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Accident
Last updated: 28 June 2016
Status:
Datum:Mittwoch 10 Juli 1985
Zeit:23:46 MSK
Flugzeugtyp:Silhouette image of generic T154 model; specific model in this crash may look slightly different
Tupolew 154B-2
Fluggesellschaft:Aeroflot / Uzbekistan
Kennzeichen: CCCP-85311
Werknummer: 78A-311
Baujahr: 1978
Triebwerk: 3 Kuznetsov NK-8-2U
Besatzung:Todesopfer: 9 / Insassen: 9
Fluggäste:Todesopfer: 191 / Insassen: 191
Gesamt:Todesopfer: 200 / Insassen: 200
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:nahe Uchkuduk (   Usbekistan)
Flugphase: Während des Fluges (ENR)
Betriebsart:Inländischer planmäßiger Passagierflug
Flug von:Karshi Airport (KSQ/UTSL), Usbekistan
Flug nach:Ufa Airport (UFA/UWUU), Russland
Flugnummer:SU7425
Unfallbericht:
The Tupolev 154 departed Karshi (KSQ) on a flight to Leningrad (LED) via Ufa (UFA). The flight crew climbed to the cruising altitude of FL380 (11.600 m) at an airspeed of 400 km/h, which is close to stall speed under the given conditions. During cruise flight vibrations started because of the low airspeed. The crew assumed that the vibrations were caused by engine surges. They reduced power to flight idle, causing the airspeed to drop to 290 km/h. Trying to maintain altitude, the airplane eventually stalled. The Tu-154 went into a flat spin and crashed.

Informationsquelle:
» Aviation Week & Space Technology (Jan.25 1993-p.57)
» Dmitriy Yerstov
» Izvestija
» Soviet Transports


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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 Karshi Airport to Ufa Airport as the crow flies is 1892 km (1182 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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