{"data":{"id":"us/46-cfr-11.501","jurisdiction":"us","citation":"46 CFR 11.501","heading":"Grades and types of national engineer endorsements issued.","body":"(a) National engineer endorsements are issued in the grades of—\n(1) Chief Engineer;\n(2) First Assistant Engineer;\n(3) Second Assistant Engineer;\n(4) Third Assistant Engineer;\n(5) Chief Engineer-Limited;\n(6) Assistant Engineer-Limited;\n(7) Designated Duty Engineer (DDE);\n(8) Chief Engineer Uninspected Fishing Industry Vessels;\n(9) Assistant Engineer Uninspected Fishing Industry Vessels;\n(10) Chief Engineer-MODU;\n(11) Assistant Engineer-MODU;\n(12) Chief Engineer-OSV; and\n(13) Assistant Engineer-OSV.\n(b) Engineer endorsements issued in the grades of Chief Engineer-Limited and Assistant Engineer-Limited of steam, motor, and/or gas turbine-propelled vessels allow the holder to serve within any propulsion power limitations on vessels of unlimited tonnage on inland waters and of less than 1,600 GRT in ocean, near-coastal, or Great Lakes service in the following manner:\n(1) Chief Engineer-Limited may serve on oceans and near-coastal waters.\n(2) Assistant Engineer-Limited may serve on ocean and near-coastal waters.\n(c) Engineer MMC endorsements issued in the grades of Designated Duty Engineer of steam, motor, and/or gas turbine-propelled vessels allow the holder to serve within stated propulsion power limitations on vessels of less than 500 GRT in the following manner:\n(1) Designated Duty Engineers-Limited to vessels of less than 1,000 HP or 4,000 HP may serve only on near-coastal or inland waters.\n(2) Designated Duty Engineers-Unlimited may serve on any waters.\n(d) An engineer officer MMC endorsement authorizes service on steam, motor, or gas turbine-propelled vessels or may authorize all modes of propulsion.\n(e) A person holding an engineer MMC endorsement that is restricted to near-coastal waters may serve within the limitations of the MMC upon near-coastal, Great Lakes, and inland waters.","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 E—Professional Requirements for National Engineer 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":"d79ee4f6b850ba7fae5a86e5279c4da23ccdb63cf8c0bc13e620b2cc9823e344","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-11.497","next":"us/46-cfr-11.502"},"notice":"GroundRules: Original legal text. Not legal advice."}