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National Maritime Center Keep 'Safe, Keep ' Sailing

National Maritime Center

Application status Credential Verification Search Index

On The Horizon

Updated on February 7, 2025:
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Apply For MMC
Apply For Medical Certificate
Apply for QA/DE
Course Providers
Examinations

Apply For Merchant Mariner Credential

Original

Step 1. Apply for your TWIC and complete the "application forms 719B, 719C (if applicable), CG-719S Sea Service (if applicable), and 719P” " using NMC’s Checklist Page to select the type of credential you want.
Step 2. Obtain other documented Sea Service and any relevant training certificates and/or assessments, if applicable.
Step 3. Pay your fees and submit all your forms, photocopies, and supporting documentation in PDF format labeled with your Last Name_First Name_Mariner Reference Number (if available), including the subject line of the e-mail to: MMCApplications@uscg.mil.MMC applications for Local Limited, Restricted, and First-Class Pilot MMCs, send to a: Regional Exam Centers.

Renewal

Step 1. Apply for your TWIC and complete the "application forms 719B, 719C (if applicable), CG-719S Sea Service (if applicable), and 719P” " using NMC’s Checklist Page to select the type of credential you want.
Step 2. Obtain other documented Sea Service and any relevant training certificates and/or assessments, if applicable.
Step 3. Pay your fees and submit all your forms, photocopies, and supporting documentation in PDF format labeled with your Last Name_First Name_Mariner Reference Number (if available), including the subject line of the e-mail to: MMCApplications@uscg.mil.MMC applications for Local Limited, Restricted, and First-Class Pilot MMCs, send to a: Regional Exam Centers.

Raise of Grade

Step 1. Apply for your TWIC and complete the "application forms 719B, 719C (if applicable), CG-719S Sea Service (if applicable), and 719P” " using NMC’s Checklist Page to select the type of credential you want.
Step 2. Obtain other documented Sea Service and any relevant training certificates and/or assessments, if applicable.
Step 3. Pay your fees and submit all your forms, photocopies, and supporting documentation in PDF format labeled with your Last Name_First Name_Mariner Reference Number (if available), including the subject line of the e-mail to: MMCApplications@uscg.mil.MMC applications for Local Limited, Restricted, and First-Class Pilot MMCs, send to a: Regional Exam Centers.

Duplicate

Duplicate MMC definition: A replacement credential issued containing the same authority, wording , and expiration date as a the lost, stolen, or destroyed credential.

Steps to Apply for a Duplicate MMC

Step 1. Complete the 719B and affidavit.
Step 2. Pay your fees.
Step 3. Submit all your forms including affidavit in PDF format labeled with your : Last Name_First Name_Mariner Reference Number (if available)_DUPLICATE , including the subject line of the e-mail, and expedited mailing method (OPTIONAL) to MMCApplications@uscg.mil.

Replacement MMC

Replacement MMC definition: A replacement credential issued as the result of a request to change the name, address, or physical attributes on the credential.

Steps to Apply for a Replacement MMC

Step 1. Complete the 719B.
Step 2. Pay the modification fees.
Step 3. Submit all your forms including supporting documentation and pay.gov receipt in PDF format labeled with your Last Name_First Name_Mariner Reference Number (if available) including the subject line of the e-mail and expedited mailing option to MMCApplications@uscg.mil.

Document of Continuity

Step 1. Complete the CG-719B.
Step 2. Submit all your forms, photocopies, supporting documentation in PDF format labeled with your Last Name_First Name_Mariner Reference Number (if available), including the subject line of the e-mail, and expedited mailing method (OPTIONAL) to MMCApplications@uscg.mil.

Additional Information (Existing MMC Application)

If you have received a letter requesting additional information for your MMC application:

Step 1. Subject line of your e-mail should be: Mariner Last Name_First Name_Mariner Reference Number (if available). For example: Smith, John, 1234567
Step 2. Attach all documentation in PDF format. Other formats will not be processed.
Step 3. Submit all documentation in PDF format in response to the letter to: MMC-Awaiting-Info@uscg.mil.

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Apply For Medical Certificate

CG-719K

Step 1 - Review the Common Errors on the CG-719K Form & Medical Certificate FAQ
Step 2 - Complete the Application for Merchant Mariner Medical Certificate (CG-719K).
Step 3 - Submit your complete form and supporting documentation in PDF format labeled with your Last Name_First Name_Mariner Reference Number (if available), including the subject line of the e-mail to: MEDAIP@uscg.mil . Make sure ALL boxes on the 719K are checked and that both applicant and the healthcare provider have signed the document. Only COMPLETE medical applications will be accepted.

CG-719K/E “Entry Level Only”

Step 1 - Review the Medical Certificate FAQ
Step 2 - Complete the Application for Merchant Mariner Medical Certificate for Entry Level Ratings (CG-719K/E “Entry Level Only” ).
Step 3 - Submit your complete form and supporting documentation in PDF format labeled with your Last Name_First Name_Mariner Reference Number (if available), including the subject line of the e-mail to: MEDAIP@uscg.mil. Make sure ALL boxes on the 719K are checked and that both applicant and the healthcare provider have signed the document. Only COMPLETE medical applications will be accepted.

Duplicate

Step 1 - Complete the Affidavit.
Step 2 - Duplicate, as follows: Submit the complete affidavit in PDF format labeled with your Last Name_First Name_Mariner Reference Number (if available), along with the word “DUPLICATE” and include in the subject line of the e-mail to: MEDAIP@uscg.mil.
Step 3 - (OPTIONAL) If you wish to receive your Medical Certificate via a method that can be tracked and will reach you in a few days, consider using an expedited mailing option expedited mailing option.

Additional Information (Existing Medical Certificate Application)

Step 1 - Subject line of your e-mail should be: Last Name_First Name_Mariner Reference Number (if available). For example: Smith, John, 1234567
Step 2 - Attach all documentation in PDF format. Other formats will not be processed.
Step 3 - Submit all documentation in PDF format in response to the letter to: NMCMedicalClerks@uscg.mil.