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Crash of a PZL-Mielec AN-2 near Orenburg

Date & Time: May 24, 1979
Type of aircraft:
Operator:
Registration:
CCCP-70555
Flight Phase:
Survivors:
Yes
MSN:
1G127-23
YOM:
1971
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The single engine airplane crashed in unknown circumstances in a field near Orenburg. There were no casualties.
Probable cause:
The accident occurred because the pilot-in-command got distracted.

Crash of a PZL-Mielec AN-2 near Nizhneudinsk

Date & Time: May 22, 1979
Type of aircraft:
Operator:
Registration:
CCCP-09165
Flight Phase:
Survivors:
Yes
MSN:
1G20-08
YOM:
1962
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Total fatalities:
0
Circumstances:
Crashed following an engine failure. There were no casualties.
Probable cause:
Engine failure for unknown reasons.

Crash of an Antonov AN-24 in Alma-Ata

Date & Time: May 19, 1979
Type of aircraft:
Operator:
Registration:
CCCP-46734
Survivors:
Yes
MSN:
3 73 006 03
YOM:
1963
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Upon landing at Alma-Ata Airport, the landing gear collapsed. The airplane slid on its belly and came to rest. There were no casualties.
Probable cause:
Failure of the equipment upon landing for unknown reasons. The aircraft weight upon landing was within acceptable limits and the touchdown was properly completed by the crew.

Crash of a Tupolev TU-134A in Ufa

Date & Time: May 19, 1979
Type of aircraft:
Operator:
Registration:
CCCP-65839
Survivors:
Yes
Schedule:
Novosibirsk - Ufa - Chisinau
MSN:
18117
YOM:
1974
Country:
Region:
Crew on board:
6
Crew fatalities:
Pax on board:
83
Pax fatalities:
Other fatalities:
Total fatalities:
0
Aircraft flight hours:
9994
Aircraft flight cycles:
6113
Circumstances:
The final approach was completed by night with the wheel brakes locked. Upon touchdown, all tyres exploded. The left main gear broke off, causing the left wing to struck the ground. A fuel tank was punctured and the aircraft caught fire. Out of control, it veered off runway to the right and came to rest in flames. All 89 occupants survived, 10 of them, including two crew members, were injured. The aircraft was destroyed by fire.
Probable cause:
Poor approach planning on part of the flying crew who failed to follow the approach checklist and completed the landing procedure with the wheel brakes locked.

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

Date & Time: May 10, 1979
Type of aircraft:
Operator:
Registration:
CCCP-06330
Flight Phase:
Survivors:
Yes
MSN:
1G69-04
YOM:
1966
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Crashed in a field in Svidovets in unknown circumstances. There were no casualties. It appears that the aircraft was overloaded at the time of the accident.
Probable cause:
Overloaded aircraft.

Crash of an Ilyushin II-18D in Sochi

Date & Time: May 10, 1979
Type of aircraft:
Operator:
Registration:
CCCP-75414
Flight Phase:
Survivors:
Yes
Schedule:
Sochi - Chelyabinsk
MSN:
186 0093 03
YOM:
1966
Country:
Region:
Crew on board:
7
Crew fatalities:
Pax on board:
72
Pax fatalities:
Other fatalities:
Total fatalities:
0
Aircraft flight hours:
27042
Aircraft flight cycles:
10823
Circumstances:
During the takeoff roll at Sochi-Adler, at a speed of 220 km/h at a distance of 1,100 meters from the runway end, the aircraft's speed fluctuated for about 2-3 seconds. The captain decided to abandon the takeoff procedure and initiated an emergency braking maneuver. The airplane's speed increased to 250 km/h until the reverse thrust activated. Unable to stop within the remaining distance, the aircraft overran, lost its undercarriage and eventually collided with trees. 15 occupants, among them five crew members, were injured. The aircraft was written off.
Probable cause:
The decision of the captain to abandon the takeoff procedure was hasty as the takeoff configuration and all takeoff calculation were correct. It was determined that the speed's fluctuation at 220 km/h was the consequence of a brutal change it the wind direction and speed. Nevertheless, the aircraft was already above V1 and the takeoff should be continued.

Crash of an Antonov AN-26 in Bajkit: 4 killed

Date & Time: Mar 25, 1979 at 0056 LT
Type of aircraft:
Operator:
Registration:
CCCP-26569
Flight Type:
Survivors:
Yes
Schedule:
Krasnoyarsk - Yeniseysk - Baykit
MSN:
67303809
YOM:
1976
Flight number:
SU37293
Country:
Region:
Crew on board:
6
Crew fatalities:
Pax on board:
6
Pax fatalities:
Other fatalities:
Total fatalities:
4
Aircraft flight hours:
4524
Aircraft flight cycles:
2148
Circumstances:
The airplane was completing a cargo flight from Krasnoyarsk to Bajkit with an intermediate stop in Yeniseysk, carrying six passengers, six crew members and a load of 3,700 kg of oranges. On final approach by night, the captain realized his altitude was insufficient and decided to initiate a go-around. He increased power on both engines but followed a wrong path with an insufficient rate of climb. At a speed of 232 km/h, the airplane struck tree tops, stalled and crashed 310 meters further on the slope of a wooded hill (410 meters high) located about 1,700 meters past the end of runway 06. A crew member and three passengers were killed while eight other occupants were injured.
Probable cause:
The captain failed to follow the published procedures related to a go-around maneuver with a too low rate of climb and a wrong path. A poor flight preparation was considered as a contributing factor as well as the fact that the captain was flying to Bajkit for the first time.

Crash of a PZL-Mielec AN-2T in Kharyaga: 4 killed

Date & Time: Mar 25, 1979
Type of aircraft:
Operator:
Registration:
CCCP-44902
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Kharyaga - Ust-Tsilma
MSN:
1G24-02
YOM:
1962
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
4
Aircraft flight hours:
15737
Circumstances:
On a positioning flight from Kharyaga to Ust-Tsilma, the engine failed shortly after takeoff. The crew elected to return to the airport but altitude and speed were not sufficient. After 'hopping' over a telegraph line, the left wing hit the ground and the aircraft impacted the tundra 400 metres short of runway. Both pilots and both passengers (aircraft mechanics) were killed. A day prior to the accident, the crew completed flight SU917 from Ust-Tsilma to Kharyanga via Novy Bor but the flight was interrupted in Kharyaga due to engine problems and two technicians were dispatched at Kharyaga Airport.
Probable cause:
Engine failure for undetermined reasons.

Crash of a Tupolev TU-134A in Liepaja: 4 killed

Date & Time: Mar 22, 1979 at 0057 LT
Type of aircraft:
Operator:
Registration:
CCCP-65031
Flight Type:
Survivors:
Yes
Schedule:
Omsk - Gorki - Liepaja
MSN:
48530
YOM:
1976
Country:
Region:
Crew on board:
5
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
4
Aircraft flight hours:
5838
Aircraft flight cycles:
3894
Circumstances:
The airplane departed Omsk on a cargo flight to Liepaja with an intermediate stop in Gorki, carrying a crew of five and a load of eight tons of radio station's components. The aircraft, not configured for cargo with no cargo door and no cargo compartment, was loaded with light components in the rear part of the cabin and heavy parts in the front of the cabin. There were no passengers on board. The crew initiated the descent to Liepaja by night and poor weather conditions with a limited visibility to 900 meters (below airport minima) with mixed rain and snow falls. On approach, at an altitude of 310 meters and at a speed of 265 km/h, flaps were lowered and the aircraft became unstable on its roll and pitch axis. At an altitude of 180 meters, the autopilot was disconnected then the aircraft deviated to the right of the approach path. While trying to establish a visual contact with the runway, the pilot-in-command initiated a slight turn to the left when the airplane adopted an excessive rate of descent of 8 meters per second until it struck tree tops located 1,690 meters short of runway threshold. The airplane stalled then struck the embankment of a railroad and eventually crashed in flames in a snow covered field located 155 meters to the right of the extended runway centerline. The aircraft was destroyed by impact forces and a post crash fire. A crew member was seriously injured while four other occupants were killed.
Probable cause:
It was determined that the crew decided to continue the approach in poor weather conditions with a visibility below airport minimums and an unstable aircraft. While trying to establish a visual contact with the ground, the crew let the airplane descending with an excessive rate of eight meters per second and failed to take appropriate actions to initiate a go-around maneuver. It was also determined that the flight was poorly planned and prepared by the crew and the operator. The airplane was not suitable for such cargo operation, the cargo has not been weighed prior to the flight and no weight and balance documentation was issued. The total weight of the aircraft was 752 kg above the maximum allowed weight and the CofG was too far forward, out of the enveloppe, which contributed to an unstable aircraft on final approach.

Crash of a Yakovlev Yak-40K in Chardzhou

Date & Time: Mar 20, 1979
Type of aircraft:
Operator:
Registration:
CCCP-87930
Survivors:
Yes
Schedule:
Ashkhabad - Chardzhou
MSN:
9 74 01 56
YOM:
1977
Country:
Region:
Crew on board:
5
Crew fatalities:
Pax on board:
30
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
On final approach to Chardzhou Airport, at an altitude of 30-40 meters, the airplane banked left then lost height and crashed onto several datchas located in the approach path. The aircraft was damaged beyond repair but all 35 occupants survived. The flight engineer was injured. There were no injuries on the ground.
Probable cause:
It was determined that the loss of control on short final was the consequence of wake turbulences caused by a Mil-Mi 6 helicopter that was preceding the Yak-40. Investigations revealed that the controller in charge of approaches failed to respect the minimum separation between the helicopter and the Yak-40. Poor organization of ATC in Turkmenistan was considered as a contributing factor.