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Crash of a PZL-Mielec AN-2 near Toora-Khem

Date & Time: Aug 29, 1985
Type of aircraft:
Operator:
Registration:
CCCP-70742
Flight Phase:
MSN:
1G130-43
YOM:
1971
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Crashed near the Kara-Os River, in the region of Toora-Khem, following an in-flight engine failure. Occupant fate unknown.
Probable cause:
Engine failure for unknown reasons.

Crash of a PZL-Mielec AN-2 on Mt Konder: 2 killed

Date & Time: Aug 14, 1985
Type of aircraft:
Operator:
Registration:
CCCP-17992
Flight Phase:
Flight Type:
Survivors:
No
Site:
MSN:
1G210-16
YOM:
1984
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
2
Circumstances:
While on a cargo flight, weather conditions worsened. Instead of returning to his departure point, the crew decided to continue the flight in adverse weather conditions. While cruising at an insufficient altitude under VFR mode in IMC conditions, the single engine aircraft struck the slope of a mountain located in the Konder Mountain Range. The aircraft was destroyed and both pilots were killed.
Probable cause:
Controlled flight into terrain after the crew decided to continue under VFR mode in IMC conditions. At the time of the accident, weather conditions were worse than forecasted and the visibility was poor due to low clouds and rain falls.

Crash of a PZL-Mielec AN-2 near Karsi

Date & Time: Aug 6, 1985
Type of aircraft:
Operator:
Registration:
CCCP-54960
Flight Phase:
MSN:
1G188-09
YOM:
1980
Country:
Region:
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 PZL-Mielec AN-2 in Krasnoslobodsk: 2 killed

Date & Time: Jul 25, 1985
Type of aircraft:
Operator:
Registration:
CCCP-09602
Flight Phase:
Survivors:
Yes
Schedule:
Krasnoslobodsk - Krasnoslobodsk
MSN:
1G74-23
YOM:
1966
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
2
Circumstances:
Following spraying operations, the intoxicated crew allowed a farmer to embark for a local flight. After takeoff, while flying at low height, the crew initiated hazardous maneuvers when control was lost. The aircraft crashed and was destroyed. Both pilots were killed while the passenger was injured.
Probable cause:
Loss of control at low altitude after the crew initiated hazardous maneuvers while being intoxicated.

Crash of a PZL-Mielec AN-2R in Selitrennoye

Date & Time: Jul 15, 1985
Type of aircraft:
Operator:
Registration:
CCCP-55706
Flight Phase:
Survivors:
Yes
Site:
MSN:
1G48-38
YOM:
1964
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The crew was performing a crop spraying flight when the engine failed due to problems with the carburetor. At a height of 60 meters, the aircraft banked left, stalled and crashed onto a residential building located in Selitrennoye. Both pilots were injured while the aircraft was destroyed. There were no injuries on the ground.
Probable cause:
Engine failure following carburetor problems.

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

Date & Time: Jul 10, 1985 at 2346 LT
Type of aircraft:
Operator:
Registration:
CCCP-85311
Flight Phase:
Survivors:
No
Site:
Schedule:
Karshi – Ufa – Leningrad
MSN:
78A311
YOM:
1978
Flight number:
SU5143
Country:
Region:
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.

Crash of a PZL-Mielec AN-2R near Kuybyshev

Date & Time: Jul 7, 1985
Type of aircraft:
Operator:
Registration:
CCCP-06255
Flight Phase:
Survivors:
Yes
MSN:
1G127-11
YOM:
1971
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The crew was performing a crop-spraying flight in the Krasny Yar district of the Kuibyshev region when the engine lost power in flight due to problems with a valve couple with cylinder n°7. The crew attempted a forced landing when the aircraft collided with trees and was destroyed. Both pilots escaped injured.
Probable cause:
Engine power loss following problems with a valve of cylinder n°7.

Crash of a PZL-Mielec AN-2 in Baykit

Date & Time: Jul 4, 1985
Type of aircraft:
Operator:
Registration:
CCCP-55710
Flight Phase:
Flight Type:
Survivors:
Yes
MSN:
1G49-02
YOM:
1964
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
After takeoff from Baykit, the single engine encountered serious difficulties to gain height and the engine lost power. The crew attempted to return to the airport but was eventually forced to make an emergency landing in an open field located few hundred meters past the runway end. All three occupants escaped with minor injuries while the aircraft was damaged beyond repair.
Probable cause:
It was determined that the aircraft was overloaded. The weight and balance sheet was incorrect (1,000 kilos instead of 1,300 kilos) and the total weight of the aircraft was 240 kilos above the MTOW. Also, the CofG was well beyond the aft limit.

Crash of a PZL-Mielec AN-2R in Suduntuy

Date & Time: Jun 27, 1985
Type of aircraft:
Operator:
Registration:
CCCP-84724
Flight Phase:
Survivors:
Yes
Schedule:
Suduntuy - Suduntuy
MSN:
1G201-42
YOM:
1983
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
While flying at low height, the engine lost power and failed. The crew attempted an emergency landing when the aircraft crashed in an open field. Both pilots were unhurt while the aircraft was damaged beyond repair.
Probable cause:
It was determined that the fuel quality was poor.