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Last updated: 18 June 2021
Status:
Datum:donderdag 23 mei 1974
Tijd:22:05
Type:Silhouette image of generic YK40 model; specific model in this crash may look slightly different
Yakovlev Yak-40
Luchtvaartmaatschappij:Aeroflot / Ukraine
Registratie: CCCP-87579
Constructienummer: 9221122
Bouwjaar: 1972
Aantal vlieguren:2367
Aantal vluchten:2068
Motoren: 3 Ivchenko AI-25
Bemanning:slachtoffers: 4 / inzittenden: 4
Passagiers:slachtoffers: 25 / inzittenden: 25
Totaal:slachtoffers: 29 / inzittenden: 29
Schade: Vernield
Gevolgen: Written off (damaged beyond repair)
Plaats:16 km (10 mijl) W of Kiev-Zhulhyany Airport (IEV) (   Oekraïne)
Fase: Nadering (APR)
Soort vlucht:Binnenlandse lijnvlucht
Vliegveld van vertrek:Khmelnitskiy Airport (HMJ/UKLH), Oekraïne
Vliegveld van aankomst:Kiev-Zhulhyany Airport (IEV/UKKK), Oekraïne
Beschrijving:
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.

Bronnen:
» Soviet Transports


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Kaart
Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Khmelnitskiy Airport en Kiev-Zhulhyany Airport bedraagt 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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Yakovlev Yak-40

  • 1136 built
  • 11e ongeval
  • 6e dodelijk ongeval
  • 2e zwaarste ongeval (toen het plaatsvond)
  • 12e zwaarste ongeval (op dit moment)
» safety profile

 Oekraïne
  • 10e zwaarste ongeval (toen het plaatsvond)
  • 18e zwaarste ongeval (op dit moment)
» safety profile