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Crash of a PZL-Mielec AN-2 near Tselinograd: 3 killed

Date & Time: Jun 23, 1981 at 2125 LT
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-07708
Flight Phase:
Flight
Flight Type:
Spraying (Agricultural)
Survivors:
No
Site:
Plain, Valley
MSN:
1G158-28
YOM:
1974
Location:
Tselinograd
Akmola
Country:
Kazakhstan
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
3
Aircraft flight hours:
4528
Aircraft flight cycles:
17259
Circumstances:
The crew departed Dnepropetrovskoye, in the suburb of Tselinograd, at 2115LT, on a short flight to a local airport located 12 km from there, following a spraying mission on behalf of the sovkhoz of Dnepropetrovskoye. While flying at a speed of 220 km/h in a relative low altitude, the single engine airplane banked left to an angle of 25° then nosed down and crashed in an open field located 3,5 km from the point of departure, bursting into flames. All three occupants were killed.
Probable cause:
It was determined that the loss of control was the consequence of downdrafts and unpredictable turbulences from a thunderstorm area approaching the accident zone. A poor flight preparation was considered as a contributing factor.

Crash of a PZL-Mielec AN-2 in Avlayakan

Date & Time: Jun 17, 1981
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-35592
Flight Phase:
Landing (descent or approach)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
MSN:
1G115-43
YOM:
1970
Location:
Avlayakan
Khabarovsk Krai
Country:
Russia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Crashed on landing in Avlayakan for unknown reasons. All four occupants were rescued and the aircraft was written off.

Crash of an Ilyushin II-14M near Ust-Barguzin: 48 killed

Date & Time: Jun 14, 1981 at 1622 LT
Type of aircraft:
Ilyushin II-14
Operator:
Registration:
CCCP-41838
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Survivors:
No
Site:
Mountains
Schedule:
Severomuysk – Nizhneangarsk - Ulan-Ude
MSN:
1470 011 41
YOM:
1957
Flight number:
SU498
Location:
Ust-Barguzin
Republic of Buryatia
Country:
Russia
Region:
Asia
Crew on board:
4
Crew fatalities:
Pax on board:
44
Pax fatalities:
Other fatalities:
Total fatalities:
48
Aircraft flight hours:
16185
Aircraft flight cycles:
18427
Circumstances:
The airplane departed Severomuysk Airport at 1441LT on a schedule service to Ulan-Ude with an intermediate stop in Nizhneangarsk, carrying 44 passengers and a crew of four. Bound to the west, while cruising to an altitude of 3,600 meters, the crew was informed about poor weather conditions at destination. As the Nizhneangarsk Airport was closed to traffic, the crew was instructed to divert to Ust-Barguzin Airport located on the east shore of Lake Baykal, in the Svyatoi Nos peninsula. While descending to Ust-Barguzin Airport at an altitude of 1,300 meters, the airplane struck the slope of a mountain and crashed 30 km northwest of Ust-Barguzin. The airplane was destroyed upon impact and all 48 occupants were killed.
Probable cause:
It was determined that the crew failed to follow the prescribed procedures and initiated the descent prematurely under VFR mode in IMC conditions. Due to unfavorable wind component (200° at 25 km/h iso 250° at 50 km/h as initially forecasted), the airplane was not on the calculated route and ATC was unaware of the exact position of the airplane due to lack of contact from the crew and due to discrepancies in the radiogoniometer settings. This situation resulted in a controlled flight into terrain.

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

Date & Time: Jun 13, 1981 at 0951 LT
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-07712
Flight Phase:
Takeoff (climb)
Flight Type:
Spraying (Agricultural)
Survivors:
No
Site:
Airport (less than 10 km from airport)
Schedule:
Saldus - Saldus
MSN:
1G158-32
YOM:
1974
Location:
Saldus
Courland (Kurzeme)
Country:
Latvia
Region:
Europe
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
2
Aircraft flight hours:
3801
Aircraft flight cycles:
15340
Circumstances:
The crew was engaged in a crop-spraying mission in Saldus, Latvia. The engine failed shortly after takeoff. The crew elected to return to the airstrip when the aircraft lost height and was shifted by strong wind towards a fuel depot. At a height of 15 meters, the left lower wing collided with the roof of a diesel storage tank n°34, then the aircraft crashed into tank n°39 and exploded. Both pilots were killed. The aircraft was totally destroyed by a post crash fire.
Probable cause:
Due to the fact that the aircraft was totally destroyed, it was not possible to determine the exact cause of the accident. Nevertheless, it is believed that the engine failed in flight due to tar deposits because the spark plugs partially failed. Also, erroneous actions on part of the crew during an emergency situation may contribute to the accident.

Crash of a Tupolev TU-154A in Bratsk

Date & Time: Jun 13, 1981
Type of aircraft:
Tupolev TU-154
Operator:
Registration:
CCCP-85029
Flight Phase:
Landing (descent or approach)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Moscow – Omsk – Bratsk
MSN:
72A029
YOM:
1972
Location:
Bratsk
Irkutsk oblast
Country:
Russia
Region:
Asia
Crew on board:
7
Crew fatalities:
Pax on board:
111
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The airplane departed Moscow-Vnukovo Airport on a schedule service to Bratsk with an intermediate stop in Omsk. On approach to Bratsk Airport, the crew encountered limited visibility due to heavy rain falls. One second after touchdown, the reverses were activated on all three engines and the airplane rolled for about 800 meters when it started to veer to the left. The pilot-in-command attempted to counteract the deviated but the airplane rolled another 526 meters when it veered off runway. It rolled few dozen meters on soft ground then came to rest, broken in two. All occupants escaped uninjured.
Probable cause:
The cause of the accident was the uncontrollability of the aircraft on a wet runway due to the complete loss of rudder efficiency at the maximum reverse engine thrust due to the design characteristics of the aircraft.

Crash of an Antonov AN-2M near Voroshilovgrad

Date & Time: Jun 7, 1981
Type of aircraft:
Antonov AN-2
Operator:
Registration:
CCCP-02357
Flight Phase:
Flight
Flight Type:
Private
Survivors:
Yes
Site:
Plain, Valley
MSN:
7 014 45
YOM:
1967
Location:
Voroshilovgrad
Luhansk Oblast
Country:
Ukraine
Region:
Europe
Crew on board:
1
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The pilot initiated a local flight without permission and while flying at an insufficient altitude, the airplane crashed. The pilot was injured.

Crash of an Antonov AN-2 near Shelopugino: 4 killed

Date & Time: May 31, 1981 at 1815 LT
Type of aircraft:
Antonov AN-2
Operator:
Registration:
CCCP-55617
Flight Phase:
Flight
Flight Type:
Private
Survivors:
No
Site:
Plain, Valley
Schedule:
Shelopugino - Shelopugino
MSN:
1 127 473 15
YOM:
1959
Location:
Shelopugino
Zabaykalsky Krai
Country:
Russia
Region:
Asia
Crew on board:
3
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
4
Aircraft flight hours:
16990
Circumstances:
Three pilots and a passenger departed Shelopugino at 1807LT on an unauthorized local flight. After takeoff, the pilot-in-command followed the Turov River at an altitude of 100-150 meters when he initiated hazardous manoeuvres. The airplane climbed and adopted a high nose-up attitude when it stalled, plunged into the earth and crashed in a vertical (90° angle) attitude about 10 km south of Shelopugino. The aircraft was totally destroyed upon impact and all four occupants were killed.
Probable cause:
It was determined that the pilot-in-command was intoxicated as well as the pilot supervisor and the passenger. The copilot was not intoxicated. Analysis revealed a level of 2,3‰ of alcohol in the pilot-in-command blood, 1‰ in the pilot supervisor blood and 1,2‰ in the passenger blood.

Crash of a PZL-Mielec AN-2 near Olyokminsk

Date & Time: May 21, 1981 at 1019 LT
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-35198
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Plain, Valley
Schedule:
Vitim – Lensk – Olyokminsk
MSN:
1G144-22
YOM:
1970
Location:
Olyokminsk
Republic of Yakutia (Sakha)
Country:
Russia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
7
Pax fatalities:
Other fatalities:
Total fatalities:
0
Aircraft flight hours:
11350
Circumstances:
The single engine airplane departed Lensk Airport at 0909LT on the second leg of a flight from Vitim to Olyokminsk. About an hour later, while cruising at an altitude of 1,500 meters, the engine started to vibrate and the crew decided to attempt an emergency landing. The airplane descended into trees and crashed in a wooded area located 122 northwest of Olyokminsk, bursting into flames. All nine occupants escaped uninjured while the aircraft was destroyed by fire.
Probable cause:
The engine failure was the consequence of the disintegration of the 4th cylinder intake valve.

Crash of an Antonov AN-2T in Yessey

Date & Time: May 20, 1981
Type of aircraft:
Antonov AN-2
Operator:
Registration:
CCCP-04273
Flight Phase:
Landing (descent or approach)
Flight Type:
Cargo
Survivors:
Yes
Site:
Lake, Sea, Ocean, River
MSN:
1 17 473 03
YOM:
1952
Location:
Yessey
Krasnoyarsk Krai
Country:
Russia
Region:
Asia
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The airplane was engaged in a geological support mission. While approaching Yessey Airstrip, during a fourth turn, the pilot-in-command elected to correct the roll but his reaction increased the roll to an angle of 45°. The airplane lost height and crashed on the icy Yessey lake about 5 km from the village. There were no casualties.
Probable cause:
Inappropriate roll correction from the pilot on approach caused the aircraft to bank excessively, to lose height and to crash.

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

Date & Time: May 3, 1981 at 1603 LT
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-70836
Flight Phase:
Flight
Flight Type:
Spraying (Agricultural)
Survivors:
Yes
Site:
Plain, Valley
Schedule:
Voskhod - Voskhod
MSN:
1G133-39
YOM:
1972
Location:
Voskhod
Krasnodar Krai
Country:
Russia
Region:
Asia
Crew on board:
1
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
2
Aircraft flight hours:
5424
Aircraft flight cycles:
33744
Circumstances:
Following spraying operations for the sovkhoz (state farm) of 'Runo' located in Novopokrovskaya, the pilot decided to conduct a local flight with two unauthorized passengers on board. While flying at a height of about 20-25 meters, the pilot initiated a steep left turn when the airplane went out of control and crashed in a wooded area. Both passengers were killed and the pilot was seriously injured. The aircraft was destroyed.
Probable cause:
It was determined that the pilot had not sufficient experience in such mission and he decided to conduct a local flight without any copilot on board and with two unauthorized passengers.
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