U.S. Coast Guard Career Guide

Master Unlimited

U.S. Coast Guard Career Guide

Master Unlimited


Citizenship Requirements
Must have U.S. Citizenship.

Minimum Age Required
21 Years

Medical Certificate Requirements

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

Drug Test Requirements
Must be Drug Testing Compliant.

Fee Requirements
Mariner Fees must be paid.

Applicants for Master AGT Oceans, when upgrading from Chief Mate endorsement: NO further exams required – provided mariner has been examined for Chief Mate Unlimited tonnage.

  • Examination
  • NOTE: A person holding this endorsement may qualify for an STCW endorsement, according to § 11.305.

***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.***