Mariner Credentialing

Regional Examination Center St. Louis permanently relocates

The National Maritime Center posted a notice that the Regional Exam Center (REC) St. Louis has been permanently relocated from the 7th Floor to the 8th Floor of the Robert A. Young Federal Building.

REC location information can be found on the REC page of the National Maritime Center (NMC) website. Mariners needing to schedule application or examination appointments should contact the NMC via online chat system, by calling 1-888-IASKNMC (427-5662), or by e-mailing

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.