Country
Russia
code

Irkutsk oblast

Crash of a PZL-Mielec AN-2TP in Kirensk

Date & Time: May 12, 1972
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-50506
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Plain, Valley
MSN:
1G88-33
YOM:
1967
Location:
Kirensk
Irkutsk oblast
Country:
Russia
Region:
Asia
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
En route, the engine failed. The aircraft lost height and crash landed in a field near Kirensk. There were no casualties but the aircraft was written off.
Probable cause:
Engine failure in flight.

Crash of a Yakovlev Yak-40 in Bratsk: 18 killed

Date & Time: May 4, 1972 at 2334 LT
Type of aircraft:
Yakovlev Yak-40
Operator:
Registration:
CCCP-87778
Flight Phase:
Landing (descent or approach)
Flight Type:
Scheduled Revenue Flight
Survivors:
No
Site:
Airport (less than 10 km from airport)
Schedule:
Irkutsk - Bratsk
MSN:
9 04 03 14
YOM:
1970
Flight number:
SU608
Location:
Bratsk
Irkutsk oblast
Country:
Russia
Region:
Asia
Crew on board:
4
Crew fatalities:
Pax on board:
14
Pax fatalities:
Other fatalities:
Total fatalities:
18
Aircraft flight hours:
1667
Aircraft flight cycles:
2249
Circumstances:
The three engine aircraft departed Irkutsk-Magan Airport at 2229LT bound to the north, cruising at an altitude of 6,000 meters. Weather conditions en route were good. While descending to Bratsk Airport, the crew was informed about the last weather bulletin with no precipitations and a visibility of 50 km. However, during the night approach, weather conditions deteriorated with heavy mixed rain/snow showers and a visibility limited to one km. On short final, the airplane lost height then struck trees and crashed in flames 225 meters further, about 1,250 meters short of runway threshold. The airplane was destroyed by impact forces and a post crash fire and all 18 occupants were killed.
Probable cause:
It was determined that ATC in Bratsk transmitted to the crew a wrong weather bulletin that was referring to weather conditions at 2315LT. Unfortunately, ATC attempted without success to obtain an updated weather briefing and transmitted inaccurate information to the crew. On final, heavy snow/rain showers associated with downdraft and unfavorable winds caused the aircraft to lose height and to crash. The assumption that the crew inadvertently selected the reverse thrust during final approach was not ruled out.

Crash of a Tupolev TU-104B in Irkutsk: 97 killed

Date & Time: Jul 25, 1971 at 0835 LT
Type of aircraft:
Tupolev TU-104
Operator:
Registration:
CCCP-42405
Flight Phase:
Landing (descent or approach)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Odessa – Kiev – Chelyabinsk – Novosibirsk – Irkutsk – Khabarovsk – Vladivostok
MSN:
8 2 02 02
YOM:
1958
Flight number:
SU1912
Location:
Irkutsk-Intl
Irkutsk oblast
Country:
Russia
Region:
Asia
Crew on board:
8
Crew fatalities:
Pax on board:
118
Pax fatalities:
Other fatalities:
Total fatalities:
97
Aircraft flight hours:
19489
Aircraft flight cycles:
9929
Circumstances:
Flight SU1912 departed Odessa Airport in Ukraine on July 24 to Vladivostok with intermediate stops in Kiev, Chelyabinsk, Novosibirsk, Irkutsk and Khabarovsk. While descending to Irkutsk-Intl Airport in the morning, the crew encountered poor weather conditions with low clouds and rain falls. As the visibility was limited, the crew was unable to locate the runway and obtained an ATC assistance on final. Unfortunately, the aircraft was unstable and the crew was instructed by ATC to turn to the right to reach the glide as the aircraft was descending to the left. At an excessive vertical speed and an approach speed 32 km/h below the prescribed approach speed, the aircraft banked left and right. The right main gear struck the runway surface 154 meters past the runway threshold and the left main gear touched the ground 183 meters from the threshold. The ground impact was in excess of the g-load certification. After touchdown, the airplane went out of control, deviated from the centerline to the left, lost its left wing and came to rest in flames after a course of 500 meters to the left of the main runway. 97 occupants, among them four crew members, were killed, while 29 other occupants were injured. The aircraft was destroyed.
Probable cause:
One of the flight data recorder was out of service at the time of the accident due to lack of sufficient technical controls. The second data recorder disconnected when the right main gear impacted the runway surface. Investigations revealed that the aircraft' speed was 32 km/h lower than the prescribed speed when the vertical speed was too high, which prevented the pilots to complete a correct touchdown and avoid the violent impact with the runway surface. Aerodynamic forces recorded at impact exceeded the certification of the aircraft, resulting in a loss of control and then the failure of the left wing. The probable cause of the loss of speed on short final could be the combination of a series of erroneous actions on part of the flying crew, coupled with incorrect speed indication, possibly be due to a leak of the power system that occurred at low altitude and in marginal weather conditions.

Crash of an Antonov AN-2 near Bulbukhta: 1 killed

Date & Time: Sep 21, 1970
Type of aircraft:
Antonov AN-2
Operator:
Registration:
CCCP-02195
Flight Phase:
Flight
Flight Type:
Cargo
Survivors:
Yes
Site:
Mountains
Schedule:
Perevoz – Bulbukhta
MSN:
1123 473 02
YOM:
1959
Location:
Bulbukhta
Irkutsk oblast
Country:
Russia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
1
Aircraft flight hours:
7840
Circumstances:
While on a cargo flight from Perevoz to Bulbukhta with supplies for the mine Dalne-Taiginski, the crew encountered below-minima weather conditions (snowfall and poor visibility). As the pilot failed to return, the airplane entered clouds and crashed at a height of 1,400 metres into the rocky slope of a mountain (1,439 metres high) located 10 km SSW of Bulbukhta, caught fire and burnt out. Both pilots were injured while the sole passenger was killed. Rescue team reached the crash site a day later.
Probable cause:
Controlled flight into terrain.

Crash of a PZL-Mielec AN-2R in Guran:2 killed

Date & Time: May 10, 1970 at 0930 LT
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-32463
Flight Phase:
Flight
Flight Type:
Spraying (Agricultural)
Survivors:
Yes
Site:
Plain, Valley
Schedule:
Guran - Guran
MSN:
1G99-30
YOM:
1969
Location:
Guran
Irkutsk oblast
Country:
Russia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
2
Aircraft flight hours:
952
Aircraft flight cycles:
1070
Circumstances:
On a crop-spraying flight from Guran (Tulun district of the Irkutsk region) for the kolkhoz 'Zavyety Ilyicha', the intoxicated crew made a steep turn at very low height when the aircraft lost speed and height and crashed. A pilot and the sole passenger (the director of the collective farm) were killed while the second pilot was seriously injured.
Probable cause:
It was determined that the loss of control was the consequence of an intoxicated crew.

Crash of a Lisunov LI-2 in Ust-Kut

Date & Time: Mar 5, 1970
Type of aircraft:
Lisunov LI-2
Operator:
Registration:
CCCP-58340
Flight Phase:
Takeoff (climb)
Flight Type:
Cargo
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Location:
Ust-Kut
Irkutsk oblast
Country:
Russia
Region:
Asia
Crew on board:
5
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Shortly after takeoff, during initial climb, the airplane stalled and crashed by the runway. The aircraft was destroyed and all five crew members were injured.
Probable cause:
Loss of control after rotation as the cargo shifted to the rear part of the cabin.

Crash of an Antonov AN-12PL in Katanga: 8 killed

Date & Time: Dec 6, 1969 at 0707 LT
Type of aircraft:
Antonov AN-12
Operator:
Registration:
CCCP-11381
Flight Phase:
Landing (descent or approach)
Flight Type:
Cargo
Survivors:
No
Site:
Airport (less than 10 km from airport)
Schedule:
Moscow - Syktyvkar - Katanga - Anadyr
MSN:
4 028 07
YOM:
1964
Flight number:
SU5135
Location:
Katanga
Irkutsk oblast
Country:
Russia
Region:
Asia
Crew on board:
6
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
8
Aircraft flight hours:
4787
Aircraft flight cycles:
1649
Circumstances:
The aircraft was completing a cargo flight from Moscow to Anadyr with intermediate stops in Syktyvkar and Katanga, carrying a load ot 9,905 kilos of oranges and 384 kilos of mail. Both legs between Moscow-Sheremetyevo, Syktyvkar and Katanga were uneventful. The crew started the approach to Katanga by night and marginal weather conditions (low clouds, snow falls and a visibility of 5 km) when he was cleared to descent to 400 meters. At high speed, flaps and undercarriage raised, the airplane banked left to 20-25° when it struck trees and crashed in flames in a wooded area located 13 km short of runway threshold. No distress call was sent from the crew prior to the accident. The aircraft was totally destroyed upon impact and all eight occupants have been killed.
Probable cause:
It is believed that the loss of control was the consequence of an excessive accumulation of ice on wings and stabs during an approach by night in severe icing conditions.

Crash of a Tupolev TU-104B in Irkutsk

Date & Time: Apr 28, 1969
Type of aircraft:
Tupolev TU-104
Operator:
Registration:
CCCP-42436
Flight Phase:
Landing (descent or approach)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
MSN:
9 2 08 03
YOM:
1959
Location:
Irkutsk-Intl
Irkutsk oblast
Country:
Russia
Region:
Asia
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
On final approach to Irkutsk-Intl Airport, the airplane crash landed 600 meters short of runway threshold and was damaged beyond repair. There were no casualties.

Crash of an Ilyushin II-18D near Parchum: 83 killed

Date & Time: Feb 29, 1968 at 2243 LT
Type of aircraft:
Ilyushin II-18
Operator:
Registration:
CCCP-74252
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Plain, Valley
Schedule:
Moscow - Krasnoyarsk - Petropavlovsk-Kamchatsky
MSN:
187 0106 01
YOM:
1967
Flight number:
SU015
Location:
Parchum
Irkutsk oblast
Country:
Russia
Region:
Asia
Crew on board:
9
Crew fatalities:
Pax on board:
75
Pax fatalities:
Other fatalities:
Total fatalities:
83
Aircraft flight hours:
328
Aircraft flight cycles:
89
Circumstances:
While cruising at an altitude of 8,000 metres on the leg from Krasnoyarsk to Petropavlovsk-Kamchatsky, the crew sent a short inaudible message of two seconds. Shortly later, the airplane entered an uncontrolled descent and reached the vertical speed of 3,360 - 11,000 feet per minute. Once the altitude of 3,000 meters was reached on descent, the vertical speed increased from 9,850 to 24,600 feet per minute. The airplane then made a turn to the right, got inverted and partially disintegrated at an altitude of 650 meters. Debris crashed at a speed of 890 km/h in an uninhabited area located 13 km northeast of Parchum. Debris scattered on a large zone and miraculously, a passenger was found alive while 83 other occupants were killed.
Probable cause:
Investigations were unable to determine the exact cause of the accident. However, the assumption that the loss of control was caused by the failure of a fuel line was not ruled out. This may cause the fuel to leak into the engine and to ignite while in contact with high temperature equipments.

Crash of an Antonov AN-12B in Kirensk: 6 killed

Date & Time: Dec 7, 1963 at 2351 LT
Type of aircraft:
Antonov AN-12
Operator:
Registration:
CCCP-11347
Flight Phase:
Takeoff (climb)
Flight Type:
Ferry
Survivors:
No
Site:
Airport (less than 10 km from airport)
Schedule:
Mirnyy – Kirensk – Irkutsk
MSN:
4 018 03
YOM:
1964
Flight number:
SU1076
Location:
Kirensk
Irkutsk oblast
Country:
Russia
Region:
Asia
Crew on board:
6
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
6
Aircraft flight hours:
379
Aircraft flight cycles:
188
Circumstances:
The crew was returning to Irkutsk following a cargo flight to Mirnyy. After takeoff from Kirensk Airport, while climbing to a height of some 500 meters, the airplane banked left, dove into the ground and crashed onto a wooden hut located 750 meters south of the airfield. The airplane was totally destroyed and all six crew members were killed.
Probable cause:
It was determined that both left engine lost power shortly after takeoff and progressively failed during climb. The crew elected to feather the propeller but without success. The airplane then banked to the left and crashed at an angle of 70°. Investigations were unable to determine the exact cause of the engine failure but the assumption of an electrical short-circuit or an excessive accumulation of ice in the fuel filter was not ruled out.
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