Mariner Credentialing

10/1/2018: Credentials lost due to Hurricane Florence

The National Maritime Center posted a notice to its website Sept. 27, 2018 to announce that, in accordance with Federal Regulations, duplicate Merchant Mariner Credentials (MMC) may be issued free of charge to mariners whose credentials were lost or destroyed as a result of Hurricane Florence or subsequent flooding. Mariners should follow the steps below to obtain an expedited replacement credential:

• Provide a statement of loss to the National Maritime Center either by fax to (304) 433-3412 or via e-mail to The statement should contain the following:

o Mariner’s full name
o Mariner’s date of birth
o Mariner’s reference number or social security number
o Current mailing address
o Current phone number and/or e-mail address and
o A brief description of the circumstances surrounding the loss/destruction of the credential.

Unless otherwise requested, any duplicate MMCs issued per the request process above will include a corresponding Medical Certificate. NMC will make every effort to have duplicate credentials mailed out the next business day. Alternatively, mariners may submit a CG-719B, Application for MMC, to one of the Regional Examination Centers with the information above. If your credential is unserviceable due to damage or your lost credential is subsequently found, that credential should be mailed to:

Commanding Officer, United States Coast Guard
National Maritime Center
100 Forbes Drive
Martinsburg, West Virginia 25427.

If you have any questions or concerns, visit the NMC website, or contact the NMC Customer Service Center by e-mailing, by using the NMC online chat system, or by calling 1-888-IASKNMC (427-5662).

This blog is not a replacement or substitute for the formal posting of regulations and updates or existing processes for receiving formal feedback of the same. Links provided on this blog will direct the reader to official source documents, such as the Federal Register, Homeport and the Code of Federal Regulations. These documents remain the official source for regulatory information published by the Coast Guard.

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