14 CFR 29.1015 - Oil tank tests.
Each oil tank must be designed and installed so that -
(a) It can withstand, without failure, any vibration, inertia, and fluid loads to which it may be subjected in operation; and
(1) For pressurized tanks used with a turbine engine, the test pressure may not be less than 5 p.s.i. plus the maximum operating pressure of the tank; and
(2) For all other tanks, the test pressure may not be less than 5 p.s.i.