{"data":{"id":"us/46-cfr-131.410","jurisdiction":"us","citation":"46 CFR 131.410","heading":"Certificate of proficiency.","body":"A merchant mariner credential or merchant mariner's document with an endorsement of lifeboatman or another inclusive rating under part 12 of this title is evidence of training in survival craft and serves as a certificate of proficiency. For this subpart, a “certificated” person is a person holding a merchant mariner credential or merchant mariner's document with such an endorsement.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER L—OFFSHORE SUPPLY VESSELS","PART 131—OPERATIONS","Subpart D—Sufficiency and Supervision of Crew of Survival Craft"],"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":"c2859eca45d77125fcecc732bafeecb797e57645e80f4d9ee0114bd8b2fee241","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-131.360","next":"us/46-cfr-131.420"},"notice":"GroundRules: Original legal text. Not legal advice."}