{"data":{"id":"us/46-cfr-197.430","jurisdiction":"us","citation":"46 CFR 197.430","heading":"SCUBA diving.","body":"The diving supervisor shall insure that—\n(a) SCUBA diving is not conducted—\n(1) Outside the no-decompression limits;\n(2) At depths greater than 130 fsw;\n(3) Against currents greater than one (1) knot unless line-tended; and\n(4) If a diver cannot directly ascend to the surface unless line-tended;\n(b) The SCUBA diver has the equipment required by § 197.346(a);\n(c) A standby diver is available while a diver is in the water;\n(d) A diver is line-tended from the surface or accompanied by another diver in the water in continuous visual contact during the diving operation;\n(e) When a diver is in a physically confining space, another diver is stationed at the underwater point of entry and is line-tending the diver; and\n(f) A boat is available for diver pickup when the divers are not line-tended from the dive location.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER V—MARINE OCCUPATIONAL SAFETY AND HEALTH STANDARDS","PART 197—GENERAL PROVISIONS","Subpart B—Commercial Diving Operations"],"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":"0a4f60b93558c12dfd89eef524076a39e112198a2bbe7c29c0541de771fa9c25","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-197.420","next":"us/46-cfr-197.432"},"notice":"GroundRules: Original legal text. Not legal advice."}