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Last updated: 18 January 2020
Fecha:domingo 21 septiembre 1969
Tipo:Silhouette image of generic B721 model; specific model in this crash may look slightly different
Boeing 727-64
Operador:Mexicana de Aviación
Registración: XA-SEJ
Numéro de série: 19255/331
Año de Construcción: 1966-10-26 (2 years 11 months)
Motores: 3 Pratt & Whitney JT8D-7B
Tripulación:Fatalidades: 5 / Ocupantes: 7
Pasajeros:Fatalidades: 22 / Ocupantes: 111
Total:Fatalidades: 27 / Ocupantes: 118
Daños en la Aeronave: Anulado
Consecuencias: Written off (damaged beyond repair)
Ubicación:1,5 km (0.9 milles) NE of Mexico City-Juarez International Airport (MEX) (   México)
Fase: Aproximación (APR)
Naturaleza:Vuelo Internacional Programado
Aeropuerto de Salida:Chicago-O'Hare International Airport, IL (ORD/KORD), Estados Unidos de América
Aeropuerto de Llegada:Mexico City-Benito Juárez International Airport (MEX/MMMX), México
Número de Vuelo:MX801
The Boeing 727 was cleared for a runway 23L ILS approach at Mexico City-Juarez International Airport (MEX) when it suddenly lost height and struck the ground 1500 m short of the runway. The aircraft became airborne again until the undercarriage and forward fuselage struck a railway embankment. Aircraft configuration at the time of the accident was gear down, flaps 30deg, leading edge slats extended, spoilers retracted, stabilizer at 10.25 units nose up.
No data could be retrieved from the Flight Data Recorder because it had been incorrectly installed two days prior to the accident. The Cockpit Voice Recorder had been removed and no replacement had been installed.

Probable Cause:

PROBABLE CAUSE: Undetermined.


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This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Chicago-O'Hare International Airport, IL to Mexico City-Benito Juárez International Airport as the crow flies is 2700 km (1687 miles).
Accident location: Approximate; accuracy within a few kilometers.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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Boeing 727

  • 1832 built
  • 13th loss
  • 11th accidente fatal
  • 9th worst accident (a la hora)
  • 43rd worst accident (actualmente)
» safety profile

  • 3rd worst accident (a la hora)
  • 7th worst accident (actualmente)
» safety profile