An Aeroflot Tupolev Tu-154B-2 similar to the one involved in the accident is seen here at Zürich Airport in 1982. |
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| Accident summary | |
|---|---|
| Date | July 10, 1985 |
| Type | Pilot error |
| Site | Uchkuduk, Uzbek SSR, Soviet Union 42°9′24″N 63°33′20″E / 42.15667°N 63.55556°ECoordinates: 42°9′24″N 63°33′20″E / 42.15667°N 63.55556°E |
| Passengers | 191 |
| Crew | 9 |
| Injuries | 0 |
| Fatalities | 200 (all) |
| Survivors | 0 |
| Aircraft type | Tupolev Tu-154B-2 |
| Operator | Aeroflot |
| Tail number | CCCP-85311 |
| Flight origin | Tashkent Airport |
| 1st stopover | Karshi Airport |
| 2nd stopover | Orenburg Airport |
| Destination | Pulkovo Airport |
Aeroflot Flight 7425 refers to a Tupolev Tu-154B-2, registration CCCP-85311, that was operating a domestic scheduled Tashkent–Karshi–Orenburg–Leningrad passenger service under the airline's Uzbekistan division, that crashed near Uchkuduk, Uzbek SSR, Soviet Union, while en route its second leg. The crash killed all 200 occupants on board.[1][2]
The aircraft was covering the second leg of the flight, cruising at an altitude of 11,600 metres (38,100 ft) with an airspeed of only 400 kilometres per hour (250 mph), close to stalling speed for that altitude. The low speed caused vibrations which the aircrew incorrectly assumed were engine surges. Using the thrust levers to reduce engine power to flight idle, the crew caused a further drop in airspeed to 290 km/h (180 mph). The aircraft stalled and entered a flat spin, crashing into the ground near Uchkuduk, Uzbekistan, at that time in the Soviet Union. There were no survivors among the 191 passengers and the 9 crewmen.[1]
It is the deadliest air disaster in Soviet and Uzbek aviation history, and as of February 2012[update] has the highest worldwide death toll of any accident involving a Tupolev Tu-154.[1]
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