46 CFR § 11.603 - Requirements for Radio Officer endorsements.
---identifier: "/us/cfr/t46/s11.603"source: "ecfr"legal_status: "authoritative_unofficial"title: "46 CFR § 11.603 - Requirements for Radio Officer endorsements."title_number: 46title_name: "Shipping"section_number: "11.603"section_name: "Requirements for Radio Officer endorsements."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/s11.603
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.
# 11.603 Requirements for Radio Officer endorsements.Each applicant for an original endorsement or renewal of an MMC must provide evidence of a current Radiotelegraph Operator License (T) issued by the Federal Communications Commission. The applicant must enter on the endorsement application form the number, class, and date of issuance of their Federal Communications Commission License.[USCG-2021-0097, 89 FR 93095, Nov. 25, 2024, as amended by USCG-2021-0834, 89 FR 102336, Dec. 17, 2024]