Incident Overview

Date: Wednesday 21 July 2010
Aircraft Type: Antonov An-12BK
Owner/operator: Khabarovsk Avia
Registration Number: RA-11376
Location: Keperveyem Airport – ÿ Russia
Phase of Flight: Take off
Status: Substantial, written off
Casualties: Fatalities: 0 / Occupants: 8
Component Affected: Nose landing gear control systemNose landing gear control system
Investigating Agency: MAKMAK
Category: Accident
During takeoff, an An-12BK RA-11376 skidded to the left and off the side of runway 27, resulting in damage to the fuselage and landing gear. Following crossing marshland, it collided with a 1.5 m high barrier on a helipad, halting the aircraft at a distance of 880 m and 120 m to the left of the runway’s longitudinal axis. The accident was attributed to uncontrolability of the nose gear due to a faulty nose landing gear control system during taxiing and subsequent takeoff and landing.During takeoff, an An-12BK RA-11376 skidded to the left and off the side of runway 27, resulting in damage to the fuselage and landing gear. Following crossing marshland, it collided with a 1.5 m high barrier on a helipad, halting the aircraft at a distance of 880 m and 120 m to the left of the runway’s longitudinal axis. The accident was attributed to uncontrolability of the nose gear due to a faulty nose landing gear control system during taxiing and subsequent takeoff and landing.

Description

During takeoff the aircraft skidded to the left and went off the side of runway 27, continuing on marshland. In the process, destroying the bottom of the fuselage and landing gear. After crossing the marshland the aircraft collided with a 1.5 m high barrier on the side of a helipad. The aircraft stopped on the helipad at a distance of 880 m and 120 m to the left of the longitudinal axis of the runway. Conclusion (translated from Russian): The accident without casualties to the aircraft An-12BK RA-11376 was the result of uncontrollability of the nose gear due to the failure of the nose landing gear control system in the taxi during takeoff and landing position due to failure of switch VG15-2S. The captain, in violation of FAP 128, did not control working the steering system of the An-12 in preparation for take-off and did not take measures to stop the takeoff roll.

Primary Cause

Failure of the nose landing gear control system during taxiing and takeoff, leading to uncontrolability of the nose gear.Failure of the nose landing gear control system during taxiing and takeoff, leading to uncontrolability of the nose gear.

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