Mariner Credentialing

1/2/2018: Monitoring Unit San Juan open for business

The National Maritime Center (NMC) posted a notice on its website that Monitoring Unit (MU) San Juan has reopened as of January 2, 2018. Regional Exam Center (REC) and Monitoring Unit location information can be found on the REC page of the NMC website. Mariners needing to schedule application and examination appointments should contact the NMC by Chat, by calling 1-888-IASKNMC (427-5662), or via e-mail to

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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