Region
Asia

Crash of an Antonov AN-2 on Mt Yamantau: 6 killed

Date & Time: Sep 15, 1975 at 0758 LT
Type of aircraft:
Antonov AN-2
Operator:
Registration:
CCCP-35501
Flight Phase:
Flight
Flight Type:
Geographical / Geophysical / Scientific
Survivors:
No
Site:
Mountains
Schedule:
Beloretsk - Beloretsk
MSN:
113947307
YOM:
1960
Location:
Mt Yamantau
Republic of Bashkortostan
Country:
Russia
Region:
Asia
Crew on board:
3
Crew fatalities:
Pax on board:
3
Pax fatalities:
Other fatalities:
Total fatalities:
6
Aircraft flight hours:
17095
Circumstances:
The crew departed Beloretsk at 0709LT on a prospection mission in the region of Inzer on behalf of a logging program for the Ural Geological Administration, carrying three passengers and three crew members. At 0730LT, the crew informed ATC about his position and that he would start soon the aerial work. While cruising in clouds (400 to 600 meters above the ground), the airplane crashed on the east slope of Mt Yamantau (976 meters high) located 35 km east of Inzer. As the contact was interrupted with the crew and that the airplane failed to return to its base, SAR operations were initiated and the burned wreckage was found two days later about 70 meters below the summit of the mountain. All six occupants have been killed.
Probable cause:
It was determined that the accident was the consequence of a loss of control in altitude after the airplane encountered orographic currents specific to the terrain of Mt Yamantau. Despite a reaction from the crew who increased the engine power, he was unable to maintain a suitable control of the airplane.

Crash of a PZL-Mieloec AN-2R in Malyye Khutora: 4 killed

Date & Time: Aug 30, 1975 at 1900 LT
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-70506
Flight Phase:
Flight
Flight Type:
Ferry
Survivors:
No
Site:
Plain, Valley
Schedule:
Krasnopolye - Mogilev
MSN:
1G144-17
YOM:
1973
Location:
Krasnopolye
Smolensk oblast
Country:
Russia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
4
Aircraft flight hours:
1781
Circumstances:
The aircraft was supposed to transfer a patient on an ambulance flight but the failure of the starter necessitated the intervention of two mechanics. The patient was transferred on another aircraft and once it was repaired, the aircraft was ferried to Mogilev with both pilots and both mechanics. About six minutes after takeoff, while cruising at a relative low altitude about 10 km from its departure point, the airplane entered a steep left turn, went out of control and crashed in flames at Malyye Khutora (Krasnopolye district of the Mogilev region). All four occupants were killed.
Probable cause:
It was determined that both pilots were severely intoxicated after taking part to a wedding in the afternoon. The alcohol content of the captain's blood was 2 ‰ and 4.2 ‰ for the copilot. Both mechanics had not consumed any alcohol.

Crash of a Tupolev TU-104B in Novosibirsk

Date & Time: Aug 30, 1975
Type of aircraft:
Tupolev TU-104
Operator:
Registration:
CCCP-42472
Flight Phase:
Landing (descent or approach)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
MSN:
0 2 12 05
YOM:
1960
Location:
Novosibirsk-Tolmachevo
Novosibirsk oblast
Country:
Russia
Region:
Asia
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Upon landing at Novosibirsk-Tolmachevo Airport, the right main gear collapsed. The airplane slid for several dozen meters before coming to rest. There were no casualties but the aircraft was written off.
Probable cause:
Failure of the right main gear upon landing for undetermined reasons.

Crash of an Ilyushin II-14M near Bagdarin: 11 killed

Date & Time: Aug 9, 1975 at 1027 LT
Type of aircraft:
Ilyushin II-14
Operator:
Registration:
CCCP-52056
Flight Phase:
Landing (descent or approach)
Flight Type:
Geographical / Geophysical / Scientific
Survivors:
No
Site:
Mountains
Schedule:
Chita - Bagdarin
MSN:
7 34 28 04
YOM:
1957
Location:
Bagdarin
Republic of Buryatia
Country:
Russia
Region:
Asia
Crew on board:
5
Crew fatalities:
Pax on board:
6
Pax fatalities:
Other fatalities:
Total fatalities:
11
Aircraft flight hours:
16396
Aircraft flight cycles:
9689
Circumstances:
The airplane was engaged in a special mission on behalf of the Voyekova Geophysical Observatory, carrying a crew of five and six passengers, among them three employees of the observatory. Following a successfully mission consisting of thunderstorm observation, the crew was approaching Bagdarin when he encountered poor weather conditions with low clouds and heavy rain falls. While descending to an altitude of 600 meters in clouds, the airplane struck tree tops, stalled and crashed in flames in a wooded area located on the slope of a mountain (827 meters high), about 28 km from the Bagdarin Airport. The aircraft was totally destroyed and all 11 occupants have been killed.
Probable cause:
Poor approach planning on part of the crew who failed to follow the approved procedures and adopted a wrong approach configuration, causing the aircraft to descend to an unsafe altitude over mountainous area and in poor weather conditions. The lack of visibility due to clouds and rain was considered as a contributing factor as well as a poor ATC assistance.

Crash of an Antonov AN-2T near Markovo

Date & Time: Jun 19, 1975
Type of aircraft:
Antonov AN-2
Operator:
Registration:
CCCP-41932
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Mountains
MSN:
1 26 473 09
YOM:
1952
Location:
Markovo
Chukotka okrug
Country:
Russia
Region:
Asia
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
While on a flight from the Anadyr district, the crew encountered below-minima weather conditions when the aircraft hit the slope of a mountain near Markovo. There were no casualties but the aircraft was damaged beyond repair.

Crash of a PZL-Mielec AN-2R in Filonovskaya: 2 killed

Date & Time: Jun 16, 1975 at 1746 LT
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-49399
Flight Phase:
Flight
Flight Type:
Spraying (Agricultural)
Survivors:
No
Site:
Plain, Valley
Schedule:
Filonovskaya - Filonovskaya
MSN:
1G14-23
YOM:
1962
Location:
Filonovskaya
Volgograd oblast
Country:
Russia
Region:
Asia
Crew on board:
1
Crew fatalities:
Pax on board:
1
Pax fatalities:
Other fatalities:
Total fatalities:
2
Aircraft flight hours:
9380
Aircraft flight cycles:
37520
Circumstances:
Three minutes after takeoff from Filonovskaya (Novoanninski district of the Volgograd region), while on a crop spraying flight for the kolkhoz (collective farm) "Pobeda" with an unauthorized passenger on board, the intoxicated pilot lost control of the aircraft that lost height and crashed upside down in a field some 3 km from the airstrip. Both pilot and passenger were killed. At the time of the accident, the pilot had a alcohol level of 1,1‰ in blood.
Probable cause:
Intoxicated pilot.

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

Date & Time: May 18, 1975
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-70426
Flight Phase:
Flight
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Plain, Valley
MSN:
1G143-05
YOM:
1973
Location:
Birobidzhan
Evreyskaya oblast (Jewish Autonomous 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 flew a steep turn while the aircraft was very low of fuel. In such conditions, air went into the fuel system, causing the engine to flame out. The aircraft crash landed in a field and came to rest. There were no casualties.

Crash of an Antonov AN-2SKh in Tambov

Date & Time: Apr 30, 1975
Type of aircraft:
Antonov AN-2
Operator:
Registration:
CCCP-06444
Flight Phase:
Flight
Flight Type:
Spraying (Agricultural)
Survivors:
Yes
Site:
Plain, Valley
Schedule:
Tambov - Tambov
Location:
Tambov
Tambov oblast
Country:
Russia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
During a crop spraying flight in the Tambov region, the pilot-in-command got distracted while flying against the low sun when the aircraft lost height and crashed in a field. The aircraft was damaged beyond repair while both crew members were uninjured.
Probable cause:
Loss of control at low height after the pilot-in-command got distracted from operations.

Crash of a PZL-Mielec AN-2TP in Ogaryovka: 2 killed

Date & Time: Apr 28, 1975 at 0837 LT
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-50512
Flight Phase:
Flight
Flight Type:
Positioning
Survivors:
No
Site:
Plain, Valley
Schedule:
Tula – Novomoskovsk – Moscow-Bykovo
MSN:
1G88-39
YOM:
1967
Location:
Ogaryovka
Tula 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:
6772
Aircraft flight cycles:
12175
Circumstances:
On the leg from Tula to Novomoskovsk of a positioning flight from Tula to Moscow-Bykovo, the crew encountered an unexpected situation and attempted an emergency landing in a field near Ogaryovka (Uzlovaya district of the Tula region) when control was lost. At a speed of 140 km/h, the single engine airplane dove into the ground from a height of some 50-70 metres and was destroyed. Both pilots were killed.
Probable cause:
The cause of the accident could not be determined.

Crash of a PZL-Mielec AN-2TP in Omsk: 13 killed

Date & Time: Apr 15, 1975 at 1233 LT
Type of aircraft:
PZL-Mielec AN-2
Operator:
Registration:
CCCP-70177
Flight Phase:
Takeoff (climb)
Flight Type:
Scheduled Revenue Flight
Survivors:
Yes
Site:
Airport (less than 10 km from airport)
Schedule:
Omsk - Leningradskoe - Kokshetau
MSN:
1G137-51
YOM:
1972
Flight number:
SU454
Location:
Omsk-Intl
Omsk oblast
Country:
Russia
Region:
Asia
Crew on board:
2
Crew fatalities:
Pax on board:
12
Pax fatalities:
Other fatalities:
Total fatalities:
13
Aircraft flight hours:
1846
Aircraft flight cycles:
2065
Circumstances:
Shortly after takeoff from Omsk Airport, while climbing to a height of 10 meters, the pilot-in-command encountered an unexpected situation and reduced the engine power, apparently to attempt an emergency landing. The airplane banked left then stalled and crashed inverted in flames in a field located 128 meters to the left of the runway and about 180 meters past its end. Two passengers and the copilot were seriously injured while 11 other occupants were killed. A day later, both passengers who survived died from their injuries.
Probable cause:
At Omsk Airport, strong winds forced a local technicians team to lock the aircraft rudder while parked on apron. Following negligences on part of the crew, takeoff was initiated with a locked rudder. The following findings were reported:
- The technicians failed to report to the crew that the rudder has been locked by ground personnel,
- The crew failed to follow the pre-takeoff checklist,
- The crew failed to conduct a visual inspection of the airplane prior to takeoff,
- The crew failed to follow the published procedures prior to takeoff,
- The crew failed to proceed to a test of the rudder, ailerons and elevators during the taxi procedure.
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