{"data":{"id":"us/46-cfr-11.431","jurisdiction":"us","citation":"46 CFR 11.431","heading":"Tonnage requirements for Great Lakes and inland endorsements for vessels of 1,600 GRT or more.","body":"(a) All required experience for Great Lakes and inland unlimited endorsements must be obtained on vessels of 100 GRT or more. At least one-half of the required experience must be obtained on vessels of 1,600 GRT or more.\n(b) Tonnage limitations may be imposed on these endorsements in accordance with § 11.402(b) and (c) of this subpart.","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":"24b4832bd1b76d9661d26190567502313de32a0074d335d3ddc277de56b36b10","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-11.430","next":"us/46-cfr-11.433"},"notice":"GroundRules: Original legal text. Not legal advice."}