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Accident
Last updated: 16 August 2017
Statuts:Enquête Officielle
Date:jeudi 11 août 2016
Heure:16:47
Type/Sous-type:Silhouette image of generic AN2 model; specific model in this crash may look slightly different
Antonov 2R
Compagnie:ALROSA
Immatriculation: RA-17812
Numéro de série: 1G204-13
Année de Fabrication: 1983
Heures de vol:12135
Equipage:victimes: 0 / à bord: 2
Passagers:victimes: 0 / à bord: 1
Total:victimes: 0 / à bord: 3
Dégats de l'appareil: Substantiels
Lieu de l'accident:Polyarnyj Airport (PYJ) (   Fédération de Russie)
Phase de vol: A l'atterrissage (LDG)
Nature:Surveillance
Aéroport de départ:Polyarnyj Airport (PYJ/UERP), Fédération de Russie
Aéroport de destination:Polyarnyj Airport (PYJ/UERP), Fédération de Russie
Détails:
The Antonov 2R was engaged in an aeromagnetic survey flight. On board were two crew members and one passenger. During landing rollout the aircraft suffered a runway excursion. The left hand main landing gear leg failed as the aircraft came to rest on rough terrain.

Probable Cause:

CAUSE (translated from Russian):
The most likely cause of the accident with the AN-2 RA-17812 were uncoordinated actions of crew members after landing, when the second pilot transferred control to the PIC for braking and rollout, which with the presence of crosswind from the left within the allowable limits, led the aircraft to roll off the side of the runway, causing damage to the aircraft.

Contributing factors, most likely, were:
- design features of the An-2 RA-17812, associated with the possibility of braking the wheels of the landing gear only from the PIC seat, and the absence of a locking mechanism for the tail wheel;
- absence of information in the An-2 Aircraft flight manual (AFM) and ALROSA documents on the transfer of controls after landing and corresponding commands when the copilot is landing.

Accident investigation:
cover
Investigating agency: MAK
Status: Investigation completed
Duration: 246 days (8 months)
Accident number: Final report
Download report: Final report

Sources:
» East Siberian Investigation Department of the transport of the Investigative Committee of the Russian Federation
» MAK


Photos

photo of Antonov 2R RA-17812
photo of Antonov 2R RA-17812
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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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