This specification specifies the general requirements for the design, performance and testing of fire and explosion protection devices or systems for aircraft fuel tanks or fuel tank compartments. This specification is applicable to the design and testing of fire and explosion-proof devices or systems to suppress fires in aircraft fuel tanks and fuel tank compartments (or dry compartments) caused by lightning strikes, shelling, refueling, engine failures, etc.
HB 6557-1991 history
1992HB 6557-1991 General specification for fire and explosion protection devices of aircraft fuel tanks