{"data":{"id":"us/46-cfr-42.15-50","jurisdiction":"us","citation":"46 CFR 42.15-50","heading":"-50 Air pipes.","body":"(a) Where air pipes to ballast and other tanks extend above the freeboard or superstructure decks, the exposed parts of the pipes shall be of substantial construction; the height from the deck to the point where water may have access below shall be at least 30 inches on the freeboard deck and 17 1/2 inches on the superstructure deck. Where these heights may interfere with the working of the vessel, a lower height may be approved, provided the assigning authority is satisfied that the closing arrangements and other circumstances justify a lower height. Satisfactory means permanently attached, shall be provided for closing the openings of the air pipes.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER E—LOAD LINES","PART 42—DOMESTIC AND FOREIGN VOYAGES BY SEA","Subpart 42.15—Conditions of Assignment of Freeboard"],"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":"82729a4ce9bd8ecf54a366bb5626baed68ff9c7f8c5e6abee9736f2af8aca78c","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-42.15-45","next":"us/46-cfr-42.15-55"},"notice":"GroundRules: Original legal text. Not legal advice."}