33 CFR § 183.580
Static pressure test for fuel tanks
August 2, 2023
§ 183.580 Static pressure test for fuel tanks.
A fuel tank is tested by performing the following procedures in the following order:
(a) Fill the tank with air or inert gas to the pressure marked on the tank label under § 183.514(b)(5).
(b) Examine each tank fitting and seam for leaks using a leak detection method other than the pressure drop method.
[CGD 74–209, 42 FR 5950, Jan. 31, 1977, as amended by CGD 81–092, 48 FR 55737, Dec. 15, 1983]