{"data":{"id":"us/33-cfr-183.520","jurisdiction":"us","citation":"33 CFR 183.520","heading":"Fuel tank vent systems.","body":"(a) Each fuel tank must have a vent system that prevents pressure in the tank from exceeding 80 percent of the pressure marked on the tank label under § 183.514(b)(5).\n(b) Each vent must:\n(1) Have a flame arrester that can be cleaned unless the vent is itself a flame arrestor; and\n(2) Not allow a fuel overflow at the rate of up to two gallons per minute to enter the boat.","path":["Title 33—Navigation and Navigable Waters","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER S—BOATING SAFETY","PART 183—BOATS AND ASSOCIATED EQUIPMENT","Subpart J—Fuel Systems"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-33.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:25:35Z","sha256":"c77196d4845e0237522d72386f3a9e10737850372f306e3a70737a0d3512fd34","source_id":"us-cfr","stale":true,"prev":"us/33-cfr-183.518","next":"us/33-cfr-183.524"},"notice":"GroundRules: Original legal text. Not legal advice."}