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  • One Minute Guide: How to Get Your 25/50 or 100 Ton Master Captain’s License

    February 10, 2024

    The UCSG Master License is the highest level of captain's license that can be obtained and allows you to perform the duties of an OUPV/Six-pack captain and also operate inspected vessels. Inspected vessels are approved to carry seven or more paying passengers and have been built in accordance with rigid USCG standards.

    INFOGRAPHIC: ONE-MINUTE GUIDE TO GETTING THE 25/50/100-TON OUPV LICENSE

    Infographic: One-Minute Guide to Getting the 25/50/100 Ton License
    ↓Download the Infographic


    Common Questions About the Captain’s License Test

    1 HOW BIG IS A 25/50/100-TON VESSEL?

    A 25-ton vessel can be 40-65 feet depending on how its built. A 50-ton vessel can be 50-70 feet depending on the type vessel and material it is built with. A 100-ton boat or vessel can be 65 feet or more depending on its construction and commercial uses. These are generalizations but are useful guides.

    2 WHERE CAN I TAKE A 100-TON MASTERS LICENSE PRACTICE TEST?

    Mariners Learning System offers a USCG-approved course including practice questions to prepare you for the 25-ton, 50-ton, and 100-ton master license exams. You can purchase an online edition of the course or the Deluxe Edition that includes both hard copy and digital materials.

    3 HOW DO I UPGRADE FROM A 50-TON TO 100-TON MASTER INLAND LICENSE?

    To upgrade from a 50 to 100 ton Master Captain's License, you need to be able to document the following sea service requirements:

    • 100 GRT - 90 days (25%) of service on vessels of 51 GRT or above, OR
    • 180 days (50%) of service on vessels of 34 GRT or above.

    You then need to take the MLS Coast Guard approved Upgrade course and exam.

    4 HOW DO I UPGRADE FROM A 50-TON TO 100-TON MASTER COASTAL LICENSE?

    To upgrade from a 50 to 100 ton Master Captain's License, you need to be able to document the following sea service requirements:

    • 180 days (25%) of service on vessels of 51 GRT or above, OR
    • 360 days of service on vessels of 34 GRT or above.

    You then need to take the MLS Coast Guard approved Upgrade course and exam.

    NEXT STEPS TO GET YOUR 100-TON MASTER LICENSE