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

Date & Time: Aug 11, 1986
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-40902
Flight Phase:
Flight
Flight Type:
Postal (mail)
Survivors:
Yes
Site:
Plain, Valley
Schedule:
Khabarovsk - Kurung
MSN:
1G215-39
YOM:
1985
Location:
Kurung
Khabarovsk Krai
Country:
Russia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
2
Circumstances:
The aircraft departed Khabarovsk on a mail flight to Kurung, a gold mine located in the Konder Mountain Range. While flying at a height of about 15 meters, the captain asked the passenger and the third pilot to jettison the mail bags when the aircraft struck a high larch and crashed, bursting into flames. Both pilots were killed while both other occupants were injured. The mission did not provide to jettison the mail bags but was arbitrarily changed by the captain.
Probable cause:
The crew misjudged the distance with trees while jettisoning mail bags at low height.

Crash of a PZL-Mielec AN-2 in Ust-Ilimsk

Date & Time: Aug 7, 1986
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-28886
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Site:
Plain, Valley
MSN:
1G06-20
YOM:
1961
Location:
Ust-Ilimsk
Irkutsk oblast
Country:
Russia
Region:
Asia
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Crashed following an engine failure. Occupant fate unknown.
Probable cause:
Engine failure for unknown reasons.

Crash of a PZL-Mielec AN-2 in Fedorovskaya: 2 killed

Date & Time: Jul 17, 1986
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-05774
Flight Phase:
Takeoff (climb)
Flight Type:
Spraying (Agricultural)
Survivors:
No
Site:
Plain, Valley
Schedule:
Fedorovskaya - Fedorovskaya
MSN:
1G154-14
YOM:
1974
Location:
Fedorovskaya
Krasnodar Krai
Country:
Russia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
2
Circumstances:
After takeoff from Fedorovskaya, the aircraft became unstable, descended, struck an obstacle and crashed. Both pilots were killed.
Probable cause:
It was determined that the captain was intoxicated at the time of the accident.

Crash of a PZL-Mielec AN-2 in Yakutia

Date & Time: Jul 11, 1986 at 1145 LT
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-70124
Flight Phase:
Flight
Flight Type:
Fire fighting
Survivors:
Yes
Site:
Plain, Valley
MSN:
1G136-50
YOM:
1972
Location:
Zhigansk
Republic of Yakutia (Sakha)
Country:
Russia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The single engine aircraft departed Vilyuysk Airport in the morning on a survey mission to prevent forest fire. One hour and 20 minutes after takeoff, the engine failed. The crew attempted an emergency landing when the aircraft crashed in a wooded area, bursting into flames. All three occupants, two pilots and one observer, were uninjured while the aircraft was destroyed by fire. The wreckage was found 195 km southwest of Zhigansk.
Probable cause:
The engine stopped in flight following the failure of the camshaft.

Crash of a PZL-Mielec AN-2 near Krasnodar

Date & Time: Jul 11, 1986
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-82867
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Plain, Valley
MSN:
1G168-43
YOM:
1976
Location:
Krasnodar
Krasnodar Krai
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 aircraft collided with a bird that got stuck in the engine air intake, causing the engine to fail. The crew attempted an emergency landing when the aircraft crash landed in a field. There were no casualties but the aircraft was damaged beyond repair.
Probable cause:
Engine failure following an in-flight birdstrike.

Crash of a Tupolev TU-134AK near Vizinga: 54 killed

Date & Time: Jul 2, 1986 at 1027 LT
Type of aircraft:
Tupolev TU-134
Operator:
Registration:
CCCP-65120
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Plain, Valley
Schedule:
Vorkuta - Syktyvkar - Moscow
MSN:
60482
YOM:
1978
Flight number:
SU2306
Location:
Vizinga
Republic of Komi
Country:
Russia
Region:
Asia
Crew on board:
6
Crew fatalities:
Pax on board:
86
Pax fatalities:
Other fatalities:
Total fatalities:
54
Aircraft flight hours:
13988
Aircraft flight cycles:
7989
Circumstances:
The aircraft departed Syktyvkar Airport at 0955LT bound for Moscow and continued to climb in normal weather conditions. Twelve minutes later, while cruising at an altitude of 5,600 meters, the fire alarm connected to the rear cargo compartment activated in the cockpit. The flight engineer was dispatched to the rear of the cabin to check the situation and came back less than two minutes later, confirming that smoke was spreading. Instead of declaring an emergency and informing ATC about the situation according to published procedures, the captain decided to inspect the rear of the cabin with the flight engineer. They elected to extinguish the fire but this was unfortunately not possible. They returned to the cockpit and in the meantime, the airplane continued to climb to 6,700 meters. The captain contacted ATC, declared an emergency more than 4 minutes after the fire alarm activated and was cleared to return to Syktyvkar. At this time, the aircraft position was about 140 km from Syktyvkar Airport. The captain started an emergency descent and at an altitude of 1,200 meters, flaps and gear were lowered. The crew realized it would not be able to reach Syktyvkar Airport so he attempted an emergency landing on land. In a reduced visibility due to rain falls, the aircraft struck trees, lost its both wings and crashed 340 meters further in a dense wooded area, bursting into flames. Four crew members and 34 passengers were rescued while 54 other occupants were killed. The aircraft was totally destroyed by impact forces and fire.
Probable cause:
As the aircraft was completely destroyed by fire, investigations were unable to determine the exact source of fire that started in the rear cargo compartment. It was reported that the crew tried, without success, to extinguish the fire. Also smoke spread in the cabin, asphyxing people that lost consciousness or died before the accident.

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

Date & Time: Jun 28, 1986
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-82860
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Mountains
MSN:
1G168-30
YOM:
1976
Location:
Dubovoy
Krasnodar Krai
Country:
Russia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
En route to Grozny, weather conditions worsened and the crew decided to continue the flight under VFR rules. While cruising in clouds at low altitude, the single engine aircraft struck the slope of a mountain located in the region of Krasnodar. The aircraft was destroyed and all four occupants were slightly injured.
Probable cause:
The crew continued under VFR mode in IMC conditions.

Crash of a Tupolev TU-134A in Penza: 1 killed

Date & Time: Jun 22, 1986 at 2137 LT
Type of aircraft:
Tupolev TU-134
Operator:
Registration:
CCCP-65142
Flight Phase:
Takeoff (climb)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Penza - Simferopol
MSN:
60955
YOM:
1978
Flight number:
SU5569
Location:
Penza
Penza oblast
Country:
Russia
Region:
Asia
Crew on board:
6
Crew fatalities:
Pax on board:
59
Pax fatalities:
Other fatalities:
Total fatalities:
1
Aircraft flight hours:
15938
Aircraft flight cycles:
10397
Circumstances:
38 seconds after the crew started the takeoff procedure, at a speed of 230 km/h and after a course of 1,450 meters, a warning sounded in the cockpit, informing the crew about the failure of the right engine. The captain took over control and initiated an emergency braking procedure. Thrust reversers were activated seven second later and the aircraft started to slow down. As the end of the runway was approaching the captain wanted to avoid any collision with the approach lights and ILS system, he veered off runway to the left. While contacting soft ground, the airplane lost its undercarriage then struck a drainage ditch and came to rest, broken in two, about 530 meters from the runway end and about 47 meters to the left of its centerline. Seven passengers were injured while 57 other occupants escaped uninjured. A passenger died from a heart attack.
Probable cause:
It was determined that the right engine was running properly at the time of the accident and that a malfunction of the warning sound system caused the alarm to activate by mistake.

Crash of a Tupolev TU-154B-2 in Moscow

Date & Time: May 21, 1986 at 1521 LT
Type of aircraft:
Tupolev TU-154
Operator:
Registration:
CCCP-85327
Flight Phase:
Landing (descent or approach)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Abakan - Chelyabinsk - Moscow
MSN:
79A327
YOM:
1979
Location:
Moscow-Sheremetyevo
Moscow oblast
Country:
Russia
Region:
Asia
Crew on board:
10
Crew fatalities:
Pax on board:
175
Pax fatalities:
Other fatalities:
Total fatalities:
0
Aircraft flight hours:
11922
Aircraft flight cycles:
4687
Circumstances:
Following an uneventful flight from Chelyabinsk to Moscow in relative good weather conditions, the crew started the descent to Moscow-Domodedovo when the weather conditions worsened. While descending to an altitude of 3,600 meters, the aircraft entered an area of heavy rain falls and icing (a cold front was passing over Moscow at that time). The Pitot tubes became obstructed, modifying some instruments settings. The airspeed indicator fell to zero and the crew thought the aircraft was near stall conditions so he initiated an emergency descent with a rate of descent of 100 meters per second and a speed of 813 km/h. The aircraft encountered positive acceleration of 3,2 g and suffered structural damages. The crew was able to divert to Moscow-Sheremetyevo Airport where an emergency landing was completed. All 185 occupants evacuated safely and the aircraft was later declared as damaged beyond repair due to irreparable damages to the main structure (fuselage).
Probable cause:
It was determined that the crew failed to prepare the light properly at Chelyabinsk Airport and failed to follow the pre-takeoff checklist. Doing so, the crew forgot to activate the Pitot heating system. While descending to Moscow, the Pitot tube became obstructed by ice because they were not heated.
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