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Last updated: 18 June 2021
Datum:Donnerstag 23 Mai 1974
Flugzeugtyp:Silhouette image of generic YK40 model; specific model in this crash may look slightly different
Jakowlew Yak-40
Fluggesellschaft:Aeroflot / Ukraine
Kennzeichen: CCCP-87579
Werknummer: 9221122
Baujahr: 1972
Anzahl Zyklen der Zelle:2068
Triebwerk: 3 Ivchenko AI-25
Besatzung:Todesopfer: 4 / Insassen: 4
Fluggäste:Todesopfer: 25 / Insassen: 25
Gesamt:Todesopfer: 29 / Insassen: 29
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:16 km (10 Meilen) W of Kiev-Zhulhyany Airport (IEV) (   Ukraine)
Flugphase: Annäherung (APR)
Betriebsart:Inländischer planmäßiger Passagierflug
Flug von:Khmelnitskiy Airport (HMJ/UKLH), Ukraine
Flug nach:Kiev-Zhulhyany Airport (IEV/UKKK), Ukraine
The Yakovlev Yak-40 operated on a domestic flight within the Soviet Union from Leningrad to Kirovograd with en route stops at Khmelnitskiy and Kiev.
During the descent and approach to Kiev, the flight crew likely became incapacitated by carbon monoxide. Several check list items were not accomplished, among others setting the barometric altimeter to airfield pressure. The flight crew commenced the final approach prematurely and the aircraft impacted terrain on a tank training range near Gorenychi at a speed of 420 km/h and a vertical speed of 3 m/s.

Probable Cause:

Probable cause: The likely cause of the disaster may be the loss of crew performance due to exposure to carbon monoxide and other toxic components. This led to the failure to perform a number of operations during the descent, including the failure to establish the barometric pressure of the aerodrome, which was also facilitated by the “overlap” in the communication of the controller with the crew. The result was a premature descent in the aircraft and its collision with the ground.

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This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Khmelnitskiy Airport to Kiev-Zhulhyany Airport as the crow flies is 275 km (172 miles).
Accident location: Approximate; accuracy within a few kilometers.

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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