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Last updated: 21 October 2019
Statuts:Enquête Officielle
Date:mercredi 17 mai 2017
Heure:15:25
Type/Sous-type:Silhouette image of generic LJ25 model; specific model in this crash may look slightly different
Learjet 25B
Compagnie:Aerotransportes Huitzilin
Immatriculation: XA-VMC
Numéro de série: 25-114
Année de Fabrication: 1973
Heures de vol:14757
Cycles:13567
Moteurs: 2 General Electric CJ610-6
Equipage:victimes: 2 / à bord: 2
Passagers:victimes: 0 / à bord: 0
Total:victimes: 2 / à bord: 2
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:ca 0,5 km E of Toluca-Licenciado Adolfo López Mateos International Airport (TLC) (   Mexique)
Phase de vol: En montée initiale (ICL)
Nature:Privé
Aéroport de départ:Toluca-Licenciado Adolfo López Mateos International Airport (TLC/MMTO), Mexique
Aéroport de destination:Durango-Guadalupe Victoria Airport (DGO/MMDO), Mexique
Détails:
The aircraft impacted the terrain shortly after takeoff from runway 15 at Toluca International Airport in Mexico. The airplane was partially consumed by the post-impact fire and the two pilots onboard received fatal injuries.
During takeoff, at a speed above V1, the flight crew received a warning that the no.1 engine thrust reverser had deployed. The takeoff was continued and engine power of engine no.1 was reduced to idle. During initial climb the flight crew inadvertently deployed the drag chute. The airplane banked left and the crew lost control of the aircraft.

Probable Cause:

Probable Cause:
"Loss of control of the aircraft during the emergency procedure of indication of the deployment of the reverse of the engine number one during the take-off run above V1, which was consistent with the training and standard operating procedures that call to continue the take-off, causing the collapse of the aircraft, by low speed and the operation of abrupt maneuvers and turns towards the engine side in IDLE position and commanded opening of the Drag Shut for lack of an adequate CRM".
Contributing factors:
1. False indication of reverse display of dwelling position number one.
2. Failure of pilots of previous flights not to refer failures to indicate the deployment of reverses for maintenance actions.

Accident investigation:
cover
Investigating agency: DGCA Mexico
Status: Investigation completed
Accident number: ACCDTAFA019/2017MMTO
Download report: Final report

Sources:
» Enfoque Noticias
» hoyestado.com

METAR Weather report:
19:49 UTC / 14:49 local time:
MMTO 171949Z 26006KT 5SM BKN015 26/08 A3028 RMK 8/200 HZY

20:33 UTC / 15:33 local time:
MMTO 172033Z 30005KT 5SM SCT015TCU 26/06 A3026 RMK 8/200 HZY

20:50 UTC / 15:50 local time:
MMTO 172050Z 20005KT 5SM SCT015TCU 25/05 A3026 RMK SLP015 57020 965 8/200 HZY


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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 Toluca-Licenciado Adolfo López Mateos International Airport et Durango-Guadalupe Victoria Airport est de 734 km (459 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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