Country
Uzbekistan
code

Navoiy Province (Navoiy viloyati)

Crash of an Antonov AN-24RV in Zarafshon

Date & Time: Aug 31, 2009
Type of aircraft:
Antonov AN-24
Operator:
Registration:
UK-46658
Flight Phase:
Takeoff (climb)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
MSN:
4 73 093 04
YOM:
1974
Location:
Zarafshon
Navoiy Province (Navoiy viloyati)
Country:
Uzbekistan
Region:
Asia
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
During the takeoff roll from Zarafshon Airport, the undercarriage were prematurely retracted by the crew. The aircraft sank on its belly and slid for few dozen metres before coming to rest. There were no injuries but the aircraft was damaged beyond repair. The exact date of the mishap remains unknown, somewhere in August 2009.
Probable cause:
Premature retraction of the landing gear during the takeoff procedure.

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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