Second Mate of ocean or near-coastal self-propelled vessels of unlimited tonnage.

- (a) The minimum service required to qualify an applicant for an endorsement as Second Mate of ocean or near-coastal self-propelled vessels of unlimited tonnage is—
  - (1) One year of service as Officer in Charge of a Navigational Watch (OICNW) on ocean self-propelled vessels while holding an endorsement as Third Mate; or
  - (2) While holding an MMC endorsement as Third Mate of ocean self-propelled vessels of unlimited tonnage, 12 months of service on deck as follows:
    - (i) **A minimum of 6 months service as officer in charge of a deck watch on ocean self-propelled vessels.**
    - (ii) Service on ocean self-propelled vessels as Boatswain, Able Seafarer, or quartermaster while holding a certificate or MMC endorsement as Able Seafarer, which may be accepted on a two-for-one basis to a maximum allowable substitution of six months (12 months of experience equals 6 months of creditable service).
- (b) Service towards an oceans, near-coastal or STCW endorsement will be credited as follows:
  - (1) Service on the Great Lakes will be credited on a day-for-day basis up to 100 percent of the total required service.
  - (2) Service on inland waters, other than Great Lakes, that are navigable waters of the United States, will be credited on a day-for-day basis for up to 50 percent of the total required service.
  - (3) Service on vessels to which STCW applies, whether inland or coastwise, will be credited on a day-for-day basis.
- (c) If an individual holds an endorsement as Master of Great Lakes and inland self-propelled vessels of unlimited tonnage or Master of inland self-propelled vessels of unlimited tonnage, they may obtain an endorsement as Second Mate of ocean or near-coastal self-propelled vessels of unlimited tonnage by completing the prescribed examination in subpart I of this part.
- (d) A person holding this endorsement may qualify for an STCW endorsement, according to [§ 11.309](/cfr/46/11.309.md) of this part.

## Notes

### Amendments

[USCG-2004-17914, 78 FR 77909, Dec. 24, 2013, as amended by USCG-2021-0097, 89 FR 93079, Nov. 25, 2024; USCG-2021-0834, 89 FR 102334, 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 93079, Nov. 25, 2024; USCG-2021-0834, 89 FR 102334, Dec. 17, 2024]