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Accident description
Last updated: 24 November 2017
Status:Final
Date:Thursday 11 August 2016
Time:16:47
Type:Silhouette image of generic AN2 model; specific model in this crash may look slightly different
Antonov 2R
Operator:ALROSA
Registration: RA-17812
C/n / msn: 1G204-13
First flight: 1983
Total airframe hrs:12135
Crew:Fatalities: 0 / Occupants: 2
Passengers:Fatalities: 0 / Occupants: 1
Total:Fatalities: 0 / Occupants: 3
Airplane damage: Substantial
Location:Polyarnyj Airport (PYJ) (   Russia)
Phase: Landing (LDG)
Nature:Survey/research
Departure airport:Polyarnyj Airport (PYJ/UERP), Russia
Destination airport:Polyarnyj Airport (PYJ/UERP), Russia
Narrative:
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

Classification:
Runway excursion

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


Photos

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