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Khantia-Mansia okrug

Crash of an Antonov AN-24B in Sovetskiy: 32 killed

Date & Time: Nov 21, 1989 at 1728 LT
Type of aircraft:
Antonov AN-24
Operator:
Registration:
CCCP-46335
Flight Phase:
Landing (descent or approach)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Perm - Sovetskiy
MSN:
97305602
YOM:
1979
Flight number:
SU37577
Location:
Sovetskiy
Khantia-Mansia okrug
Country:
Russia
Region:
Asia
Crew on board:
5
Crew fatalities:
Pax on board:
35
Pax fatalities:
Other fatalities:
Total fatalities:
32
Aircraft flight hours:
36861
Aircraft flight cycles:
31763
Circumstances:
Following an uneventful flight from Perm, the crew started the descent to Sovetskiy Airport and was informed about the weather conditions at destination with ceiling down to 80 meters and an horizontal visibility estimated to 2 kilometers, which was below minimums. Despite this situation, the crew decided to continue the approach and deliberately passed below the minimum descent altitude probably to establish a visual contact with the ground. On short final, the aircraft struck tree tops (25 meters high), banked right and crashed in a wooded area located 700 meters short of runway 30, about 250 meters to the right of its extended centerline, bursting into flames. Eight passengers were rescued while 32 other occupants were killed.
Probable cause:
It was determined that the accident was the consequence of a wrong approach configuration of the flying crew who decided to continue the approach in below weather minimums and passed the MDA until the aircraft contacted trees and crashed.
The following contributing factors were reported:
- Poor approach planning,
- Unsatisfactory crew interactions,
- Poor distribution of tasks among the flight crew,
- Violation of minimums,
- The crew decided to continue the approach after passing the MDA,
- The crew failed to initiate a go-around procedure.

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

Date & Time: Oct 16, 1989
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-01438
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Plain, Valley
MSN:
1G231-18
YOM:
1988
Location:
Pripolyarnyy
Khantia-Mansia okrug
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 caught fire and the crew attempted an emergency landing when the aircraft crashed in an open field. There were no casualties.
Probable cause:
The engine caught fire in flight after the exhaust pipe failed in icing conditions.

Crash of a Tupolev TU-134A in Surgut: 20 killed

Date & Time: Feb 27, 1988 at 0607 LT
Type of aircraft:
Tupolev TU-134
Operator:
Registration:
CCCP-65675
Flight Phase:
Landing (descent or approach)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Minsk – Kuybyshev – Tyumen – Surgut
MSN:
2 35 17 05
YOM:
1972
Flight number:
SU7867
Location:
Surgut
Khantia-Mansia okrug
Country:
Russia
Region:
Asia
Crew on board:
6
Crew fatalities:
Pax on board:
45
Pax fatalities:
Other fatalities:
Total fatalities:
20
Aircraft flight hours:
18900
Aircraft flight cycles:
12656
Circumstances:
Following an uneventful flight from Kuybyshev, the crew initiated the descent to Surgut Airport by night. The visibility was reduced due to marginal weather conditions. On approach, ATC instructed the pilot to modify his trajectory and to follow the glide as the aircraft deviated to the left. At this time, it is believed that the captain got distracted. After the crew passed the decision height, the captain continued the approach despite the fact he did not establish any visual contact with the runway lights and failed to initiate a go-around. At a height of 38 meters and a speed of 286 km/h, the aircraft passed 50 meters to the left of the threshold and the captain decided to continue. ATC instructed the crew to go-around when, one second later, the aircraft touched the ground of a snowy field some 714 meters past the runway threshold and 113 meters to the left of the runway. With a positive acceleration of 4,8 g, the aircraft lost its right wing and came to rest upside down, bursting into flames. 31 people were injured while 20 others were killed, among them the copilot.
Probable cause:
It was determined that the crew adopted a wrong approach configuration and took the decision to continue the approach after passing the decision height without establishing any visual contact with the runway lights. The following contributing factors were reported:
- The captain got distracted,
- The crew failed to initiate a go-around procedure,
- The approach lights were not activated,
- The visibility was reduced due to the night and marginal weather conditions,
- Poor flight preparation,
- Poor approach planning,
- Inaccurate information were transmitted to the crew related to weather conditions and visibilty.

Crash of a Yakovlev Yak-40 in Nizhnevartovsk: 27 killed

Date & Time: Jan 24, 1988 at 1850 LT
Type of aircraft:
Yakovlev Yak-40
Operator:
Registration:
CCCP-87549
Flight Phase:
Takeoff (climb)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Nizhnevartovsk - Tyumen - Bugulma
MSN:
9 53 14 42
YOM:
1975
Flight number:
SU29674
Location:
Nizhnevartovsk
Khantia-Mansia okrug
Country:
Russia
Region:
Asia
Crew on board:
4
Crew fatalities:
Pax on board:
27
Pax fatalities:
Other fatalities:
Total fatalities:
27
Aircraft flight hours:
13978
Aircraft flight cycles:
14766
Circumstances:
Liftoff was completed at a speed of 220 km/h after a course of 1,700 meters. Immediately after takeoff, at a height of 2 meters, engines n°2 and 3 lost approximately 20% of power. Few seconds later, the engine n°1 also suffered a power reduction of about 10%. The aircraft then rolled to the right to an angle of 60°, lost height and crashed in a field located 1,800 meters past the runway end, bursting into flames. Four passengers were seriously injured while 27 other occupants were killed.
Probable cause:
The exact cause of the loss of power on all three engines could not be determined with certainty, also due to the absence of evidences, efficient recording systems and testimony from the crew who were killed.

Crash of a PZL-Mielec AN-2P in Lugovoi

Date & Time: Dec 12, 1987
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-70277
Flight Phase:
Takeoff (climb)
Flight Type:
Cargo
Site:
Plain, Valley
MSN:
1G139-36
YOM:
1972
Location:
Lugovoi
Khantia-Mansia okrug
Country:
Russia
Region:
Asia
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Prior to takeoff from Lugovoi, 50 bags of fish (25 kilos each) and other stuff were loaded on board the aircraft. After liftoff, the aircraft encountered difficulties to gain height and its speed was too low. It rolled to the right then lost height and crashed. Occupant fate unknown.
Probable cause:
It was determined that the aircraft's weight was 1,200 kilos above MTOW.

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 a PZL-Mielec AN-2P in Nizhnevartovsk

Date & Time: Oct 18, 1978
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-02457
Flight Phase:
Takeoff (climb)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Nizhnevartovsk – Strezhevoy
MSN:
1G117-68
YOM:
1970
Location:
Nizhnevartovsk
Khantia-Mansia okrug
Country:
Russia
Region:
Asia
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Shortly after takeoff from Nizhnevartovsk Airport, the crew encountered control and stability problems. The pilot-in-command attempted an emergency landing when the aircraft crashed in flames in a swampy area near the airfield. All occupants were evacuated safely while the aircraft was destroyed by a post crash fire.
Probable cause:
It was determined that the aircraft was not properly cleared of snow and ice prior to takeoff.

Crash of a PZL-Mielec AN-2 in Surgut: 14 killed

Date & Time: Nov 1, 1974 at 1456 LT
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-70766
Flight Phase:
Landing (descent or approach)
Flight Type:
Scheduled Revenue Flight
Survivors:
No
Site:
Airport (less than 10 km from airport)
Schedule:
Khanty-Mansiysk - Surgut
MSN:
1G132-21
YOM:
1971
Flight number:
SU662
Location:
Surgut
Khantia-Mansia okrug
Country:
Russia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
12
Pax fatalities:
Other fatalities:
Total fatalities:
14
Aircraft flight hours:
2591
Aircraft flight cycles:
3477
Circumstances:
Following an uneventful flight from Khanty-Mansiysk, the crew was cleared to continue the approach to runway 25 when he encountered marginal weather conditions with low clouds (130 meters above the ground) and limited visibility. While on approach at an altitude of 150 metres, the single engine airplane collided with a Mil Mi-8T. Registered CCCP-25686, it just took off from Surgut Airport bound to Nefteyugansk with 21 passengers and three crew members on board. Following the collision, both airplanes crashed in a wooded area, 600 meters from each other. Both machines were destroyed and none of the 38 occupants survived the collision.
Probable cause:
The collision was the consequence of wrong decisions on part of ATC at Surgut Airport who cleared the Antonov AN-2 crew to continue the descent while they actually had no idea of his real position. Following an accumulation of negligences, ATC failed to coordinate both movements, failed to inform both crews about the presence of a second aircraft in the traffic pattern and authorized the crew of the helicopter to take off while they did no have any idea about the exact position of the Antonov. The lack of visibility caused by the presence of low clouds remained a contributing factor, as well as the fact that the Antonov AN-2 crew continued the descent below weather minima.

Crash of an Antonov AN-2 near Lake Khattavtur: 3 killed

Date & Time: Mar 9, 1973 at 1325 LT
Type of aircraft:
Antonov AN-2
Operator:
Registration:
CCCP-01262
Flight Phase:
Flight
Flight Type:
Ferry
Survivors:
No
Site:
Plain, Valley
Schedule:
Yelushkino – Kondinskoye
MSN:
1 71 473 16
YOM:
1957
Location:
Kondinskoye
Khantia-Mansia okrug
Country:
Russia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
3
Aircraft flight hours:
12736
Circumstances:
After eight workers have been dropped off in Yelushkino, the crew was returning to Kondinskoye with one passenger, the Director of Kondinskoye Airport. En route, the crew initiated hazardous manoeuvres and lost control of the airplane that nosed down to an angle of 90° and crashed in a snow covered field located southeast of Lake Khattavtur, about 57 km west of Kondinskoye. The aircraft was destroyed and all three occupants were killed. Blood analysis revealed an alcohol level of 0,8‰ with the copilot and 3,4‰ with the captain.
Probable cause:
Loss of control while the crew was intoxicated.
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