Application Checklist for the Merchant Mariner


The Merchant Mariner Credential is the sole credential needed by for merchant mariners as of 2009, and holders of all other credentials need to apply for this credential when their current credential expires. The Coast Guard has compiled a checklist of all documents required to apply for an MMC.


  • All those applying for a Merchant Mariner Credential (MMC) are required to first obtain a Transportation Worker Identification Credential (TWIC). In order to ensure prompt processing of your MMC, identify yourself as a merchant mariner in your TWIC application.

Application for License

  • If you've received your TWIC, fill out your application for an MMC license, which is the CG Form 719B application.

Medical Forms

  • According to the Coast Guard, all "original, renewal, and raise of grade officer

    & qualified rating endorsement applications" should submit form CG 719K. Entry-level endorsements should submit form 719K/E.

    All applicants for "original, renewal and the following raise of grade transactions (any officer endorsement or first qualified rating endorsement)" are required to submit form CG 719P, the USCG Periodic Drug Testing Form.

Other Required Forms

  • Other forms to include in your application are:

    Course completion certificates issued within one year of the application date

    Evidence of appropriate sea service

    Front and back photocopy of license, merchant mariner's documents and STCW endorsement (if applicable)

    Payment receipt for your User Evaluation Fee, which can be paid at

Specific Applicants

  • Requirements applying only to specific applicants are:

    All applicants for original officer endorsements must submit three character references.

    If you have a conviction not previously disclosed to the USCG, you must submit a signed conviction statement with your application.

    Foreign nationals applying for rating endorsements must submit a photocopy of both sides of their Form I-551 Alien Registration Card.

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