Crash of an Antonov AN-2T in Muryuk

Date & Time: Apr 4, 1978
Type of aircraft:
Operator:
Registration:
CCCP-13716
Flight Phase:
Survivors:
Yes
MSN:
1 91 473 20
YOM:
1957
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Shortly after takeoff, while in initial climb, the single engine aircraft lost speed, stalled and crashed. There were no casualties while the aircraft was damaged beyond repair.
Probable cause:
The exact cause of the loss of speed could not be determined.

Crash of an Antonov AN-2T in Srednekolymsk

Date & Time: Oct 18, 1977 at 1156 LT
Type of aircraft:
Operator:
Registration:
CCCP-55625
Flight Phase:
Survivors:
Yes
Schedule:
Srednekolymsk – Nalimsk
MSN:
1123 473 05
YOM:
1959
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
3
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
After takeoff from Srednekolymsk Airport, while climbing to a height of 150 meters, the engine started to misfire. Power dropped and fire sprayed out from the right side of the engine. The crew elected to make an emergency landing but inadvertently switched off the battery so he was unable to lower the flaps. The airplane crash landed at high speed, lost its undercarriage and lower wings and came to a halt, broken in two. All five occupants were quickly rescued while the aircraft was destroyed.
Probable cause:
The accident was the consequence of the engine misfiring as a result of a failure of the rear spark plug on cylinder n°2, which occurred as a result of the central electrode falling out of the candle with subsequent burning of its body in the cylindrical part near the turnkey hexagon. The falling out of the central electrode of the rear spark plug of cylinder n°2 was caused by the destruction of the insulator due to the formation of a microcrack and internal stresses in the insulator in the process of making candles. According to the conclusions of the State Research Institute of Civil Aviation, this defect was the consequence of a faulty design and manufacture.

Crash of an Antonov AN-2 near Chirinda: 7 killed

Date & Time: Sep 4, 1977 at 1940 LT
Type of aircraft:
Operator:
Registration:
CCCP-35485
Flight Phase:
Flight Type:
Survivors:
No
Site:
Schedule:
Chirinda - Chirinda
MSN:
1 138 473 05
YOM:
1960
Country:
Region:
Crew on board:
3
Crew fatalities:
Pax on board:
4
Pax fatalities:
Other fatalities:
Total fatalities:
7
Aircraft flight hours:
13476
Aircraft flight cycles:
9357
Circumstances:
In the morning, the crew completed two geophysical missions on behalf of the Severo-Yeniseysk expedition. In the afternoon, four passengers were illegally embarked for a fishing party on the Kotui River. In the evening, while flying back to Chirinda, the airplane suddenly lost height, struck tree tops and crashed in flames in a wooded area located on the slope of a mountain (480 meters), about 6 km southwest of Chirinda. The burned wreckage was found 132 meters below the summit and all seven occupants were killed.
Probable cause:
The exact cause of the accident could not be determined. However, it was considered that the engine probably failed in flight as the fuel quantity in both tanks was insufficient (110 liters instead of the minimum 300 liters required).

Crash of an Antonov AN-2T near Omolon

Date & Time: Aug 29, 1977
Type of aircraft:
Operator:
Registration:
CCCP-01250
Flight Phase:
Survivors:
Yes
Site:
MSN:
1 81 473 17
YOM:
1957
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
En route, the crew encountered below-minima weather conditions when the single engine aircraft hit the slope of a hill located near Omolon. There were no casualties but the aircraft was damaged beyond repair.

Crash of an Antonov AN-2 near Susuman: 3 killed

Date & Time: Aug 11, 1977 at 1040 LT
Type of aircraft:
Operator:
Registration:
CCCP-98368
Flight Phase:
Survivors:
Yes
Schedule:
Susuman - Susuman
MSN:
1 107 473 01
YOM:
1958
Country:
Region:
Crew on board:
3
Crew fatalities:
Pax on board:
3
Pax fatalities:
Other fatalities:
Total fatalities:
3
Aircraft flight hours:
12026
Aircraft flight cycles:
8863
Circumstances:
The airplane departed Susuman Airfield at 0826LT on a prospecting mission on behalf of the 22nd Geophysical NPN Group based in Seymchan. It was carrying three crew members and three operators of the NPN Group. While cruising in a valley at an altitude of 800 meters, the airplane struck power cables (it cut three cables), went out of control and crashed in flames 375 meters further. All three crew members were seriously injured and all three passengers were killed.
Probable cause:
It was determined that the crew failed to follow the minimum prescribed altitude during the mission and failed to see and avoid the cables that were located about 50 meters above the ground. A poor flight planning and the fact that the mission was not well organized by the geophysical company were considered as contributing factors.

Crash of an Antonov AN-2 near Tavda: 15 killed

Date & Time: May 7, 1977 at 1402 LT
Type of aircraft:
Operator:
Registration:
CCCP-15925
Flight Phase:
Survivors:
No
Schedule:
Tyumen - Tavda
MSN:
1148 473 16
YOM:
1960
Flight number:
SU397
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
13
Pax fatalities:
Other fatalities:
Total fatalities:
15
Aircraft flight hours:
17513
Aircraft flight cycles:
17391
Circumstances:
The single engine airplane was completing flight SU397 from Tyumen to Tavda with 13 passengers and two pilots on board. While approaching Tavda from the south, the crew encountered marginal weather conditions with rain falls, limited visibility of 2 km and low clouds. At an estimated altitude of 175 meters, the airplane collided with an Aeroflot PZL-Mielec AN-2TP registered CCCP-44992 that was completing a service from Tavda to Tyumen and just departed Tavda Airport few minutes earlier with 14 people on board. Following the collision, both aircraft went out of control, entered a dive and crashed in flames in an open field located 18 km south of Tavda. Both wreckages were found 392 meters from each other and all 29 occupants on both aircraft were killed.
Probable cause:
The in-flight collision was the consequence of a lack of ATC assistance and the fact that both crew were flying under VFR mode in adverse weather conditions.

Crash of an Antonov AN-2T near Ayanka: 4 killed

Date & Time: May 7, 1977 at 1356 LT
Type of aircraft:
Operator:
Registration:
CCCP-23716
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Ayanka - Tilichiki
MSN:
183 473 15
YOM:
1957
Country:
Region:
Crew on board:
3
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
4
Aircraft flight hours:
12738
Circumstances:
The airplane departed Ayanka Airstrip at 1332LT on a flight to Tilichiki, carrying one passenger, three crew members and a load of 10 empty fuel barrels. Sixteen minutes later, while cruising at an altitude of 1,800 meters in good weather conditions, the pilot informed ATC about a strong smell of fuel on board and elected to return to Ayanka. Six minutes later, engine fuel pressure dropped while the fuel smell was still present. A minute and 35 seconds later, the engine caught fire. The crew reduced his altitude and attempted an emergency landing when, at an altitude of 400 meters, the airplane nosed down and crashed by an angle of 60° in a small icy lake located 20 km southeast of Ayanka. The aircraft was destroyed and all four occupants were killed.
Probable cause:
A fuel leak whose origin remains unknown occurred in flight and the pilots' decision to return to Ayanka was correct. However, the intensity of the engine fire did not allow the crew to complete an emergency landing.

Crash of an Antonov AN-2T near Khoyto-Gol

Date & Time: Oct 2, 1976
Type of aircraft:
Operator:
Registration:
CCCP-01226
Flight Phase:
Survivors:
Yes
Site:
MSN:
1 81 473 04
YOM:
1957
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The crew deviated from the prescribed flight path when the single engine aircraft crash landed on the slope of a mountain located 30 km northwest of Khoyto-Gol. There were no casualties but the aircraft was written off.

Crash of an Antonov AN-2P in Novosibirsk: 5 killed

Date & Time: Sep 26, 1976 at 0816 LT
Type of aircraft:
Operator:
Registration:
CCCP-79868
Flight Phase:
Flight Type:
Survivors:
No
Site:
MSN:
1 163 473 12
YOM:
1961
Country:
Region:
Crew on board:
1
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
5
Aircraft flight hours:
14812
Circumstances:
The pilot decided to commit suicide due to marital problems and took off alone from Novosibirsk-Severny Airport and directed his aircraft into the 4 floor building where his wife and his son were living (ul. Stepnaya, d. 43/1). A strong fire erupted in the staircase and some 30 flats were damaged. The pilot was killed as well as 4 people in the building, among them three children. 11 other were injured, none of them was related to the pilot.
Probable cause:
Pilot suicide.

Crash of an Antonov AN-2V near Berezovo

Date & Time: Aug 27, 1976
Type of aircraft:
Operator:
Registration:
CCCP-79852
Flight Phase:
Survivors:
Yes
MSN:
1162 473 10
YOM:
1961
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
En route, the engine flamed out. The aircraft lost height and crashed in a field located near Berezovo. There were no casualties but the aircraft was damaged beyond repair.
Probable cause:
Engine flameout caused by a mishandling of the fuel system on part of the crew.