Incident Overview

Date: Saturday 4 May 2019
Aircraft Type: Antonov An-2R
Owner/operator: Voskhod LLC
Registration Number: RA-01443
Location: Vyun, Tomponsky region – ÿ Russia
Phase of Flight: Landing
Status: Substantial, written off
Casualties: Fatalities: 0 / Occupants: 2
Component Affected: Landing gear strutsLanding gear struts
Investigating Agency: MAKMAK
Category: Accident
An An-2 agricultural aircraft, RA-01443, resulted in a significant accident during landing at the Tomponsky gold ore deposit in Yakutia. The accident caused substantial damage to the aircraft, including broken propeller, damaged engine and fuselage, torn off landing gear struts, destroyed fuselage skin, and damaged flaps and spars. The incident was likely triggered by the destruction of the right main landing gear strut by an adjacent aircraft, followed by further damage to the aircraft.An An-2 agricultural aircraft, RA-01443, resulted in a significant accident during landing at the Tomponsky gold ore deposit in Yakutia. The accident caused substantial damage to the aircraft, including broken propeller, damaged engine and fuselage, torn off landing gear struts, destroyed fuselage skin, and damaged flaps and spars. The incident was likely triggered by the destruction of the right main landing gear strut by an adjacent aircraft, followed by further damage to the aircraft.

Description

The aircraft operated on a cargo flight from Ust-Nera to the Vyun landing site at the gold ore deposit in the Tomponsky region of Yakutia, Russia. An accident occurred while landing. As a result, the aircraft received significant damage: the propeller was broken, the engine and the fuselage were damaged, the landing gear struts were torn off, the fuselage skin was destroyed and the flaps and spars of the lower wings were damaged. Probable cause: The accident with the An-2 agricultural aircraft RA-01443 occurred as a result of the destruction of the right main landing gear strut during landing, followed by damage to the aircraft. Likely contributing factors were: – unsatisfactory performance of the welded joint in the manufacture of the strut with the formation of welding cracks in one of the most stressed zones of the strut; – Pilot errors, which led to an early landing of the aircraft, possibly rough, on an unprepared (uncleared) area with possible obstacles.

Primary Cause

Destruction of the right main landing gear strut by an adjacent aircraft.Destruction of the right main landing gear strut by an adjacent aircraft.

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