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Last updated: 21 January 2020
Datum:Sonntag 21 September 1969
Flugzeugtyp:Silhouette image of generic B721 model; specific model in this crash may look slightly different
Boeing 727-64
Fluggesellschaft:Mexicana de Aviación
Kennzeichen: XA-SEJ
Werknummer: 19255/331
Baujahr: 1966-10-26 (2 years 11 months)
Triebwerk: 3 Pratt & Whitney JT8D-7B
Besatzung:Todesopfer: 5 / Insassen: 7
Fluggäste:Todesopfer: 22 / Insassen: 111
Gesamt:Todesopfer: 27 / Insassen: 118
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:1,5 km (0.9 Meilen) NE of Mexico City-Juarez International Airport (MEX) (   Mexiko)
Flugphase: Annäherung (APR)
Betriebsart:Internationaler Linienflug
Flug von:Chicago-O'Hare International Airport, IL (ORD/KORD), USA
Flug nach:Mexico City-Benito Juárez International Airport (MEX/MMMX), Mexiko
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

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