{"data":{"id":"us/46-cfr-182.470","jurisdiction":"us","citation":"46 CFR 182.470","heading":"Ventilation of spaces containing diesel fuel tanks.","body":"(a) Unless provided with ventilation that complies with § 182.465, a space containing a diesel fuel tank and no machinery must meet the requirements of this section.\n(1) A space of 14 cubic meters (500 cubic feet) or more in volume must have a gooseneck vent of not less than 65 millimeters (2.5 inches) in diameter.\n(2) A space of less than 14 cubic meters (500 cubic feet) in volume must have a gooseneck vent of not less than 40 millimeters (1.5 inches) in diameter.\n(b) Vent openings may not be located adjacent to possible sources of vapor ignition.\n(c) A vessel of not more than 19.8 meters (65 feet) in length, carrying not more than 12 passengers, with ventilation installations in accordance with ABYC H-32 (incorporated by reference; see 46 CFR 175.600) will be considered as meeting the requirements of this section.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER T—SMALL PASSENGER VESSELS (UNDER 100 GROSS TONS)","PART 182—MACHINERY INSTALLATION","Subpart D—Specific Machinery Requirements"],"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":"9bd24557309103defa0125d4fb65bcc0e3ba97b07edc397179bd467b57a56598","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-182.465","next":"us/46-cfr-182.480"},"notice":"GroundRules: Original legal text. Not legal advice."}