Mate of 500-1600 GRT upon Great Lakes and Inland Waters. This is an advanced-level merchant mariner credential. The general requirements for this credential are TWIC Card (Identification, Fingerprints, Citizenship, Social Security number, etc), CG-719B Application, NDR Consent & Check, Oath, 3 letters of recommendation, photograph (supplied by TSA), SSEB Screening complete, age of 21 or over, CG-719K Physical Exam, Medical Tab in MMLD, Drug Testing Compliance, Mariner Fees, and Sea Service Letters or Discharges. Sea service requirements include recency- 90 days in the past 3 years on vessel. Mate 1600 GRT, 720 days of deck service on steam, motor, or sail vessels, of which 360 days of service on vessels over 100 GRT, and 180 days of service as AB, Boatswain, Quartermaster, or equivalent position on vessels over 100 GRT while holding a certificate or endorsement as AB; or 360 days of licensed service as Master or OUPV on vessels over 50 GRT; or 180 days of licensed service as Mate (Pilot) of Towing of over 100 GRT. Mate 500 GRT, 720 days of deck service on steam, motor, or sail vessels, of which 360 days of service on vessels over 50 GRT, and 90 days of service as AB, Boatswain, Quartermaster, or equivalent position on vessels over 50 GRT while holding a certificate or endorsement as AB. Other requirements include completing a First Aid course, and a CPR course. All candidates must complete an examination.
