Design Flaws
03/31/1931 Bazaar, Kansas Trans Cont. & West AW Aileron flutter, brought about by moisture leaking into the wing's interior, weakening the glue that bonded the wooden spars.
10/24/1947 Bryce Canyon, Utah United AL Allowed vented fuel to be carried back into the cabin heater air intake causing a fire.
11/11/1947 Gallup, New Mexico American AL Allowed vented fuel to be carried back into the cabin heater air intake causing a fire.
06/17/1948 Mt. Carmel, Pennsylvania United AL Design flaw allowed carbon dioxide used to suppress a fire to leak into the cockpit and asphyxiate the crew.
08/29/1948 Winona, Minnesota Northwest Orient AL Loss of the outer panel of the left wing which separated as a result of a fatigue crack which was induced by a faulty design of a wing flange.
01/10/1954 Elba, Italy British Overseas AW Metal fatigue due to a design flaw.
04/08/1954 Off Stromboli, Italy Trans Canada AL Metal fatigue due to a design flaw.
02/05/1955 Calabar, Nigeria West African AW A design flaw in the wing led to fatigue cracks and wing failure.
09/29/1959 Buffalo, Texas Braniff AL A design flaw caused an oscillation known as mode to transfer propeller wobble to the outboard nacelles and induce flutter in the wing which led to the separation of the wing.
03/17/1960 Tell City, Indiana Northwest Orient AL A design flaw caused an oscillation known as mode to transfer propeller wobble to the outboard nacelles and induce flutter in the wing which led to the separation of the wing.
07/05/1970 Toronto, Canada Air Canada Faulty design by allowing the spoiler handle to perform two different unrelated tasks.
03/03/1974 Ermenonville, France Turkish AL A defect in the latching mechanism on the cargo door.
07/06/1982 Moscow, Russia Aeroflot Failure of the aircraft's power plant fire warning system due to design deficiencies which resulted in false fire indications in both engines.
02/24/1989 United Air Lines Honolulu, Hawaii Poorly designed latching mechanism of cargo door.
04/06/1993 Over the Pacific Ocean China Eastern AL Inadequate design of flap/slat actuation handle that allowed it to be inadvertently dislodged from the UP/RET position causing extension of the leading edge slats.
03/03/1991 Colorado Springs, Colorado United AL Uncommanded deflection of the rudder caused by the jamming of the main rudder PUC servo valve. Design flaw.
04/06/1993 Shemya, Alaska China Eastern Airlines Inadequate design of the flap/slat actuation handle that allowed the handle to be easily and inadvertently dislodged from the UP/RET position,
09/08/1994 Aliquippa, Pennsylvania USair Uncommanded deflection of the rudder caused by the jamming of the main rudder PUC servo valve. Design flaw.
10/31/1994 Roselawn, Indiana American Eagle The design of the rubber de-icing boot was insufficient to deal with icing on the wings.
12/05/1997 Irkutsk, Russia Russian Air Force Design flaw which led to uncoordinated operation of the high-pressure compressors.

 


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