{"data":{"id":"us/46-cfr-4.03-2","jurisdiction":"us","citation":"46 CFR 4.03-2","heading":"-2 Serious marine incident.","body":"The term serious marine incident includes the following events involving a vessel in commercial service, floating OCS facility, or MODU as described in § 4.03-1(1) and (2):\n(a) Any marine casualty or accident as defined in § 4.03-1 which is required by § 4.05-1 to be reported to the Coast Guard and which results in any of the following:\n(1) One or more deaths;\n(2) An injury to a crewmember, passenger, or other person which requires professional medical treatment beyond first aid, and, in the case of a person employed on board a vessel in commercial service, floating OCS facility, or MODU, which renders the individual unfit to perform routine vessel duties;\n(3) Damage to property, as defined in § 4.05-1(a)(7) of this part, in excess of $200,000;\n(4) Actual or constructive total loss of any vessel or MODU subject to inspection under 46 U.S.C. 3301; or\n(5) Actual or constructive total loss of any self-propelled vessel, not subject to inspection under 46 U.S.C. 3301, of 100 gross tons or more.\n(b) A discharge of oil of 10,000 gallons or more into the navigable waters of the United States, as defined in 33 U.S.C. 1321, whether or not resulting from a marine casualty.\n(c) A discharge of a reportable quantity of a hazardous substance into the navigable waters of the United States, or a release of a reportable quantity of a hazardous substance into the environment of the United States, whether or not resulting from a marine casualty.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER A—PROCEDURES APPLICABLE TO THE PUBLIC","PART 4—MARINE CASUALTIES AND INVESTIGATIONS","Subpart 4.03—Definitions"],"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":"b4ff17d3d822b3ec2497bf9208b9cef658e914077a5772886027490dd3104e21","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-4.03-1","next":"us/46-cfr-4.03-4"},"notice":"GroundRules: Original legal text. Not legal advice."}