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Crash of an Antonov AN-10A in Rus'ka Lozova: 122 killed

Date & Time: May 18, 1972 at 1153 LT
Type of aircraft:
Operator:
Registration:
CCCP-11215
Survivors:
No
Schedule:
Moscow - Kharkiv
MSN:
0 4 025 02
YOM:
1960
Flight number:
SU1491
Country:
Region:
Crew on board:
7
Crew fatalities:
Pax on board:
115
Pax fatalities:
Other fatalities:
Total fatalities:
122
Aircraft flight hours:
15483
Aircraft flight cycles:
11105
Circumstances:
Following an uneventful flight from Vnukovo Airport at an altitude of 7,200 meters, the crew was cleared to approach Kharkiv-Osnova Airport and to descent to 1,500 meters. While approaching at a speed of 400-500 km/h with a rate of descent of 6 meters per second, the airplane lost its both wings, dove into the ground and crashed in a wooded area located in Rus'ka Lozova, about 25 km north of Kharkiv-Osnova Airport. The aircraft was totally destroyed and all 122 occupants were killed.
Probable cause:
It was determined that a structural failure of the center section lower panel caused the failure of both wings due to fatigue cracks. The rate of descent and the presence of atmospheric turbulences were considered as contributing factors. Investigations revealed that this portion of the aircraft could not be inspected by technicians during a maintenance process due to a faulty conception of the aircraft, thus the fatigue fractures could not be detected in time. Following this tragedy, the Antonov AN-10 would not be operated anymore in passenger service.

Crash of an Antonov AN-10A in Chișinău

Date & Time: Oct 12, 1971
Type of aircraft:
Operator:
Registration:
CCCP-11137
Survivors:
Yes
MSN:
8 4 004 01
YOM:
1958
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Crashed upon landing at Chișinău Airport. There were no casualties.

Crash of an Antonov AN-10 in Voroshilovgrad: 65 killed

Date & Time: Mar 31, 1971 at 1259 LT
Type of aircraft:
Operator:
Registration:
CCCP-11145
Survivors:
No
Schedule:
Kuybyshev - Voroshilovgrad - Odessa
MSN:
8 4 007 01
YOM:
1958
Flight number:
SU1969
Country:
Region:
Crew on board:
8
Crew fatalities:
Pax on board:
57
Pax fatalities:
Other fatalities:
Total fatalities:
65
Aircraft flight hours:
14337
Aircraft flight cycles:
9081
Circumstances:
On approach to Voroshilovgrad Airport, while descending from 1,200 to 600 meters, the airplane went out of control. It dove into the ground and crashed in a huge explosion in a field located 13 km from the runway threshold. The aircraft was totally destroyed upon impact and all 65 have been killed.
Probable cause:
It was determined that a portion of 13 m2 detached from the upper surface of the right wing during the approach, causing the aircraft to be uncontrollable. Investigations were unable to determined the exact cause of this 'structural' failure as no technical problems or any structural issues with rivet was apparently found.

Crash of an Antonov AN-10A near Chișinău: 1 killed

Date & Time: Aug 8, 1970 at 2052 LT
Type of aircraft:
Operator:
Registration:
CCCP-11188
Flight Phase:
Survivors:
Yes
Schedule:
Vinnitsa - Simferopol
MSN:
0 4 020 05
YOM:
1960
Flight number:
SU888
Country:
Region:
Crew on board:
107
Crew fatalities:
Pax on board:
7
Pax fatalities:
Other fatalities:
Total fatalities:
1
Aircraft flight hours:
13868
Aircraft flight cycles:
9670
Circumstances:
While cruising at an altitude of 5,400 meters on a flight from Vinnitsa to Simferopol, the crew informed ATC that smoke spread in the cabin and was cleared to divert to Chișinău Airport. Few minutes later, the engine number four caught fire. The crew feathered its propeller when the oil pressure dropped and the propeller left the feather mode. Unable to maintain the prescribed altitude, the captain elected to make an emergency landing. The airplane belly landed in a field located 38 km north of Chișinău Airport and came to rest. The navigator, the radio operator, one flight attendant and 19 passengers were slightly injured while a passenger while killed. All other occupants escaped uninjured. The aircraft was destroyed.
Probable cause:
Failure of an hydraulic line in the engine number four during flight, causing the oil to spill and to catch fire. Poor engine maintenance.

Crash of an Antonov AN-10 in Chișinău: 11 killed

Date & Time: May 15, 1970 at 1149 LT
Type of aircraft:
Operator:
Registration:
CCCP-11149
Flight Type:
Survivors:
No
Schedule:
Chișinău - Chișinău
MSN:
9 4 008 02
YOM:
1959
Country:
Region:
Crew on board:
11
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
11
Aircraft flight hours:
4641
Aircraft flight cycles:
11820
Circumstances:
The crew (seven pilots under supervision) and four instructors, were completing several training flight at Chișinău Airport. Following several manoeuvres, the crew initiated a new approach with both engines n°3 & 4 out of service. On final, the airplane banked left, lost height and crashed in a huge explosion few km short of runway threshold. The aircraft was totally destroyed and all 11 crew members were killed.
Probable cause:
Poor flying techniques on part of the crew and wrong decisions taken during a missed approach under conditions that did not guarantee the continuation of the flight on two engines. The following factors were considered as contributing:
- The approach speed and altitude were below the prescribed values for such manoeuvre,
- The decision of the instructor to initiate a go-around was too late,
- The action to increase power on both left engine was inadapted and insufficient according to the situation,
- The aircraft deviated from the approach path by 1,850 meters,
- The runway at Chișinău Airport was 2,000 meters long, which is insufficient for approach with two engines out,
- The crew failed to inform ATC he was completing an approach with two engines inoperative.

Crash of an Antonov AN-10 in Mirny

Date & Time: Oct 12, 1969
Type of aircraft:
Operator:
Registration:
CCCP-11169
Survivors:
Yes
Schedule:
Irkutsk - Mirny
MSN:
9 4 015 01
YOM:
1959
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Upon landing on a snow covered runway at Mirny Airport, the airplane went out of control, veered off runway and collided with a trench. There were no injuries among the occupant but the aircraft was damaged beyond repair. The thickness of the snow was 1-2 cm and the crew was not aware of the presence of trench by the runway.

Crash of an Antonov AN-10A in Mirnyy

Date & Time: Aug 8, 1968
Type of aircraft:
Operator:
Registration:
CCCP-11172
Survivors:
Yes
Schedule:
Irkutsk – Mirny
MSN:
9 4 016 02
YOM:
1959
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
On final approach to Mirny Airport, the crew lowered the undercarriage when the left main gear detached and fell away. The captain decided to attempt an emergency landing in a wasteland. After touchdown, the aircraft banked left, causing the left wing tip to struck the ground and to be torn off, as well as a part of the engine number one. The aircraft slid for several yards before coming to rest. While all occupants escaped uninjured, the aircraft was written off.
Probable cause:
It was determined that a day prior to the accident, another crew who performed a flight from Yakutsk to Irkutsk failed to report a hard landing at Irkutsk Airport. Investigations revealed that the structure of the left main gear was damaged following this hard landing.

Crash of an Antonov AN-10A in Syktyvkar: 7 killed

Date & Time: Feb 8, 1963 at 1737 LT
Type of aircraft:
Operator:
Registration:
CCCP-11193
Flight Type:
Survivors:
No
Schedule:
Syktyvkar - Syktyvkar
MSN:
0 4 021 04
YOM:
30
Country:
Region:
Crew on board:
7
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
7
Aircraft flight hours:
2156
Aircraft flight cycles:
1158
Circumstances:
The crew was performing a check flight at Syktyvkar Airport. During the final approach completed by night, the engines number 1, 2 & 3 flamed out in clouds and icing conditions. The crew was unable to feather the propeller that went in auto-rotation. Due to drag, the aircraft lost speed and height, banked left to an angle of 90°, struck tree tops and crashed in a wooded area located in Verkhnyaya Maksakovka, 10,2 km east of the Syktyvkar Airport. All 7 crew members were killed.
Probable cause:
The engine flame out was probably caused by the air intake iced up. The crew inexperience and the poor efficiency of the air-intake heating system were considered as contributing factors.

Crash of an Antonov AN-10A near Sochi: 81 killed

Date & Time: Jul 28, 1962 at 1541 LT
Type of aircraft:
Operator:
Registration:
CCCP-11186
Survivors:
No
Site:
Schedule:
Lviv – Simferopol – Sochi
MSN:
0 4 020 03
YOM:
8
Flight number:
SU415
Country:
Region:
Crew on board:
7
Crew fatalities:
Pax on board:
74
Pax fatalities:
Other fatalities:
Total fatalities:
81
Aircraft flight hours:
1358
Aircraft flight cycles:
1059
Circumstances:
While approaching Sochi-Adler Airport on a flight from Simferopol, the crew was cleared to descend to 1,200 m, 600 m and then 500 meters. Once this altitude was reached, the crew encountered marginal weather conditions and the four engine aircraft went through a cloudy area when it struck tree tops and crashed in flames in a dense wooded area located 21 km southeast of the airport. The airplane was totally destroyed and the debris were scattered on a distance of 300 m by 150 m. All 81 occupants were killed.
Probable cause:
At the time of the accident, the crew was following an approach route that was not used by ATC based at Sochi-Adler Airport. Investigations determined that the Sochi Airport authorities decided to change the approach pattern and procedures while this was not approved by Soviet State Aviation Authority. Also, the crews were no aware of these modifications.The following factors were considered as contributing:
- Poor coordination between State and Airport Authorities,
- Lack of visibility due to clouds,
- Lack of assistance on part of ATC,
- Inadequacies and wrong decisions on part of ATC,
- Lack of knowledge about the Sochi area,
- Lack of crew training in mountainous terrain.

Crash of an Antonov AN-10A in Ulyanovsk: 13 killed

Date & Time: Jan 27, 1962 at 1817 LT
Type of aircraft:
Operator:
Registration:
CCCP-11148
Flight Phase:
Flight Type:
Survivors:
Yes
Schedule:
Ulyanovsk - Ulyanovsk
MSN:
9 4 008 01
YOM:
28
Country:
Region:
Crew on board:
14
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
13
Aircraft flight hours:
622
Aircraft flight cycles:
1435
Circumstances:
The crew (10 pilots under supervision and four instructors) were involved in a local training flight at Ulyanovsk-Baratayevka Airport. After takeoff, while climbing by night at an altitude of 150 meters, the crew raised the undercarriage when the engine number four failed. The crew tried to feather the propeller that went into auto-rotation. Due to high drag, the airplane banked right, lost height and crashed in a huge explosion 1,090 meters past the runway end. A crew member was seriously injured while 13 other occupants were killed. The airplane was completely destroyed.
Probable cause:
The engine number four failed shortly after rotation for undetermined reasons. The crew was unable to feather the propeller that went into auto-rotation, causing high drag and a loss of control. That was the first flight on AN-10 for the pilot-in-command who did not know the behavior of the plane, and poor visibility due to the night and lack of ground visual references remained contributing factors.