Plane crash AN-32 in the Chernihiv region. 1989
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Plane crash AN-32 in the Chernihiv region. 1989

An-32 air crash of the Moscow JSC MAP USSR in the Chernigov region.

· Date of the crash: 28.09.1989

· Time of the crash: 20:08

· Country of the crash: the USSR

· Location of the crash: Ukrainian SSR, Chernigov region, 15 km from Semyonovka

· aircraft Brand: An-32

· Registration of aircraft: CCCP48095

· Name of air carrier: MAP USSR, Moscow OAO

Chronology of events:

Producing customized flight crew to transport missiles "air-air" aircraft from the airfield Fighter Regiment in Moscow, in order to carry out maintenance work at the factory. The commander served in this type of aircraft first solo flight. In 35 minute flight at night on the echelon held spontaneous off the autopilot, which was accompanied by an audible alarm. The crew found and turned off automatic traction.

On echelon m 7500 1 hour later 43 minute flight took off again autopilot is not accompanied by a sound alarm. Create an emergency there was no evidence the crew of 40 seconds. At this time, the bank began to develop in the future due to the transition of the aircraft in a deep spiral mode with the rapid acceleration of the restrictions that were set to destroy and velocity head on off-design loads in flight. The fuselage fell into the swamp and leave the funnel, which reached a depth of 7 m.

Data on victims:

· A total of 9 people were on board: 5 crew members and 4 passengers. A total of 9 people died: crew members 5, passengers 4.

Details of the crash:

· Flight Stage: Horizontal (cruising) flight

· Identified causes of the crash: crew error, equipment failure

Data on the plane:

· Aircraft make: An-32

· Airplane ID: CCCP48095

· Country in which the aircraft was registered: USSR

· Aircraft production date: 25.08.1988

· Aircraft serial number :: 1705

· Aircraft operating hours: 382

· Aircraft operating cycles: 209

Flight data:

· Flight type: Cargo

· Aviation company: MAP USSR, Moscow OJSC

· Country in which the aviation company was registered: USSR

· Flew from: Mukachevo

· Flew to: Moscow (Domodedovo)

· Original item: Mukachevo

· Final point: Moscow (Domodedovo)

details

The findings, which investigated plane crash

Aviation accident occurred as a result of the rudders off the autopilot, unnoticed by the crew during the flight at flight level and in view of non-intervention in 40 sek.v for control of the aircraft, causing the plane shift mode deep spiral with the rapid acceleration of the restrictions that were set by the destruction and the velocity head from the off-design loads in flight.

Possible reasons for disabling autopilot steering wheels were:

- Unintentional pressing the autopilot disconnect rudders one of the crew members;

- Denial of circuits autopilot control of one of the switches.

Long delay action against pilots in control of the aircraft after switching off the autopilot to determine a combination of adverse factors:

- lack of control over the flight characteristics due to poor interaction in the crew;

- Failure on the aircraft AN-32 safety requirements for ensuring a reliable variable speed alarm turned off the autopilot and limiting banks that the crew did not give timely information on the development of the particular situation.

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