The Master Less than GRT Great Lakes and/or Inland credential allows the holder to serve as Master on vessels less than 200 GRT (except towing vessels) on the Great Lakes and/or Inland Waters.
The Mate 200 GRT Great Lakes and/or Inland credential allows the holder to serve as Mate on vessels less than 200 GRT (except towing vessels) on the Great Lakes and/or Inland Waters.
The OUPV credential allows the holder to serve as Master on uninspected vessels less than 100 GRT (except towing vessels) on Inland waters.
RECENCY: 90 days in the past 3 years on vessels of appropriate tonnage
ENGINE DEPARTMENT EXPERIENCE on vessels of appropriate tonnage may be creditable for up to 90 days of the sea service requirements.
DECK EXAMINATION GUIDE: At this link, you will find two Deck Examination Guides. If your qualifying service for the license began before March 24, 2014, you may opt to be examined under the procedures of the old Deck Examination Guide. The old guide’s examinations are significantly less difficult in most cases than the new guide’s.
Exam Structure Sheets:
ESS: 2-8 (Master 200)
ESS: 2-9 (Mate 200)
ESS: 2-10 (Master 100)
ESS: 2-12 (OUPV)
To Apply for the Credential
If you need help determining your eligibility or completing your application, please email us at Credential Assistance.
Mariners preparing for these credential examinations can begin on almost any Monday. The course of study lasts 4 weeks for the 200-GT credentials and 3 weeks for the 100-GT and OUPV credentials. The tuition is good for one year.