{"data":{"id":"us/46-cfr-11.446","jurisdiction":"us","citation":"46 CFR 11.446","heading":"Requirements for Master of Great Lakes and inland self-propelled vessels of less than 500 GRT.","body":"(a) The minimum service required to qualify an applicant for an endorsement as Master of Great Lakes and inland self-propelled vessels of less than 500 GRT is—\n(1) Three years of total service on vessels. One year of the required service must have been as a Master, Mate, or equivalent position on vessels of 50 GRT or more while holding an MMC endorsement as Master, Mate, or OUPV.\n(2) [Reserved]\n(b) An applicant holding an MMC endorsement as Master of ocean, near-coastal, or Great Lakes and inland towing vessels is eligible for this endorsement after 6 months of service as Master of Towing Vessels and completion of a limited examination. This requires 3 1/2 years of service. Two years of this service must have been served while holding an MMC endorsement as Master or Mate (Pilot) of Towing Vessels, or Mate.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER B—MERCHANT MARINE OFFICERS AND SEAMEN","PART 11—REQUIREMENTS FOR OFFICER ENDORSEMENTS","Subpart D—Professional Requirements for National Deck Officer Endorsements"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"8689a3464ea51c0f7f20073f087195c29eacfb7ce7c42f398e9afb7eee12e49c","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-11.444","next":"us/46-cfr-11.448"},"notice":"GroundRules: Original legal text. Not legal advice."}