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Accident description
Last updated: 24 October 2017
Status:Final
Date:Saturday 17 September 2016
Type:Silhouette image of generic AN2 model; specific model in this crash may look slightly different
Antonov An-2R
Operating for:Technoservice-A
Leased from:Aviapartner
Registration: RA-84566
C/n / msn: 1G189-33
First flight: 1980
Engines: 1 Shvetsov ASh-62IR
Crew:Fatalities: 0 / Occupants: 1
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 0 / Occupants: 1
Airplane damage: Substantial
Location:5,5 km (3.4 mls) S of Tatarskoye Uraykino, Ulyanovsk Region (   Russia)
Phase: Landing (LDG)
Nature:Agricultural
Departure airport:?
Destination airport:?
Narrative:
An Antonov 2R aircraft sustained substantial damage in an accident near Tatarskoye Uraykino, Ulyanovsk Region, Russia.
The aircraft was being used to spray sunflower fields in the area to the south of Tatarskoye Uraykino. It operated from a strip of uncultivated land. During such a flight the aircraft hit sunflowers, causing some damage to the undercarriage and spraying equipment. The pilot apparently flew back to the landing strip. After touchdown the undercarriage collapsed and the aircraft swung to right. The pilot reportedly left the scene by car. The aircraft was found by authorities the next morning.
It appeared that the owner of the aircraft, Aviapartner as well as the operator Technoservice-A, both did not have an air operator's certificate. The owner refused to cooperate with the Russian investigation authority and did not reveal the name of the pilot.

Probable Cause:

Most likely, the cause of the crash of the An-2 RA-84566 was the destruction of the bolted connection of the front shoe of the undercarriage as a result of an unrealized single load due to a collision with an obstacle in flight during the execution of the AXR, which, during landing, led to the separation of the shoe from the fuselage. As a result, the geometry of the undercarriage was broken, which led to damage to the fuselage.

The contributing factors most likely were:
Violation of the requirements of the section "Minimum crew composition" of Chapter 2 "Flight restrictions" of the AOM of the An-2 aircraft, which establishes the composition of two pilots in the performance of aviation-chemical works;
violation of point 7.4 of FAP-128, according to which flights during the processing of plots (fields, orchards, vineyards, etc.) in flat terrain must be performed at heights of not less than 5 m.

Accident investigation:
cover
Investigating agency: MAK
Status: Investigation completed
Duration: 12 months
Accident number: Final report
Download report: Final report

Classification:

Sources:
» MAK
» Privolzhskoye investigation department on transport of the Investigative Committee of the Russian Federation
» Privolzhskoye MTU
» RG.ru


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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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