Crash-aerien 09 SEP 2009 d'un Yakovlev Yak-40 RA-87447 - Aktyubinsk Airport (AKX)
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Statuts:Accident investigation report completed and information captured
Date:mercredi 9 septembre 2009
Type/Sous-type:Silhouette image of generic YK40 model; specific model in this crash may look slightly different
Yakovlev Yak-40
Compagnie:Bugulma Air Enterprise
Immatriculation: RA-87447
Numéro de série: 9430436
Année de Fabrication: 1974
Heures de vol:25427
Moteurs: 3 Ivchenko AI-25
Equipage:victimes: 0 / à bord: 4
Passagers:victimes: 0 / à bord: 8
Total:victimes: 0 / à bord: 12
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:Aktyubinsk Airport (AKX) (   Kazakhstan)
Phase de vol: A l'atterrissage (LDG)
Nature:Charter National
Aéroport de départ:Begishevo/Naberevnye Chelny Airport (NBC/UWKE), Fédération de Russie
Aéroport de destination:Aktyubinsk Airport (AKX/UATT), Kazakhstan
Numéro de vol:9401
A Russian Yak-40 jet sustained substantial damage during a failed go around at Aktyubinsk Airport (AKX), Kazakhstan. The airplane, operated by Bugulma Air Enterprise, carried out a charter flight from Kazan Airport (KZN), Russia to Aktyubinsk Airport (AKX) -- also known as Aktobe, with an intermediate stop at Begishevo (NBC), Russia. The airplane was chartered by the SMP-Neftegaz oil company.
The flight was uneventful. Upon landing at Aktyubinsk, the crew felt a movement to the left when the nose landing gear touched the runway. The pilot pulled the nose up. He feared that lowering the nose would result in a loss of directional control again. He ordered a go around and instructed the crew to stow the reversers The undercarriage was retracted at a height of 3-5 m above the runway. The airplane sank back with the tail striking the runway.

Probable Cause:

CONCLUSION (translated from Russian):
The accident with Yak-40 RA-87447 was the result of erroneous actions of the crew while trying to execute a go around on landing, damaging the aircraft structure, and resulted from a combination of the following factors:
- The crew's unintended selection of the landing flaps to the fully retracted position shortly after leaving the ground, which led to a decrease in wing lift and subsidence of the aircraft;
- Retraction of the undercarriage at a low altitude, which led, in the subsidence aircraft, to the aircraft fuselage contacting the runway surface and further movement on the runway on the nose landing gear and part of the tracted main landing gear wheels;
- The crew's attempt to go around with the engine reversers deployed, resulting in insufficient acceleration during the takeoff.

The decision to go around was made by the captain, most likely due to the longitudinal plane imbalance that has arisen in the first seconds of the path of the aircraft and caused erroneous actions of the pilot in the performance of landing.

Accident investigation:
Investigating agency: MAK
Status: Investigation completed
Duration: 70 days (2 months)
Accident number: -
Download report: Final report


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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 Begishevo/Naberevnye Chelny Airport et Aktyubinsk Airport est de 678 km (424 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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