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Crash of an Antonov AN-2SKh in Natalinka: 2 killed

Date & Time: Apr 28, 1970 at 1739 LT
Type of aircraft:
Operator:
Registration:
CCCP-15935
Flight Phase:
Survivors:
No
Schedule:
Natalinka - Natalinka
MSN:
1149 473 05
YOM:
1960
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
2
Aircraft flight hours:
6700
Aircraft flight cycles:
12160
Circumstances:
On a crop-spraying flight for the sovkhoz (state farm) 'Nekrasovo' in the Mikhailov district of the Ryazan region, the pilot-in-command initiated a steep left turn at a height of some 20-30 metres in order to avoid collision with a high-voltage powerline. The aircraft lost height, crashed in a field 340 metres from Natalinka, came to rest upside down and caught fire. Both pilots were killed.
Probable cause:
Loss of control while performing a sharp turn at an altitude below 50 meters.

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

Date & Time: Apr 24, 1970
Type of aircraft:
Operator:
Registration:
CCCP-41398
Flight Phase:
Survivors:
Yes
MSN:
1G67-16
YOM:
1966
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Crashed on takeoff from an airfield located in the region of Rostov and was damaged beyond repair. There were no casualties.
Probable cause:
The crew forgot to extend the flaps in an appropriate position for the takeoff procedure, causing the aircraft to stall at liftoff.

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

Date & Time: Apr 20, 1970 at 1015 LT
Type of aircraft:
Operator:
Registration:
CCCP-06333
Flight Phase:
Survivors:
Yes
Schedule:
Kuban - Kuban
MSN:
1G69-07
YOM:
1966
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
2
Pax fatalities:
Other fatalities:
Total fatalities:
2
Copilot / Total flying hours:
422
Aircraft flight hours:
2681
Aircraft flight cycles:
6430
Circumstances:
The crew was engaged in a crop spraying flight on behalf of the sovkhoz of Kuban. Following six successful mission in the morning, the crew embarked two passengers, a member of the farm and an employee of the pesticide company. While cruising at low height, the copilot-in-command initiated a turn to the right when the airplane banked right to 45° then stalled and crashed in a field. The copilot and a passenger were killed while both other occupants were injured.
Probable cause:
The copilot made wrong manoeuvres at low height and lost control of the airplane. It was reported he was relatively inexperienced with a total of 422 flying hours. Also, the crew decided to embark two passengers which was against the published procedures.

Crash of an Avia 14P in Zaporozhie: 7 killed

Date & Time: Apr 4, 1970
Type of aircraft:
Operator:
Registration:
CCCP-52002
Survivors:
Yes
Schedule:
Tbilisi - Rostov-on-Don - Zaporozhie
MSN:
018 602 111
YOM:
1957
Flight number:
SU2903
Country:
Region:
Crew on board:
5
Crew fatalities:
Pax on board:
30
Pax fatalities:
Other fatalities:
Total fatalities:
7
Aircraft flight hours:
21213
Aircraft flight cycles:
22259
Circumstances:
The descent to Zaporozhie Airport was initiated in marginal weather conditions but with a visibility estimated to 4 km, above the minima. On final approach, the airplane was not properly aligned on the glide and the captain failed to follow the instructions transmitted by ATC and the warnings from his navigator. Eventually, while at an altitude of 40 meters, he elected to make a go around, increased engine power and started a turn to the right but it was too late. The airplane struck the ground and crashed in a field located short of runway. A crew member and six passengers were killed while 28 other occupants were injured. The aircraft was destroyed.
Probable cause:
The captain started the approach prematurely, causing the aircraft to descent below the glide at an insufficient altitude. He neglected several procedures, ATC instructions and other crew members warning until the airplane struck the ground and crashed. Poor flight crew coordination and communication was considered as a contributing factor. Weather conditions were marginal with limited visibility but above the minima.

Crash of an Antonov AN-24B near Toguchin: 45 killed

Date & Time: Apr 1, 1970 at 0407 LT
Type of aircraft:
Operator:
Registration:
CCCP-47751
Flight Phase:
Survivors:
No
Schedule:
Novosibirsk - Krasnoyarsk - Bratsk
MSN:
79901204
YOM:
1967
Flight number:
SU1661
Country:
Region:
Crew on board:
5
Crew fatalities:
Pax on board:
40
Pax fatalities:
Other fatalities:
Total fatalities:
45
Aircraft flight hours:
3975
Aircraft flight cycles:
3832
Circumstances:
The aircraft departed Novosibirsk-Tolmachevo Airport at 0342LT and its crew was cleared to climb to 4,200 meters, altitude reached at 0353LT. At this time, the crew was cleared to continue to climb to the assigned altitude of 6,000 meters. Shortly later, while flying at an altitude of 5,400 meters, the airplane collided with a radiosonde weather balloon operated by the Hydrometeorological Service. The balloon struck the windshield and the nose cone and partially destroyed the cockpit. The airplane went out of control, entered a dive and partially disintegrated at the altitude of 2,000 meters before crashing in an open field located 20 km southeast of Toguchin. The airplane struck the ground at a speed of 300 km/h and was totally destroyed. All 45 occupants were killed. Some debris from the nose and the weather balloon were found more than 6 km from the main point of impact. The windshield was not recovered.
Probable cause:
In-flight collision with a radiosonde weather balloon while cruising by night. Apparently, the crew has not been informed about the presence of the weather balloon.

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

Date & Time: Mar 19, 1970 at 1153 LT
Type of aircraft:
Operator:
Registration:
CCCP-25598
Flight Phase:
Survivors:
No
Schedule:
Nikolayevo-Kozlovski - Nikolayevo-Kozlovski
MSN:
1G61-24
YOM:
27
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
2
Aircraft flight hours:
2086
Aircraft flight cycles:
5100
Circumstances:
The crew was completing a crop spraying flight on behalf of the kolkhoz 'Krasny Partizan' located north of Taganrog, in the Rostov oblast, without any ATC authorization. En route, the crew encountered poor weather conditions (below minima) with very low visibility due to thick fog. He suffered a spatial disorientation and lost control of the airplane that crashed in a snow-covered field located some 5,750 metres west of Nikolayevo-Kozlovski, while completing a right turn at low height. Both pilots were killed.
Probable cause:
Loss of control after the crew suffered a spatial disorientation in flight.

Crash of a Lisunov LI-2 in Ust-Kut

Date & Time: Mar 5, 1970
Type of aircraft:
Operator:
Registration:
CCCP-58340
Flight Phase:
Flight Type:
Survivors:
Yes
Country:
Region:
Crew on board:
5
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Shortly after takeoff, during initial climb, the airplane stalled and crashed by the runway. The aircraft was destroyed and all five crew members were injured.
Probable cause:
Loss of control after rotation as the cargo shifted to the rear part of the cabin.

Crash of an Antonov AN-12B in Beryozovo

Date & Time: Feb 26, 1970
Type of aircraft:
Operator:
Registration:
CCCP-12966
Survivors:
Yes
MSN:
9 3 465 01
YOM:
1969
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
Following an approach in a limited visibility due to thick fog, the airplane landed hard and came to rest. There were no casualties but the aircraft was later considered as damaged beyond repair.
Probable cause:
Misjudgement on part of the crew who failed to realize the distance with ground on final approach.

Crash of an Ilyushin II-14M in Ust-Maya: 5 killed

Date & Time: Feb 25, 1970 at 2035 LT
Type of aircraft:
Operator:
Registration:
CCCP-61637
Flight Phase:
Flight Type:
Survivors:
No
Schedule:
Ust-Maya - Yakutsk
MSN:
1460 009 37
YOM:
1956
Country:
Region:
Crew on board:
5
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
5
Circumstances:
On a positioning flight from Ust'-Maya to Yakutsk at night with the center of gravity being out of the envelope (too far forward), the right propeller developed negative thrust (due to a malfunction) shortly after takeoff. The crew was unable to counteract as the altitude was too low and the aircraft crashed in a forest located 1,350 metres behind the runway threshold and 310 metres to the right of the runway extended centerline. All 5 crew members were killed.
Probable cause:
The right propeller developed negative thrust during initial climb.

Crash of an Ilyushin II-18V in Samarkand: 92 killed

Date & Time: Feb 6, 1970 at 1542 LT
Type of aircraft:
Operator:
Registration:
CCCP-75798
Survivors:
Yes
Site:
Schedule:
Tashkent - Samarkand
MSN:
182 0043 03
YOM:
1962
Flight number:
SU045
Country:
Region:
Crew on board:
8
Crew fatalities:
Pax on board:
98
Pax fatalities:
Other fatalities:
Total fatalities:
92
Aircraft flight hours:
12885
Aircraft flight cycles:
4968
Circumstances:
Following an uneventful flight from Tashkent at an altitude of 5,100 meters, the crew was cleared to descent to 2,700 then 2,400 meters. While approaching Samarkand Airport, the crew encountered poor visibility with low clouds. At an altitude of 1,500 meters, in a nose-down attitude of 16° and at a speed of 380 km/h, the airplane struck the slope of a mountain located 32 km northeast of the airport. The copilot and 13 passengers were rescued while 92 other occupants were killed. The aircraft was destroyed upon impact.
Probable cause:
It was determined that the accident was the consequence of the combination of several factors, among them:
- Poor ATC assistance and wrong instructions on part of the approach controller who cleared the crew to descent prematurely as he thought the position of the aircraft was 31 km from airport while it's real position was estimated between 42 and 44 km,
- Lack of visibility due to clouds,
- The flying crew failed to double-check his position after being cleared to descend and continued in clouds.