(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).
(b) Each vent must:
(1) Have a flame arrester that can be cleaned unless the vent is itself a flame arrestor; and
(2) Not allow a fuel overflow at the rate of up to two gallons per minute to enter the boat.
[CGD 74-209, 42 FR 5950, Jan. 31, 1977, as amended by CGD 77-98, 42 FR 36253, July 14, 1977]
authority: 46 U.S.C. 4302; Pub. L. 103-206, 107 Stat. 2439; and Department of Homeland Security Delegation No. 0170.1, para. II, (92)(b). Subpart E is also authorized by Pub. L. 114-120, 130 Stat. 27
source: CGD 72-61R, 37 FR 15782, Aug. 4, 1972, unless otherwise noted.
cite as: 33 CFR 183.520