{"data":{"id":"us/49-cfr-831.50","jurisdiction":"us","citation":"49 CFR 831.50","heading":"Applicability of this subpart.","body":"(a) The regulations in this subpart apply when the NTSB is leading a marine or major marine casualty investigation.\n(b) In a marine or major marine casualty investigation led by the United States Coast Guard (USCG), this subpart applies if:\n(1) Upon USCG's request for assistance, the NTSB is leading an associated investigative activity; or\n(2) Upon coordination with the USCG, the NTSB elects to collect, test or analyze additional evidence beyond the scope of the USCG's investigation.","path":["Title 49—Transportation","Subtitle B—Other Regulations Relating to Transportation","CHAPTER VIII—NATIONAL TRANSPORTATION SAFETY BOARD","PART 831—INVESTIGATION PROCEDURES","Subpart E—Marine Investigations"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-49.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:34Z","sha256":"6d4845ae468e62d7f17e93e94a4353c8bbf60fa04fcf090608c3c7fefe51e490","source_id":"us-cfr","stale":true,"prev":"us/49-cfr-831.40","next":"us/49-cfr-831.51"},"notice":"GroundRules: Original legal text. Not legal advice."}