§25.1015 Oil tank tests

Each oil tank must be designed and installed so that – (a) It can withstand, without failure, each vibration, inertia, and fluid load that it may be subjected to in operation; and (b) It meets the provisions of CS 25.965, except – (1) The test pressure – (i) For pressurised tanks used with a turbine engine, may not be less than 34 kPa (5 psi) plus the maximum operating pressure of the tank instead of the pressure specified in CS 25.965(a); and (ii) For all other tanks, may not be less than 34 kPa (5 psi) instead of the pressure specified in CS 25.965(a); and (2) The test fluid must be oil at 121ºC (250ºF) instead of the fluid specified in CS 25.965(c).