Earlier , data from a Trident 's quick access recorder had provided the AAIB with useful supplemental data over-and-above that of the aircraft 's flight data recorder that helped the diagnosing of the cause of the 1972 British European Airways Flight 548 , the " Staines air disaster " where the Trident 's leading edge high lift devices ( " droops " ) had been retracted too early and at too low an airspeed
British European Airways Flight 548
British European Airways Flight 548
Quick access recorder