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Crash of an Antonov AN-12B in Fergana

Date & Time: Dec 15, 1975
Type of aircraft:
Operator:
Registration:
CCCP-11005
Flight Phase:
Survivors:
Yes
MSN:
6 3 439 07
YOM:
1966
Country:
Region:
Crew on board:
6
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
During the takeoff roll, the crew inadvertently retracted the landing gear before rotation. The aircraft sank on its belly and slid for few dozen meters before coming to rest. All six crew members escaped uninjured while the aircraft was damaged beyond repair.
Probable cause:
Premature retraction of the landing gear prior to takeoff.

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

Date & Time: Dec 10, 1975
Type of aircraft:
Operator:
Registration:
CCCP-23691
Flight Phase:
Survivors:
Yes
Site:
MSN:
1G32-24
YOM:
1963
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
While cruising below minima weather conditions, the single engine airplane struck a hill and crashed near Serafimovich. There were no casualties but the aircraft was written off.

Crash of an Antonov AN-24B in Kharkiv: 19 killed

Date & Time: Nov 20, 1975 at 1938 LT
Type of aircraft:
Operator:
Registration:
CCCP-46349
Survivors:
Yes
Site:
Schedule:
Mineralnye Vody - Rostov-on-Don - Kharkiv - Gomel
MSN:
97305708
YOM:
1969
Flight number:
SU7950
Country:
Region:
Crew on board:
4
Crew fatalities:
Pax on board:
46
Pax fatalities:
Other fatalities:
Total fatalities:
19
Aircraft flight hours:
9445
Aircraft flight cycles:
8146
Circumstances:
The crew started the approach to Kharkiv Airport by night and a limited visibility. He was cleared to descend by ATC when, at a speed of 270 km/h, the airplane struck tree tops, stalled and crashed on the slope of a wooded hill located 12 km short of runway threshold. A crew member and 18 passengers were killed while 31 other occupants were injured, some of them seriously. The aircraft was destroyed.
Probable cause:
It was determined that the accident was the consequence of ATC error who transmitted to the crew a wrong barometric pressure of 757 mm instead of 737 mm, causing the aircraft to descend 220 meters too low. The crew was also blamed as he failed to react to the warning horn coupled to the ground proximity warning system that sounded for 23 second prior to impact.

Crash of an Antonov AN-24RV on Mt Apshara: 38 killed

Date & Time: Nov 17, 1975 at 2214 LT
Type of aircraft:
Operator:
Registration:
CCCP-46467
Flight Phase:
Survivors:
No
Site:
Schedule:
Tbilisi - Batumi - Sukhumi - Krasnodar
MSN:
27307905
YOM:
1972
Flight number:
SU6274
Country:
Region:
Crew on board:
5
Crew fatalities:
Pax on board:
33
Pax fatalities:
Other fatalities:
Total fatalities:
38
Aircraft flight hours:
7335
Aircraft flight cycles:
6878
Circumstances:
En route from Batumi to Sukhumi, weather conditions worsened and the crew was cleared to modify his route to avoid the low pressure are to the north. Few minutes later, the crew was cleared to descend to 2,400 meters. While cruising at a speed of 410 km/h in limited visibility due to the night and marginal weather conditions, the airplane struck the south slope of Mt Apshara (2,580 meters high) located about 26 km northeast of Gali, Abkhazia. The wreckage was found few hours later and all 38 occupants have been killed.
Probable cause:
It was determined that the accident was the consequence of a series of negligences and wrong decisions on part of ATC who cleared the crew to descent to an unsafe altitude of 2,400 meters while the minimum safe altitude for the area was 3,600 meters. This was made possible by several errors in the track calculation after the crew has been cleared to avoid the low pressure area but his position was 25 km too far from the prescribed flight path at that moment. The crew failed to take the appropriate measures to know his proper position which was considered as a contributing factor.

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

Date & Time: Nov 13, 1975
Type of aircraft:
Operator:
Registration:
CCCP-49280
Flight Phase:
Survivors:
Yes
Site:
MSN:
1G10-24
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 crew encountered below-minima weather conditions when the aircraft hit a hill and crashed near Nizhneangarsk. There were no casualties but the aircraft was damaged beyond repair.

Crash of a Yakovlev Yak-40 in Novgorod: 11 killed

Date & Time: Oct 22, 1975 at 1653 LT
Type of aircraft:
Operator:
Registration:
CCCP-87458
Survivors:
No
Site:
Schedule:
Syktyvkar – Vologda – Novgorod – Riga
MSN:
9 43 17 36
YOM:
1974
Flight number:
SU098L
Country:
Region:
Crew on board:
4
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
11
Aircraft flight hours:
2002
Aircraft flight cycles:
1500
Circumstances:
The crew encountered poor weather conditions while approaching Novgorod Airport with fog and a visibility below minimums. On final, the crew descended below MDA when the airplane struck the roof of a printing house and crashed in flames on a small residential building (three floors) located three km short of runway. The aircraft and the building were destroyed. All six occupants as well as five people in the building were killed.
Probable cause:
Failure of the crew to adhere to the published procedure while descending below the MDA in below minima visibility. Due to fog, the crew failed to locate the runway but continued the approach instead of initiating a go-around procedure. Weather information transmitted to the crew did not reflect the truth, which was considered as a contributing factor as well as the lack of ATC assistance.

Crash of a Yakovlev Yak-40 in Kirov

Date & Time: Oct 6, 1975
Type of aircraft:
Operator:
Registration:
CCCP-87328
Flight Phase:
Survivors:
Yes
Schedule:
Kirov – Sverdlovsk
MSN:
9 33 07 30
YOM:
1973
Country:
Region:
Crew on board:
4
Crew fatalities:
Pax on board:
28
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
After takeoff, while climbing to a height of 5 meters, the landing gears were retracted when power on all three engines dropped by 70%. The captain decided to land back. The aircraft belly landed, overran, collided with various approach lights and equipments before coming to rest in flames. All 32 occupants were quickly evacuated while the aircraft was destroyed.
Probable cause:
The exact cause of the power reduction could not be determined with certainty. However, the assumption that it may be caused by a wrong manipulation on part of the flight engineer was not ruled out.

Crash of an Antonov AN-2V in Turukhansk: 3 killed

Date & Time: Sep 18, 1975 at 0935 LT
Type of aircraft:
Operator:
Registration:
CCCP-98302
Flight Phase:
Flight Type:
Survivors:
No
Site:
Schedule:
Turukhansk - Munduiskoye Lake
MSN:
1102 473 11
YOM:
1958
Country:
Region:
Crew on board:
3
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
3
Aircraft flight hours:
13759
Aircraft flight cycles:
9937
Circumstances:
On a cargo flight from Turukhansk to Lake Munduiskoye, when flew according to VFR although the weather (low clouds) did not allow for this. The aircraft deviated from the prescribed flight path, entered clouds and crashed at a height of 395 metres into the rocky slope of a hill (410 metres) located some 72 km northwest of Turukhansk which was not indicated on the flight map. All 3 crew were killed.
Probable cause:
The crew continued under VFR mode in adverse weather conditions.

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

Date & Time: Sep 15, 1975 at 0758 LT
Type of aircraft:
Operator:
Registration:
CCCP-35501
Flight Phase:
Survivors:
No
Site:
Schedule:
Beloretsk - Beloretsk
MSN:
113947307
YOM:
1960
Country:
Region:
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:
Operator:
Registration:
CCCP-70506
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Krasnopolye - Mogilev
MSN:
1G144-17
YOM:
1973
Country:
Region:
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.