U.S. Coast Guard Career Guide

3rd Mate Unlimited

U.S. Coast Guard Career Guide

3rd Mate Unlimited


Citizenship Requirements
Must have U.S. Citizenship

Minimum Age Required
19 Years

Medical Certificate Requirements

  • Original – Must hold a valid Medical Certificate or be approved for Medical Certificate.
  • Renewal, ROG, New Endorsement – Must hold an unexpired Medical Certificate or submit a Medical Certificate application.

Drug Testing Requirements
Must be Drug Testing Compliant.

Fee Requirements
Mariner Fees must be paid


  • Examination
  • A person holding this endorsement may qualify for an STCW endorsement, according to § 11.309.

***This information is from the U.S. Coast Guard’s National Maritime Center. The licensing and career information published here is provided as a courtesy, convenience and without cost. We do not claim to represent the U.S. Coast Guard or other licensing Administrations. NMI does not provide formal advice regarding USCG license eligibility and cannot guarantee an individual’s eligibility for any specific license or credential. NMI accepts no responsibility or liability for the accuracy or validity of general information provided. Individuals seeking confirmation of eligibility for any specific USCG license or credential must contact the USCG directly for an evaluation.***