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Crash of a Yakovlev Yak-40 near Khanty-Mansiysk: 5 killed

Date & Time: May 17, 1986 at 1557 LT
Type of aircraft:
Yakovlev Yak-40
Operator:
Registration:
CCCP-87928
Flight Phase:
Flight
Flight Type:
Test
Survivors:
No
Site:
Plain, Valley
Schedule:
Khanty-Mansiysk - Khanty-Mansiysk
MSN:
9 74 19 55
YOM:
1977
Location:
Khanty-Mansiysk
Khantia-Mansia okrug
Country:
Russia
Region:
Asia
Crew on board:
5
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
5
Circumstances:
The aircraft suffered an incident at Chita Airport last April 18 when the nose gear collapsed on landing. Following repairs, the crew (three pilots and two engineers) was engaged in a local test flight out from Khanty-Mansiysk Airport. While cruising at an altitude of 6,000 meters, the ailerons were deployed to an angle of 8,5° then the aircraft turned to the right. Eight seconds later, it went out of control, overturned and entered a dive. With a rate of descent of 100 meters per second, the aircraft reached the speed of 620 km/h. With a positive acceleration of 5,25 g the left wing separated and struck the base of the tail that was torn off. The aircraft continued its uncontrolled descent until it crashed in an open field located near the Ob River, about 19 km northwest of the Khanty-Mansiysk Airport. The aircraft was destroyed and all five crew members were killed. The wreckage was found a day later.
Probable cause:
It was determined that the captain elected to perform a barrel in flight, in violation of all published procedures in force.
Final Report:

Crash of an Antonov AN-12B near Graham Bell Island

Date & Time: May 3, 1986
Type of aircraft:
Antonov AN-12
Operator:
Registration:
CCCP-12962
Flight Phase:
Landing (descent or approach)
Flight Type:
Cargo
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
MSN:
9 3 464 06
YOM:
1969
Location:
Graham Bell Island
Arkhangelsk oblast
Country:
Russia
Region:
Asia
Crew on board:
5
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Aircraft flight hours:
26140
Aircraft flight cycles:
9696
Circumstances:
The crew was completing a cargo/supply mission to local scientists based in the Franz-Josef Archipelago. On approach to Ledovaya Baza airfield located about 53 km north of the Graham Bell Island, the crew encountered whiteout conditions when the aircraft crashed short of runway and came to rest. All five crew members escaped uninjured and the aircraft was repairable. A team was dispatched to recover the plane and on May 13, while trying to get it out from his position, the aircraft went through the ice and sank.

Crash of a Yakovlev Yak-40 in Chita

Date & Time: Apr 18, 1986
Type of aircraft:
Yakovlev Yak-40
Operator:
Registration:
CCCP-87301
Flight Phase:
Landing (descent or approach)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
MSN:
9 32 17 28
YOM:
1973
Location:
Chita-Kadala
Zabaykalsky Krai
Country:
Russia
Region:
Asia
Crew on board:
5
Crew fatalities:
Pax on board:
27
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Upon landing at Chita-Kadala Airport, the right main landing gear collapsed. This caused the right wing to struck the ground and the aircraft slid several yards then veered off runway to the right and came to rest. While all 32 occupants were uninjured, the aircraft was damaged beyond repair.
Probable cause:
The right main landing gear collapsed upon landing after the kingpin arm of the folding brace mount failed due to manufacturing defect.

Crash of a PZL-Mielec AN-2 in Arctic

Date & Time: Apr 10, 1986
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-07647
Flight Phase:
Landing (descent or approach)
Flight Type:
Geographical / Geophysical / Scientific
Survivors:
Yes
Site:
Plain, Valley
MSN:
1G157-32
YOM:
1974
Location:
Arctic
World
Country:
World
Region:
World
Crew on board:
5
Crew fatalities:
Pax on board:
4
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The single engine aircraft was engaged in a special flight to Artica, carrying four scientists and five crew members. Following an uneventful flight in good weather conditions, the crew selected a landing area on the ice. After touchdown, the right ski went through the ice and the aircraft came to a halt. All nine occupants deplaned when the aircraft sank and was lost.
Probable cause:
The crew selected an unsuitable area for landing according to procedures as the ice was to thin.

Crash of a PZL-Mielec AN-2 near Frunze

Date & Time: Apr 8, 1986
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-56375
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Site:
Plain, Valley
MSN:
1G180-54
YOM:
1978
Location:
Frunze
Bishkek City
Country:
Kyrgyzstan
Region:
Asia
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Crashed in unknown circumstances near Frunze after the crew failed to follow the minimum safe altitude. Occupant fate unknown.

Crash of an Antonov AN-24B in Bugulma: 38 killed

Date & Time: Mar 2, 1986 at 0304 LT
Type of aircraft:
Antonov AN-24
Operator:
Registration:
CCCP-46423
Flight Phase:
Landing (descent or approach)
Flight Type:
Scheduled Revenue Flight
Survivors:
No
Site:
Airport (less than 10 km from airport)
Schedule:
Moscow - Cheboksary - Bugulma
MSN:
0 73 041 08
YOM:
1970
Flight number:
SU77F
Location:
Bugulma
Republic of Tatarstan
Country:
Russia
Region:
Asia
Crew on board:
4
Crew fatalities:
Pax on board:
34
Pax fatalities:
Other fatalities:
Total fatalities:
38
Aircraft flight hours:
31570
Aircraft flight cycles:
23765
Circumstances:
On approach to Bugulma Airport by night, the left propeller autofeathered. The aircraft speed dropped and the aircraft started to veer to the left. The crew elected to maintain directional control but the speed continued to drop. At a speed of 140 km/h, the aircraft banked left to an angle of 110° then stalled and crashed in a field located 8 km from the runway threshold and 500 meters from its extended centerline. The aircraft was totally destroyed and all 38 occupants were killed.
Probable cause:
The left propeller autofeathered one second after the flaps were deployed in an angle of 38° because an electrical switch connected to the automatic feathering system failed. This situation affected the aircraft stability and controllability and the crew was unable to correct abnormal yaw and roll following several errors.

Crash of an Ilyushin II-14M in Philippi Glacier: 6 killed

Date & Time: Feb 17, 1986 at 0710 LT
Type of aircraft:
Ilyushin II-14
Operator:
Registration:
CCCP-41816
Flight Phase:
Flight
Flight Type:
Cargo
Survivors:
No
Site:
Plain, Valley
Schedule:
Molodezhnaya - Mirny
MSN:
1470 016 03
YOM:
1957
Location:
Philippi Glacier
All Antarctica
Country:
Antarctica
Region:
Antarctica
Crew on board:
6
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
6
Aircraft flight hours:
32094
Aircraft flight cycles:
18078
Circumstances:
En route from Molodezhnaya Ice Station to the Mirny Ice Station (distance 2,020 km), the crew encountered icing conditions and reduced his altitude to 1,500 meters when strong headwinds were met (up to 140 km/h). This caused the speed to drop and the fuel consumption to increase. Due to fuel shortage, the crew attempted an emergency landing on the Philippi Glacier located 240 km west of the Mirny Ice Station (at S66.833 E88.00). But in whiteout conditions, the aircraft crashed into the surface of the glacier and was completely destroyed. All six occupants were killed. The wreckage was found few days later.
Probable cause:
Fuel exhaustion due to strong headwind and emergency landing in whiteout conditions.

Crash of an Antonov AN-26B in Saransk

Date & Time: Feb 6, 1986 at 2323 LT
Type of aircraft:
Antonov AN-26
Operator:
Registration:
CCCP-26095
Flight Phase:
Takeoff (climb)
Flight Type:
Cargo
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Nizhnevartovsk – Sverdlovsk – Saransk – Gomel
MSN:
27312302
YOM:
1972
Flight number:
SU14454
Location:
Saransk-Intl
Republic of Mordovia
Country:
Russia
Region:
Asia
Crew on board:
6
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Aircraft flight hours:
3088
Aircraft flight cycles:
1301
Circumstances:
The aircraft was completing a cargo flight from Nizhnevartovsk to Gomel with intermediate stops in Sverdlovsk and Saransk, carrying six crew members and a load of 2,100 kilos of various goods. Less than one minute after takeoff from Saransk Airport, while climbing by night at an altitude of 150 meters, the aircraft entered a left turn then lost height and crashed at a speed of 390 km/h (rate of descent of 4,3 meters per second) two km past the runway end. The aircraft was destroyed and all six occupants were injured.
Probable cause:
It was determined that the pilot-in-command misinterpreted red lights on the localizer and inner marker beacon for the anti-collision lights of an approaching aircraft and initiated a left turn to avoid collision when control was lost. No aircraft was approaching Saransk Airport at the time of the accident. It was also determined that the mass and balance was incorrect as the total weight of the cargo was 3,500 kilos instead of 2,100 kilos.

Crash of a PZL-Mielec AN-2 near Nazimovo: 4 killed

Date & Time: Nov 16, 1985
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-07877
Flight Phase:
Flight
Flight Type:
Ambulance
Survivors:
No
Site:
Plain, Valley
MSN:
1G170-36
YOM:
1976
Location:
Nazimovo
Krasnoyarsk Krai
Country:
Russia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
4
Circumstances:
The crew received a special permission for an ambulance flight as the weather conditions were poor and the visibility was below minimums. En route, the crew encountered snow falls and icing conditions when the aircraft crashed in the region of Nazimovo. As the airplane failed to arrive at destination, SAR operations were initiated but eventually abandoned after few days as no trace of the aircraft nor the four occupant was found. The wreckage was found on 18 June 1986 in an isolated area. It was determined that the aircraft struck tree tops in a 30° nose-down angle and crashed in a wooded area.

Crash of a Yakovlev Yak-40 near Kutaisi: 14 killed

Date & Time: Oct 11, 1985 at 1009 LT
Type of aircraft:
Yakovlev Yak-40
Operator:
Registration:
CCCP-87803
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Survivors:
No
Site:
Mountains
Schedule:
Tbilisi – Kutaisi – Poti
MSN:
9 23 09 23
YOM:
1972
Flight number:
SU07G
Location:
Kutaisi
Imereti
Country:
Georgia
Region:
Asia
Crew on board:
4
Crew fatalities:
Pax on board:
10
Pax fatalities:
Other fatalities:
Total fatalities:
14
Circumstances:
According to published procedures, the crew was supposed to climb to an altitude of 2,400 meters after takeoff from Kutaisi Airport. But due to an Aeroflot Antonov AN-24 that was approaching another airport in Kutaisi, the crew was instructed by ATC to maintain the altitude of 300 meters after departure. Few minutes after takeoff, while cruising in bad weather conditions, the crew failed to switch from VFR to IFR mode when, in restricted visibility, the aircraft struck the slope of a mountain located some 47 km west of the airport. The aircraft was totally destroyed and all 14 occupants were killed.
Probable cause:
The accident was the consequence of a poor ATC assistance and radar coverage of the region as well as a lack of ATC coordination in the Kutaisi Airport area control center. At the time of the accident, ATC was unaware of the lack of visibility due to poor weather conditions. Lack of discipline, poor work organization and procedures violation were considered as contributing factors.
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