Upgrade to Inland/Great Lakes Masters
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OUPV to Master Upgrade, master 100 ton, explorers guide maritime academy,  USCG approved

Upgrade to Master Inland Great Lakes Captains License

Easy to upgrade your captains license to an Inland/Great Lakes
Masters with our 14 hour course

Enroll Today  Classroom Setting

Companies are looking for qualified Master 100 Great Lake. Get you upgrade now to meet those needs. 

Needs to upgrade your credentials to Inland or Great Lakes Masters? Explorer's Guide Maritime Academy has the course to do just that.  Our new Masters 100 ton Upgrade to Inland or Great Lakes Master 100 Ton's is just 15 hours long with one 50-question exams.

With this one weekend course your credentials can be upgrade to Master's 25, 50, or 100-ton which permits you to captain an inspected vessel depending on your sea service.

Master 100 ton upgrade, explorers guide maritime academy, captains license


  • 14 Hours classroom
  • Classroom normally is a Saturday and Sunday
  • Be at least 19 years old for Inland/Great Lake
  • Sea Service same as OUPV
  • Tonnage on your credentials depends on sea service.
    • If the applicant has 1 day of service BEFORE March 24, 2014 on a vessel greater than 5 GRT, the MMC may be issued for 50 GRT without meeting this tonnage calculation . (This grandfather clause ends in 2019)
    • <Otherwise 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.
    • 100 Ton required 180 days on a vessel over 34 gross tons or 90 days on a vessel over 51 gross tons gets you a 100 ton license.

Fee:$335 includes course materials, instruction, one sitting of the one final proctored exam, and Certificate of Completion. Course approved for GI Bill, Post 911 GI Bill, Diabled veterans.

Topics: Build on your OUPV license. Course include

1 Seamanship: - Purchases, Blocks and Tackle
2 Principals of Ship Construction
3 Trim and Stability - Understanding Stability
4 Load lines
5 Rules & Regulations for Inspected T-Boats
9 Vessel Alteration and Repair/Hot Work
10 Dragging clearing, fouled Anchoring
11 Firefighting Equipment and Regulations for T-Boats
12 Firefighting Systems
13 Organization of Fire Drills
14 Lifesaving Appliance Regulations for T-Boats
15 Lifesaving Appliance Operations for T-Boats
16 Maneuvering to Launching Lifeboats and Liferafts in heavy weather
18 Receiving Survivors from ships and aircrafts
20 Weather charts

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

Locations:  Classroom classes for this Masters 100 ton Great lakes are held in Appleton or by distant learning.

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