---identifier: "/us/cfr/t46/s11.497"source: "ecfr"legal_status: "authoritative_unofficial"title: "46 CFR § 11.497 - Mate-OSV."title_number: 46title_name: "Shipping"section_number: "11.497"section_name: "Mate-OSV."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: falsecurrency: "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"---
Identifier
/us/cfr/t46/s11.497
Currency
2026-04-05
Positive Law
No
Updated
2026-04-05
Chapter
Coast Guard, Department of Homeland Security
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.... 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.
# 11.497 Mate-OSV.(a) The minimum service required to qualify an applicant for an endorsement as Mate-OSV is—(1) Twenty-four months of total service in the deck department of ocean or near-coastal self-propelled, sail, or auxiliary sail vessels. Service on Great Lakes and inland waters may substitute for up to 1 year of the required service. One year of the required service must have been on vessels of more than 100 GRT; or(2) One year of total service as part of an approved or accepted Mate-OSV training program.(b) A person holding an endorsement as Mate-OSV may qualify for an STCW endorsement, according to § 11.309.(c) The Coast Guard may exempt an applicant from meeting any requirement under STCW Regulation II/1 (incorporated by reference, see § 11.102 of this part) that the Coast Guard determines to be inappropriate or unnecessary for service on an OSV, or that the applicant meets under the equivalency provisions of Article IX of STCW.[USCG-2004-17914, 78 FR 77909, Dec. 24, 2013, as amended by USCG-2021-0097, 89 FR 93092, Nov. 25, 2024]