{"data":{"id":"us/46-cfr-197.342","jurisdiction":"us","citation":"46 CFR 197.342","heading":"Buoyancy-changing devices.","body":"(a) A dry suit or other buoyancy-changing device not directly connected to the exhaust valve of the helmet or mask must have an independent exhaust valve.\n(b) When used for SCUBA diving, a buoyancy-changing device must have an inflation source separate from the breathing gas supply.","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":"0fb845b6f8f57fa742039a2a2a6618b4c704a722afc33afa764b05095fe026c8","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-197.340","next":"us/46-cfr-197.344"},"notice":"GroundRules: Original legal text. Not legal advice."}