General Knowledge and Regulations
MMC application and renewal — 46 CFR Subchapter B
Getting and keeping the credential itself: what a merchant mariner credential is and how long it stays valid, the TWIC that must accompany it, the general application procedure and where it is filed, the identification number that ties the record together, the classification of national and STCW endorsements, and renewal.
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Authoritative sources#
Every answer on this topic traces back to the public rule corpus below.
Source excerpts#
33 CFR §155.110
Definitions. Except as specifically stated in a section, the definitions in part 151 of this chapter, except for the word “oil”, and in part 154 of this chapter, apply to this part. The following definition also applies to this part: Merchant mariner credential or MMC means the credential issued by the Coast Guard under 46 CFR part 10. It combines the individual merchant mariner's document, license, and certificate of registry enumerated in 46 U.S.C. subtitle II part E as well as the STCW endorsement into a single credential that serves as the mariner's qualification document, certificate of identification, and certificate of service. [USCG-2006-24371, 74 FR 11212, Mar. 16, 2009]
46 CFR §10.101
Purpose. The regulations in this part provide: (a) A means of determining and verifying the qualifications an applicant must possess to be eligible for certification to serve on merchant vessels; (b) A means of determining that an applicant is competent to serve under the authority of his or her merchant mariner credential (MMC); (c) A means of confirming that an applicant does not pose a threat to national security through the requirement to hold a Transportation Worker Identification Credential (TWIC); and (d) A means of determining whether the applicant for an MMC is a safe and suitable person. [USCG-2006-24371, 74 FR 11216, Mar. 16, 2009, as amended by USCG-2004-17914, 78 FR 77882, Dec. 24, 2013]
46 CFR §10.109
Classification of endorsements. (a) National officer endorsements. The following national officer endorsements are established in part 11 of this subchapter. The endorsements indicate that an individual holding a valid MMC with this endorsement is qualified to serve in that capacity and the endorsement has been issued under the requirements contained in part 11 of this subchapter: (1) Master. (2) Chief mate. (3) Second mate. (4) Third mate. (5) Mate. (6) Master of towing vessels. (7) Master of towing vessels, limited. (8) Mate (pilot) of towing vessels. (9) Apprentice mate (Steersman). (10) Apprentice mate (Steersman), limited. (11) Assistance towing. (12) Offshore installation manager (OIM). (13) Barge supervisor (BS). (14) Ballast control operator (BCO). (15) Operator of …
46 CFR §10.201
General characteristics of the merchant mariner credential. (a) A merchant mariner credential (MMC) (Coast Guard Form CG-4610), is a credential combining the elements of the merchant mariner's document (MMD), merchant mariner's license (license), and certificate of registry (COR) enumerated in 46 U.S.C. subtitle II part E as well as the STCW endorsement issued pursuant to the STCW Convention and STCW Code (incorporated by reference, see § 10.103 of this part). MMDs, licenses, STCW endorsements and CORs are no longer issued as separate documents and all qualifications formerly entered on those separate documents appear in the form of an endorsement(s) on an MMC. (b) An MMC authorizes the holder to serve in any capacity endorsed thereon, or in any lower capacity in the same department, or …
46 CFR §10.203
Requirement to hold a TWIC and a merchant mariner credential. (a) Failure to obtain or hold a valid TWIC serves as a basis for the denial of an application for an original, renewal, new endorsement, duplicate, or raise of grade of a mariner's credential and may serve as a basis for suspension and revocation under 46 U.S.C. 7702 and 7703. (b) An MMC, license, MMD, COR, or STCW endorsement must be retained by the mariner to whom it was issued and, while valid, must be produced to verify qualifications when requested by an authorized official as identified in 33 CFR 101.515(d). Posting of the officer endorsement may be necessary as required in 46 U.S.C. 7110. (c) Although an MMD and an MMC serve as certificates of identification, a TWIC must be retained by the mariner to whom it was issued…
46 CFR §10.205
Validity of a merchant mariner credential. (a) An MMC is valid for a term of 5 years from the date of issuance. Except upon the written request for the immediate issuance by the applicant, the Coast Guard will post-date the issuance of an MMC renewal that includes no other transactions up to 8 months from the date that the Coast Guard accepts a complete application as required in this part. If the expiration date of the mariner's active credential is beyond 8 months of the date that the Coast Guard accepts a complete application as required in this part, the new credential issue date will be 8 months from the date of application acceptance at which time the currently active credential will become invalid in accordance with paragraph (d) of this section. Otherwise, the new credential issue…
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A mariner's MMC displays which number on its face?
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