Abstract

The crash-worthiness design of civil transport aircraft fuel systems is significance to improve the safety of the aircraft in the case of a crash. CCAR25.993 (f) requires that “fuel feed line in the fuselage shall be assembled to allow reasonable deformation and tension without fuel leakage”. Fuel system fuselage fuel supply line with the appropriate hose configuration can take the advantage of the ductility of the material, and the guillotine test is accepted by worldwide examiners to validate the deformation and tensile capacity of the fuel hose to keep it from leaking fuel.

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