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Accident
Last updated: 26 July 2017
Status:Schlussbericht
Datum:Donnerstag 11 August 2016
Zeit:16:47
Flugzeugtyp:Silhouette image of generic AN2 model; specific model in this crash may look slightly different
Antonow 2R
Fluggesellschaft:ALROSA
Kennzeichen: RA-17812
Werknummer: 1G204-13
Baujahr: 1983
Betriebsstunden:12135
Besatzung:Todesopfer: 0 / Insassen: 2
Fluggäste:Todesopfer: 0 / Insassen: 1
Gesamt:Todesopfer: 0 / Insassen: 3
Sachschaden: Schwer beschädigt
Unfallort:Polyarnyj Airport (PYJ) (   Russland)
Flugphase: Landung (LDG)
Betriebsart:Kontrollflug
Flug von:Polyarnyj Airport (PYJ/UERP), Russland
Flug nach:Polyarnyj Airport (PYJ/UERP), Russland
Unfallbericht:
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

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


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