Aeroflot Flight 5143
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Wreckage of CCCP-85311
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| Accident summary | |
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| Date | 10 July 1985 |
| Summary | Stall due to pilot error and fatigue |
| Site | Uchkuduk, Uzbek SSR, Soviet Union Lua error in package.lua at line 80: module 'strict' not found. |
| Passengers | 191 |
| Crew | 9 |
| Fatalities | 200 |
| Survivors | 0 |
| Aircraft type | Tupolev Tu-154B-2 |
| Operator | Aeroflot |
| Registration | CCCP-85311 |
| Flight origin | Karshi Airport |
| Stopover | Ufa Airport |
| Destination | Pulkovo Airport |
Aeroflot Flight 5143 was a domestic scheduled Karshi–Ufa–Leningrad passenger flight that crashed near Uchkuduk, Uzbek SSR, Soviet Union, on 10 July 1985. The crash killed all 200 occupants (148 adults, including 9 crewmembers, and 52 children) on board. Investigators determined that crew fatigue was a factor in the accident.[1]
Passengers and crew
Flight 5143 was operated by a Tupolev Tu-154B-2, registration CCCP-85311. Led by pilot-in-command Oleg Pavlovich Belisov, the cockpit crew consisted of co-pilot Anatoly Timofeevich Pozyumsky, navigator Garry Nikolaevich Argeev, and flight engineer Abduvahit Sultanovich Mansurov. There were five flight attendants in the cabin.[2]
Accident
The aircraft was operating the first leg of the flight, and cruising at 11,600 metres (38,100 ft) with an airspeed of 400 km/h (220 kn; 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 (160 kn; 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.[1]
Flight 5143 remains the deadliest air disaster in Soviet and Uzbek aviation history, the deadliest in Aeroflot's history, and the deadliest accident involving a Tupolev Tu-154.[1]
Cause
Flight 5143's cockpit voice recorder was destroyed in the crash. Investigators, with the help of psychologists, studied the human factors that led to the accident. They found Flight 5143's flight crew were very fatigued at the time of the crash from having spent the prior 24 hours at the departure airport prior to takeoff. Another factor was inadequate regulations for crews encountering abnormal conditions.[3]
See also
References
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<references />, or <references group="..." />- ↑ 1.0 1.1 1.2 Accident description at the Aviation Safety Network. Retrieved on 19 February 2015.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
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- Aviation accidents and incidents in 1985
- Airliner accidents and incidents caused by pilot error
- Aviation accidents and incidents in the Soviet Union
- Aviation accidents and incidents in Uzbekistan
- Aeroflot accidents and incidents
- Accidents and incidents involving the Tupolev Tu-154
- 1985 in the Soviet Union
- July 1985 events in Asia
- Airliner accidents and incidents caused by stalls
- 1985 disasters in the Soviet Union
