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Crash of a PZL-Mielec AN-2 in Kashin: 15 killed

Date & Time: Sep 4, 1973 at 0827 LT
Type of aircraft:
Operator:
Registration:
CCCP-01616
Survivors:
No
Schedule:
Tver - Kashin
MSN:
1G82-10
YOM:
1969
Country:
Region:
Crew on board:
3
Crew fatalities:
Pax on board:
12
Pax fatalities:
Other fatalities:
Total fatalities:
15
Circumstances:
The single engine airplane departed Kalinin (Tver) at 0747LT on a flight to Kashin. Few minutes later, while cruising at an altitude of 450 meters, the crew was informed about the weather conditions at destination : low clouds, mist and visibility limited to 1,500 meters. In such conditions, ATC advised the crew to divert to the alternate airport located in Kalyazin, about 20 km southeast of Kashin. At 0815LT, the crew obtained a second weather bulletin but the conditions did not improve. Despite the situation, the captain decided to continue to Kashin. While flying in poor visibility at a height of 85 meters, the airplane struck a TV antenna (101 meters high) located few km from Kashin, dove into the ground and crashed in flames. The aircraft was totally destroyed and all 15 occupants have been killed.
Probable cause:
Failure of the crew to divert to the alternate airport and the wrong decision of the captain to continue to Kashin in below-minima weather conditions.

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

Date & Time: Aug 30, 1973
Type of aircraft:
Operator:
Registration:
CCCP-09649
Flight Phase:
Survivors:
Yes
MSN:
1G75-33
YOM:
1966
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
For undetermined reason, the pilot was flying too low when the aircraft hit the ground and crashed. There were no casualties but the aircraft was written off.

Crash of a PZL-Mielec AN-2 on Mt Salatau: 8 killed

Date & Time: Aug 29, 1973 at 1021 LT
Type of aircraft:
Operator:
Registration:
CCCP-01794
Flight Phase:
Survivors:
Yes
Site:
Schedule:
Khasavyurt – Botlikh – Makhachkala
MSN:
1G107-41
YOM:
1968
Country:
Region:
Crew on board:
2
Crew fatalities:
Pax on board:
12
Pax fatalities:
Other fatalities:
Total fatalities:
8
Aircraft flight hours:
2646
Aircraft flight cycles:
4464
Circumstances:
The single engine airplane departed Khasavyurt Airport at 0958LT on flight SU116 to Makhachkala with an intermediate stop in Botlikh. About 10 minutes later, while flying at an altitude of 1,300 - 1,500 meters, the airplane flew into clouds. Despite a limited visibility, the crew decided to continue, increased altitude and was able to distinguish the Ashu River, an affluent of the Sulak River. Nevertheless, few minutes later, while cruising at an altitude of 2,400 meters and at a speed of 160 - 170 km/h, the airplane struck the slope of Mt Salatau (2,713 meters high) located 43 km southeast of Khasavyurt. Six passengers were injured while eight other occupants were killed.
Probable cause:
Controlled flight into terrain. The crew decided to continue under VFR mode in clouds and failed to return to Khasavyurt Airport.

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

Date & Time: Aug 29, 1973
Type of aircraft:
Operator:
Registration:
CCCP-28954
Flight Phase:
Survivors:
Yes
MSN:
1G09-14
YOM:
1961
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
En route in the Irkutsk region, while flying at a too low altitude, the aircraft crashed near Nerkha, south of Nizhneudinsk. There were no casualties.

Crash of an Antonov AN-24B in Baku: 56 killed

Date & Time: Aug 18, 1973 at 1851 LT
Type of aircraft:
Operator:
Registration:
CCCP-46435
Flight Phase:
Survivors:
Yes
Schedule:
Baku - Shevshenko
MSN:
87304305
YOM:
1968
Flight number:
A-13
Country:
Region:
Crew on board:
4
Crew fatalities:
Pax on board:
60
Pax fatalities:
Other fatalities:
Total fatalities:
56
Aircraft flight hours:
7374
Aircraft flight cycles:
5502
Circumstances:
Following a normal takeoff roll, the crew started the rotation at a speed of 220 km/h. Five second after liftoff, while climbing to a height of 10 meters, the left engine failed. The left propeller was automatically feathered and the crew continued to climb. 34 seconds after takeoff, the airplane was at an altitude of 30 meters at a speed of 230 km/h when the crew retracted the flaps. Six seconds later, at a height of 40 meters and a speed of 227 km/h, the pilot-in-command initiated a left turn when the airplane drifted to the left. It lost speed then stalled and crashed in flames on a pipeline owned by the Neftyanyye Kamni Oil Company. Two crew members and 54 passengers were killed while eight other occupants were injured.
Probable cause:
It was determined that several blades on the first stage of the turbine have disintegrated due to a reduction of their mechanical properties due to a previous overheating, probably beyond 1,150°. Nevertheless, it was not possible to establish the exact cause of the overheating of the blades and to define the period when this occurred.

Crash of a PZL-Mielec AN-2V in Bysyttakh

Date & Time: Aug 16, 1973
Type of aircraft:
Operator:
Registration:
CCCP-41373
Flight Phase:
Survivors:
Yes
MSN:
1G66-08
YOM:
1966
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
For unknown reason, the pilot was flying too low when the airplane hit the left bank of the Kotui River and crashed near the mouth of the Bysyttakh River. There were no casualties.
Photo: http://radikal.ru/lfp/i021.radikal.ru/1209/e4/dbe65f6ccfa6.jpg/htm

Crash of a Yakovlev Yak-40 in Arkhangelsk: 1 killed

Date & Time: Aug 8, 1973 at 1557 LT
Type of aircraft:
Operator:
Registration:
CCCP-87790
Flight Phase:
Survivors:
Yes
Schedule:
Arkhangelsk - Kotlas
MSN:
9 04 05 15
YOM:
1970
Flight number:
A-547
Country:
Region:
Crew on board:
3
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
29
Aircraft flight hours:
2171
Aircraft flight cycles:
2455
Circumstances:
During the takeoff roll at Arkhangelsk-Talagi Airport, at a speed of 160 km/h, the captain started the rotation but the airplane failed to rotate. The pilot failed to abort and asked the copilot to detect the reason of the problem when, after a course of 2,250 meters, the airplane overran the runway. It rolled in bushes on a distance of 314 meters then struck the localizer antenna and a small building located 116 meters further. Out of control, the airplane continued on a distance of 55 meters and collided with a concrete pillar before coming to rest in flames. The copilot was killed, the captain and the flight engineer as well as 11 passengers were injured, the others 17 occupants were unhurt. The aircraft was destroyed by impact forces and a post crash fire.
Probable cause:
It was determined that an electrical problem from an unknown source occurred on the elevators locking system, causing the elevators to be jammed during the takeoff procedure. The reaction of the captain was inadequate as he failed to abandon the takeoff manoeuvre when the problem was detected.

Crash of PZL-Mielec AN-2R near Chumikan

Date & Time: Aug 2, 1973
Type of aircraft:
Operator:
Registration:
CCCP-33242
Flight Phase:
Survivors:
Yes
MSN:
1G57-45
YOM:
1965
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
En route, the engine failed, forcing the pilot to attempt an emergency landing. The aircraft was damaged beyond repair but there were no casualties.
Probable cause:
Engine failure.

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

Date & Time: Aug 2, 1973
Type of aircraft:
Operator:
Registration:
CCCP-70807
Survivors:
Yes
MSN:
1G133-10
YOM:
1971
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
For unknown reason, the single engine landed hard and suffered heavy structural damages. There were no casualties but the aircraft was written off.

Crash of an Antonov AN-2 near Stavropol

Date & Time: Jul 31, 1973
Type of aircraft:
Operator:
Registration:
CCCP-98233
Flight Phase:
Survivors:
Yes
MSN:
1 98 473 11
YOM:
1958
Country:
Region:
Crew on board:
0
Crew fatalities:
Pax on board:
0
Pax fatalities:
Other fatalities:
Total fatalities:
0
Circumstances:
While taking off from a dusty terrain, the visibility was very limited due to dust when the airplane struck a car and crashed. There were no casualties.