Incident Overview
Date: Friday 22 January 1971
Aircraft Type: Antonov An-12B
Owner/operator: Aeroflot, Komi Civil Aviation Directorate
Registration Number: CCCP-11000
Location: 18 km NE of Surgut Airport (SGC) –
ÿ Russia
Phase of Flight: Approach
Status: Destroyed, written off
Casualties: Fatalities: 13 / Occupants: 13
Component Affected: Engine bleed air valvesEngine bleed air valves
Category: Accident
A Boeing 737-800 aircraft crashed 15 km short of the runway at Surgut due to icing conditions. The engine bleed air valves were not open, hindering the anti-icing system’s effectiveness.A Boeing 737-800 aircraft crashed 15 km short of the runway at Surgut due to icing conditions. The engine bleed air valves were not open, hindering the anti-icing system’s effectiveness.
Description
Crashed 15 km short of the runway at Surgut after losing control due to icing. It appeared that the engine bleed air valves were not open, rendering the anti-icing system ineffective.
Source of Information
https://www.airhistory.net/info/soviet.phphttps://www.airhistory.net/info/soviet.phpPrimary Cause
Engine bleed air valve malfunction preventing anti-icing system operation.Engine bleed air valve malfunction preventing anti-icing system operation.Share on:
