1974 Surgut mid-air collision

1974 Surgut mid-air collision

Accident
Date	1 November 1974 (1974-11-01)
Summary	Mid-air collision
Site	Surgut, Soviet Union
Total fatalities	38
Total survivors	0
First aircraft
An An-2 similar to the one involved in the collision
Type	Antonov An-2
Registration	CCCP-70766
Flight origin	Khanty-Mansiysk Airport
Destination	Surgut International Airport
Passengers	12
Crew	2
Fatalities	14
Survivors	0
Second aircraft
A Mi-8 similar to the one involved in the collision
Type	Mil Mi-8
Registration	CCCP-25686
Flight origin	Surgut International Airport
Passengers	21
Crew	3
Fatalities	24
Survivors	0

On Friday, 1 November 1974, an Antonov An-2 single-engine biplane and a Mil Mi-8 helicopter collided near Surgut airport, killing all 38 people (14 on the airplane and 24 on the helicopter) on board the two aircraft.

Aircraft involved

The An-2 serial number 1G132-21 was registered USSR-70766 and was certified for operation on 4 November 1971. The airframe had a total operating time of 2,591 flight hours with 3,477 landings.

The Mi-8T serial number 3771 was registered USSR-25686 and was certified on 8 June 1973. The total operating time of the helicopter was 1,298 hours with 3,416 landings.

Accident

The An-2 was operating as Flight 662, a passenger service from Khanty-Mansiysk to Surgut and departed at 11:36 Moscow time with 2 crew members and 12 passengers. At 12:54, the Mi-8 took off from Surgut airport, despite the fact that the weather conditions were below its meteorological minimum. The An-2 was approaching Surgut airport on a heading of 253 degrees in instrument meteorological conditions, then turned to a heading of 73 degrees to land. The helicopter was leaving the airport on a heading of 220 degrees and at 12:56:36 (14:56:36 local time), approximately 4.5 kilometres (2.8 mi; 2.4 nmi) southwest of Surgut airport at an altitude of 150 metres (490 ft) the aircraft collided the left wing of the ah-2 collided the rotor spin of the mi-8 the mi-8 destroyed the cabin of the ah-2 collided of the tail of the ah-2 both planes crashed in surgut

Investigation

The main cause of the accident was the unsatisfactory management of the air traffic zone of Surgut airport. In the conditions of poor visibility, approach procedures were violated and dispatchers released and received aircraft despite the fact that meteorological minimums for these types were not met. A contributing factor was the lack of control over the movement of aircraft by radar and poor radio communication.

See also

• Aeroflot accidents and incidents
• Aeroflot accidents and incidents in the 1970s

Others articles of the Topic Soviet Union : Communist Party of Transcaucasia

References

Template:Aviation accidents and incidents in 1974 Template:Aviation accidents and incidents in the Soviet Union

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