OUPV Upgrade to Master 100-ton
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Master 100 Ton Upgrade Explorers Guide Maritime Academy

OUPV Upgrade to 100 Ton Masters Captains License

Inland, or Great Lakes 

Enroll Today -  Classroom Courses

Is it time to upgrade your OUPV license to 100 Ton Masters License? Explorer's Guide Maritime Academy has the course to do just that.  Our 100 Ton Masters License Upgrade can be taken in the classroom. Your sea service determines both the route and tonnage for your license. The routes include Inland and Great Lakes.

The tonnage of the vessel you can operate also depends on size of the vessel you served on. Tonnage ratings include 25, 50, or 100-ton Master captains license.

Sea service:

  • for an Inland or Great Lake is the same as your oupv - 360 days with at least 90 days on the Great Lakes and at least 90 days of sea service on any waters within the last three year


  • Everyone get at least a 25 ton endorsement.
  • 50 ton requires 90 days (25%) of service of vessels of 26 GRT or above, OR 180 days (50%) of service on vessels 17 GRT or above.
  • For a 100 ton master Inland or Great Lakes, you need 180 days on a vessel over 34 gross tons or 90 days on a vessel over 51 gross tons.

Course details:
● 16 Hours in classroom
● Classroom normally is a Friday, Saturday, Sunday
Feeincludes course materials, instruction, one sitting of the one final proctored exam, and Certificate of Completion 

Topics: Build on your OUPV license. Couse includes:

  • Block, Tackle, and Wire Rope
  • Stability, Load Lines
  • Safety drill,
  • Ships construction,
  • Fire fighting Equipment and Regulations,
  • Life Saving Appliances, Receiving Survivors
  • T Boat Regulations
  • Anchoring.

PLEASE NOTE: If you take this class and do not have the required sea service time for the near coastal route, your license will be approved for either a Inland or Great Lakes route. If in the future you want to upgrade to near coastal route, you will be required to our Masters Increase in scope course.

Exam: One 50-questions Deck General Exams 70% correct to pass

Locations:  Classroom classes for this Masters 100 ton Inland, Great lakes are held in Appleton, Chicago, California, and Hilo  or by distant learning.

Have more questions? Feel free to call us at (920) 733-5500

Payment Info


We accept:

captains license payment alternative