Design Flaws
| 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. |
| 10/29/2018 | Off Jakarta Indonesia | Lion Air | Software design flaw. Boeing 737 Max8 |
| 08/10/2019 | Bishoftu, Ethiopia | Etiopian Airlines | Software design flaw. Boeing 737 Max8 |
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