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Last updated: 17 September 2021
Fecha:martes 4 noviembre 2008
Tipo:Silhouette image of generic LJ45 model; specific model in this crash may look slightly different
Learjet 45
Operador:Mexican Government
Registración: XC-VMC
Numéro de série: 45-028
Año de Construcción: 2000
Horas Totales de la Célula:2486
Motores: 2 Garrett TFE731-20AR-1B
Tripulación:Fatalidades: 3 / Ocupantes: 3
Pasajeros:Fatalidades: 6 / Ocupantes: 6
Total:Fatalidades: 9 / Ocupantes: 9
Víctimas en Tierra:Fatalidades: 7
Daños en la Aeronave: Destruido
Consecuencias: Written off (damaged beyond repair)
Ubicación:12 km (7.5 milles) W of Mexico City-Benito Juárez International Airport (MEX) (   México)
Fase: Aproximación (APR)
Naturaleza:Official state flight
Aeropuerto de Salida:San Luis Potosí Airport (SLP/MMSP), México
Aeropuerto de Llegada:Mexico City-Benito Juárez International Airport (MEX/MMMX), México
The Learjet departed San Luis Potosí (SLP) at 18:04 on a flight to Mexico City (MEX). On board were a.o. Mexican Interior Minister Juan Camilo Mourino, Deputy Attorney General José Luis Santiago Vasconcelos and Miguel Monterrubio Cubas, the director of social communication.
The flight was uneventful and at 18:40 the flight was cleared direct to the MATEO VOR. The controller instructed the crew to increase their speed to 220 knots and cleared the flight for an ILS/DME approach to runway 05R.
The Learjet was trailing a Boeing 767-300 (Mexicana Flight 1692 from Buenos Aires), which was instructed to decrease speed to 160 knots to maintain separation with a preceding Airbus A318. At 18:41 a further instruction was given to slow down to an indicated airspeed of 150 knots.
At 18:42 the Boeing 767 crossed MATEO VOR at a ground speed of 224 knots. The Learjet was following at 8 nautical miles (NM) at a ground speed of 272 knots.
At 18:44 the controller instructed Mexicana Flight 1692 to slow down to the minimum approach speed. At that time, the Learjet 45
was crossing the MATEO VOR with a ground speed of 262 knots, approximately 5.7 NM behind.
The controller then instructed the Learjet crew to reduce their airspeed to 180 knots. This was acknowledged but it took 16 seconds for the crew to take action.
Separation between the Boeing 767 and Learjet had decreased to 3.8 NM and the Learjet entered the wake turbulence of the 767.
Control was lost and the aircraft entered an uncontrolled descent, impacting on the Monte Pelvoux and Ferrocarril de Cuernavaca Avenues. The aircraft disintegrated and a fire erupted. Several cars were destroyed and seven people on the ground were killed.

Probable Cause:

Causa probable: "Pérdida de control a baja altura y posterior impacto de la aeronave con el terreno, por encuentro con turbulencia de estela producida por la aeronave que le precedía."

Factores Contribuyentes:
1. Falta de capacitación adecuada de la tripulación en el Lear Jet 45.
2. Demora de la tripulación de vuelo en la reducción de la velocidad.
3. Falta del Control de Tránsito Aéreo en emitir una medida correctiva al acercamiento excesivo de las aeronaves.
4. Probable fatiga acumulada en el Controlador de Tránsito Aéreo.
5. Otorgamiento de capacidades de vuelo, con problemas administrativos y probable corrupción.
6. Insuficiente supervisión del operador de la aeronave al prestador de servicio de mantenimiento y operación.

Accident investigation:
Investigating agency: DGCA Mexico
Status: Investigation completed
Duration: 1 years
Accident number: Final report
Download report: Final report

» Secretariá de Comunicaciones y Transportes (SCT)


photo of Learjet-45-HB-VMC
accident date: 04-11-2008
type: Learjet 45
registration: HB-VMC

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 San Luis Potosí Airport to Mexico City-Benito Juárez International Airport as the crow flies is 366 km (229 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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