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

Date & Time: Feb 1, 1978 at 1242 LT
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-40570
Flight Phase:
Flight
Flight Type:
Cargo
Survivors:
No
Site:
Plain, Valley
Schedule:
Yaroslavl – Vologda – Totma – Veliki Ustiug – Kotlas – Ukhta – Pechora
MSN:
1G84-23
YOM:
1967
Location:
Krasnoye
Vologda oblast
Country:
Russia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
2
Aircraft flight hours:
10050
Aircraft flight cycles:
23747
Circumstances:
The single engine airplane departed Yaroslavl Airport at 1032LT on a cargo flight to Pechora with several enroute stops. After passing over Vologda (without landing), while at an altitude of 125 meters, the airplane collided with another PZL-Mielec AN-2TP registered CCCP-40563 that just took off from Vologda on a flight to Babushkina with six passengers and a crew of two on board. Following the collision, the first AN-2 went out of control and crashed in a field while the crew of the second aircraft was able to perform an emergency landing. All eight occupants escaped uninjured while both pilots in the first airplane were killed.
Probable cause:
Failure of the crew to adhere to navigation and communication procedures with ATC. It was also determined that the total weight of the aircraft was 150 kilos above MTOW from Yaroslavl Airport, which was considered as a contributing factor as this reduced the aircraft's speed that arrived too late over Vologda referring to the estimated time of arrival.

Crash of a PZL-Mielec AN-2R in Ekimchan

Date & Time: Dec 23, 1977
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-02708
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Plain, Valley
MSN:
1G124-14
YOM:
1971
Location:
Ekimchan
Amur oblast
Country:
Russia
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 Ekimchan. There were no casualties. It is reported that the total weight of the aircraft was above the MTOW at the time of the accident.

Crash of a PZL-Mielec AN-2P near Ukhta

Date & Time: Dec 20, 1977
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-07471
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Plain, Valley
MSN:
1G151-46
YOM:
1973
Location:
Ukhta
Republic of Komi
Country:
Russia
Region:
Asia
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The engine failed in flight, forcing the crew to attempt an emergency landing. The aircraft crash landed near Ukhta and was damaged beyond repair. There were no casualties.
Probable cause:
Engine failure.

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

Date & Time: Dec 19, 1977
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-09696
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Plain, Valley
MSN:
1G76-30
YOM:
1966
Location:
Podkopayevo
Kaluga oblast
Country:
Russia
Region:
Asia
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The crew made a mistake in handling the fuel system, causing the engine to flame out. The pilot was forced to make an emergency landing but the aircraft crash landed and was written off. There were no casualties.
Probable cause:
Pilot error.

Crash of an Antonov AN-24RV in Tarko-Sale: 17 killed

Date & Time: Dec 9, 1977 at 1925 LT
Type of aircraft:
Antonov AN-24
Operator:
Registration:
CCCP-47695
Flight Phase:
Takeoff (climb)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Tarko-Sale - Surgut
MSN:
27307602
YOM:
1972
Flight number:
SU134
Location:
Tarko-Sale
Republic of Yamalia
Country:
Russia
Region:
Asia
Crew on board:
5
Crew fatalities:
Pax on board:
18
Pax fatalities:
Other fatalities:
Total fatalities:
17
Aircraft flight hours:
11791
Aircraft flight cycles:
8486
Circumstances:
Following a night takeoff from Tarko-Sale Airport, while climbing at a height of 120 meters and a speed of 295 km/h, the captain requested flaps up when the airplane started to descend with a rate of nine meters per second. The aircraft then rolled to the right by an angle of 30° and struck trees at a speed of 365 km/h before crashing 2,889 meters past the runway end. Four crew members and 13 passengers were killed while six other occupants were seriously injured. The aircraft was destroyed.
Probable cause:
The exact cause of the accident could not be determined with certainty. Eyewitnesses reported a red light facing the aircraft just prior to the accident but it was confirmed there was no other traffic in the vicinity of the airport at the time of the accident. It is possible that the red light may be a fire or a possible flare.

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

Date & Time: Nov 28, 1977
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-70629
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Plain, Valley
MSN:
1G128-38
YOM:
1971
Location:
Chuya
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 in unknown circumstances near Chuya. There were no casualties.

Crash of a PZL-Mielec AN-2 on Mt Aag: 7 killed

Date & Time: Nov 5, 1977 at 1208 LT
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-70453
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Survivors:
No
Site:
Mountains
Schedule:
Esso – Milkovo – Petropavlovsk-Kamchatsky
MSN:
1G143-32
YOM:
1972
Flight number:
SU956
Location:
Mt Aag
Kamchatka Krai
Country:
Russia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
5
Pax fatalities:
Other fatalities:
Total fatalities:
7
Circumstances:
The single engine airplane departed Milkovo Airport at 1117LT bound to the south. En route, weather conditions worsened and clouds developed over the Sredinny Mountain Range. At an altitude of 2,400 meters, the airplane entered clouds while descending to Petropavlovsk-Kamchatsky-Galaktyrka Airport. At an altitude of 2,200 meters, strong downdrafts were encountered then the airplane lost height and crashed on the north face of Mt Aag (2,230 meters high) located about 28 km northeast of Galaktyrka Airport. The burned wreckage was spotted a day later in deep snow and it was confirmed that all seven occupants were killed. Two days later, an avalanche dragged the wreckage for almost 700 meters and only the copilot's body was later found.
Probable cause:
The crew descended into clouds without knowing his exact position and without any visual contact with ground (mountains). At the time of the accident, strong atmospheric downdrafts were present as well as strong winds from the west, which was considered as contributing factors.

Crash of an Ilyushin II-14M near Cape Chelyuskin

Date & Time: Oct 27, 1977
Type of aircraft:
Ilyushin II-14
Operator:
Registration:
CCCP-04195
Flight Phase:
Flight
Flight Type:
Survey / Patrol / Reconnaissance
Survivors:
Yes
Site:
Plain, Valley
MSN:
1 470 013 13
YOM:
1957
Location:
Cape Chelyuskin
Krasnoyarsk Krai
Country:
Russia
Region:
Asia
Crew on board:
7
Crew fatalities:
Pax on board:
4
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
The airplane was engaged in an ice survey flight over the Vilkitsky Strait, carrying four scientists and seven crew members. The goal of the mission was to facilitate the passage of ships in the Laptev Sea. After overflying Peter Island, while cruising by night at an altitude of 250 meters, the navigator made a mistake, causing the aircraft to fly to the wrong direction. Approaching the shore at an insufficient height, the airplane struck the icy and snow covered ground, slid for about 180 meters and came to rest, about 38 km southeast of Cape Chelyuskin. All 11 occupants were rescued while the aircraft was damaged beyond repair.
Probable cause:
Navigation error.

Crash of an Antonov AN-2T in Srednekolymsk

Date & Time: Oct 18, 1977 at 1156 LT
Type of aircraft:
Antonov AN-2
Operator:
Registration:
CCCP-55625
Flight Phase:
Takeoff (climb)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Srednekolymsk – Nalimsk
MSN:
1123 473 05
YOM:
1959
Location:
Srednekolymsk
Republic of Yakutia (Sakha)
Country:
Russia
Region:
Asia
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 a PZL-Mielec AN-2R near Samarkand

Date & Time: Sep 27, 1977
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-33254
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Plain, Valley
MSN:
1G58-22
YOM:
1965
Location:
Samarkand
Samarkand Province (Samarqand viloyati)
Country:
Uzbekistan
Region:
Asia
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
In flight, the crew mishandled the engine power, causing the engine to fail. The pilot elected to make an emergency landing but the aircraft crashed near Samarkand and was damaged beyond repair. There were no casualties.
Probable cause:
Pilot error.
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