Narrative:
While en route from Alma-Ata (now Almaty) the vacuum regulator failed, resulting in failure of the gyroscopes and the auto-pilot. As the aircraft was flying in clouds the crew probably suffered from spatial disorientation and the aircraft crashed in the snow-covered Saryesik-Atyrau desert 105 km south-east of lake Balkhash. All 5 crew and the sole passenger were killed.
| Status: | |
| Date: | Wednesday 21 December 1955 |
| Time: | 06:45 |
| Type: |  Lisunov Li-2 |
| Operator: | Aeroflot, Kazakstan Civil Aviation Directorate |
| Registration: | CCCP-L4981 |
| MSN: | 23443307 |
| First flight: | 1952 |
| Total airframe hrs: | 4023 |
| Crew: | Fatalities: 5 / Occupants: 5 |
| Passengers: | Fatalities: 1 / Occupants: 1 |
| Total: | Fatalities: 6 / Occupants: 6 |
| Aircraft damage: | Damaged beyond repair |
| Location: | near Balkhash Lake ( Kazakhstan)
|
| Phase: | En route (ENR) |
| Nature: | Cargo |
| Departure airport: | Alma-Ata Airport (ALA/UAAA), Kazakhstan |
| Balkhash Airport (BXH/UAAH), Kazakhstan | |
| Flightnumber: | 90 |
While en route from Alma-Ata (now Almaty) the vacuum regulator failed, resulting in failure of the gyroscopes and the auto-pilot. As the aircraft was flying in clouds the crew probably suffered from spatial disorientation and the aircraft crashed in the snow-covered Saryesik-Atyrau desert 105 km south-east of lake Balkhash. All 5 crew and the sole passenger were killed.
Classification:
Loss of control
Sources:
» airdisaster.ruPhotos
Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Alma-Ata Airport to Balkhash Airport as the crow flies is 422 km (264 miles).
Distance from Alma-Ata Airport to Balkhash Airport as the crow flies is 422 km (264 miles).
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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