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Last updated: 18 February 2020
Statuts:Enquête Officielle
Date:jeudi 22 octobre 2015
Heure:15:28
Type/Sous-type:Silhouette image of generic LJ31 model; specific model in this crash may look slightly different
Learjet 31A
Compagnie:Grupo Constructor Plata
Immatriculation: XB-GYB
Numéro de série: 31-166
Année de Fabrication: 1998
Moteurs: 2 Garrett TFE731-2-2B
Equipage:victimes: 2 / à bord: 2
Passagers:victimes: 2 / à bord: 2
Total:victimes: 4 / à bord: 4
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:ca 4 km W of Apaseo el Alto (   Mexique)
Élévation des lieux de l'accident: 1890 m (6201 feet) amsl
Phase de vol: En vol (ENR)
Nature:Affaires
Aéroport de départ:Zacatecas-La Calera Airport (ZCL/MMZC), Mexique
Aéroport de destination:Toluca Airport (TLC/MMTO), Mexique
Détails:
A Learjet 31A was destroyed when it impacted a field near Apaseo el Alto, Mexico. All four occupants were killed.
The aircraft departed Zacatecas at 15:16 hours local time on a flight to Toluca. Last contact with the flight was during the climb to FL380 when the first officer reported turbulence. After reaching FL360 the aircraft entered a high speed descent until it collided with terrain. Investigation showed that the flight crew were in the process of recovering from the loss of control before the aircraft hit the ground.
The cause of the accident could not be established. However, it was considered that the stabilizer trim position had caused flight instability, misinterpreted as turbulence. An extreme nose-up trim could have initiated the loss of control.

Probable Cause:

Probable Cause: "Loss of control in flight due to undetermined causes due to lack of tests and components having been removed from the site of the accident".

Accident investigation:
cover
Investigating agency: CIDAIA Mexico
Status: Investigation completed
Duration: 2 years and 2 months
Accident number: ACC/DT/AF/A/051/2015 MMCY
Download report: Final report

Sources:
» Periódico Correo, 22-10-2015
» El Financiero, 22-10-2015


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Plan
Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Zacatecas-La Calera Airport et Toluca Airport est de 508 km (318 miles).
Accident location: Exact; as reported in the official accident report.

Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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