UPGRADE 100-TON to 200-TON
Inland, Great Lakes or Near Coastal

Recency - 90 days must be in the past 3 years on vessels.

 Inland - 360 days of service, OF WHICH: 180 days must have been as a Master, Mate, or equivalent position while holding a license or endorsement as Master, Mate, Master or Mate (pilot) of towing vessels, or OUPV.

Near Coastal - 720 total days of service on Ocean or Near Coastal Waters, OF WHICH: service on   Inland waters, other than Great Lakes,  MAY substitute for up to 360 days of the total required service, AND 360 MUST have been as a master, mate , or equivalent supervisory position while holding an endorsement as master, as mate, or as operator of uninspected passenger vessels; OR 360 days as a Master or Mate of  Ocean or N/C Towing Vessels  and completion of an examination.  

Great Lakes - 360 days of service OF WHICH: 180 days must have been as a Master, Mate, or equivalent position while holding a license or endorsement as Master, Mate, Master or Mate (pilot) of towing vessels, or OUPV, AND 90 days of service on Great Lakes.

Tonnage Calculations
Great Lakes & or Inland

Tonnage Calculations
Near Coastal

200-GRT - 90 days (25%) of service on vessels of 101 GRT or above, OR 180 days (50%) of service on vessels of 67 GRT or above.

200-GRT - 180 days (25%) required on vessels of 101 GRT or above, OR 360 days (50%) required on vessels over 67 GRT or above.