Crash of a PZL-Mielec AN-2R near Mubarek: 2 killed

Date & Time: May 14, 1991 at 1315 LT
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-03548
Flight Phase:
Flight
Flight Type:
Positioning
Survivors:
No
Site:
Plain, Valley
Schedule:
Karsi - Mubarek
MSN:
1G47-17
YOM:
1964
Location:
Mubarek
Qashqadaryo Province (Qashqadaryo viloyati)
Country:
Uzbekistan
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
2
Aircraft flight hours:
19790
Aircraft flight cycles:
24785
Circumstances:
The crew departed Karsi at 1257LT on a positioning flight to Mubarek. At 1312LT, the crew contacted ATC and estimated his arrival in Mubarek at 1320LT. Shortly later, the single engine aircraft banked right then stalled and struck the ground. It bounced and crashed 80 meters further, bursting into flames. The aircraft was destroyed and both pilots were killed.
Probable cause:
At the time of the accident, both pilots were intoxicated. Analysis revealed a blood alcohol level of 4,4‰ for the captain and 0,9‰ for the copilot.

Crash of a PZL-Mielec AN-2 near Karsi

Date & Time: Aug 6, 1985
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-54960
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Site:
Plain, Valley
MSN:
1G188-09
YOM:
1980
Location:
Karsi
Qashqadaryo Province (Qashqadaryo viloyati)
Country:
Uzbekistan
Region:
Asia
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Crashed in the region of Karsi after being caught by low level windshear. Occupant fate unknown.
Probable cause:
Loss of control due to windshear.

Crash of a Tupolev TU-154B-2 near Ushquduq: 200 killed

Date & Time: Jul 10, 1985 at 2346 LT
Type of aircraft:
Tupolev TU-154
Operator:
Registration:
CCCP-85311
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Survivors:
No
Site:
Desert
Schedule:
Karshi – Ufa – Leningrad
MSN:
78A311
YOM:
1978
Flight number:
SU5143
Location:
Ushquduq
Navoiy Province (Navoiy viloyati)
Country:
Uzbekistan
Region:
Asia
Crew on board:
9
Crew fatalities:
Pax on board:
191
Pax fatalities:
Other fatalities:
Total fatalities:
200
Aircraft flight hours:
12443
Aircraft flight cycles:
5660
Circumstances:
After takeoff from Karsi Airport, the aircraft climbed at an insufficient speed of 470 km/h with a max speed of 515 km/h. The cruising altitude of 11,600 meters was reached after 40 minutes and 20 seconds. The speed dropped to 400 km/h then the aircraft reached a critical angle of attack (+20°) when vibrations started. The crew misinterpreted these vibrations and failed to judge properly the situation in reducing the engine power to idle. The speed dropped to 290 km/h when the aircraft stalled and entered a spin. The aircraft eventually went into a flat attitude and crashed in an isolated and desert area located in the region of Ushquduq. The aircraft was totally destroyed upon impact and all 200 occupants were killed.
Probable cause:
It was determined that the climb configuration was incorrect and the crew led the aircraft adopting a critical angle of attack once the cruising altitude was reached. This situation affected the air flow into the three engines and the aircraft went into inappropriate flight conditions. The crew misinterpreted the situation and failed to identify the wrong flight configuration until the aircraft entered stall condition.
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