Text in force at CS29-12: from CS29-0, effective 14 Nov 2003.
(a) There m ust be a fuel strainer for the fuel tank outlet or for t he booster pump. Thi s strainer must:
(1) For reci procating engi ne powered rotorcraft, have 3 t o 6 m eshes per cm (8 t o 16 meshes per inch); and
(2) For turbine engine powered rotorcraft, prevent t he passage of any object that could restrict fuel flow or damage any fuel system component.
(b) The clear area of each fuel tank outlet strainer must be at least five tim es the area of the outlet line.
(c) The diameter of each strainer m ust be at least that of the fuel tank outlet.
(d) Each finger strainer m ust be accessible for inspection and cleaning.
ED Decision 2003/016/RM · Source