Incident Overview
Date: Thursday 4 May 1972
Aircraft Type: Yakovlev Yak-40
Owner/operator: Aeroflot, East Siberia Civil Aviation Directorate
Registration Number: CCCP-87778
Location: 1,2 km from Bratsk Airport (BTK) –
ÿ Russia
Phase of Flight: Approach
Status: Destroyed, written off
Casualties: Fatalities: 18 / Occupants: 18
Component Affected: AircraftAircraft
Category: Accident
A Yak-40 aircraft crashed during an intense downdraft in a wet snow storm near Irkutsk Airport. The pilot received outdated weather information, which he relayed to the crew, leading to a catastrophic crash.A Yak-40 aircraft crashed during an intense downdraft in a wet snow storm near Irkutsk Airport. The pilot received outdated weather information, which he relayed to the crew, leading to a catastrophic crash.
Description
The Yak-40 took off from Irkutsk Airport (IKT) at 22:29. While on approach the crew were given the weather information that was current at 23:15. The controller had not received more recent weather information, despite his requests. He knew the weather had deteriorated but he passed the older weather info on to the crew. On finals the flight entered an area with a wet snow storm, 1000 m visibility severe buffeting and wind gusts of 10-14 m/s. An intense downdraft caused the plane to contact trees. The airplane crashed and burned.
Source of Information
https://www.airhistory.net/info/soviet.php, http://airdisaster.ru/database.php?id=212https://www.airhistory.net/info/soviet.php, http://airdisaster.ru/database.php?id=212Primary Cause
Outdated weather information and a severe downdraft.Outdated weather information and a severe downdraft.Share on:
