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Last updated: 6 December 2021
Status:
Datum:zaterdag 6 januari 1968
Tijd:18:27
Type:Silhouette image of generic AN24 model; specific model in this crash may look slightly different
Antonov An-24B
Luchtvaartmaatschappij:Aeroflot, Yakutsk Civil Aviation Directorate
Registratie: CCCP-47733
Constructienummer: 69901001
Bouwjaar: 1966
Aantal vlieguren:1543
Aantal vluchten:1083
Bemanning:slachtoffers: 6 / inzittenden: 6
Passagiers:slachtoffers: 39 / inzittenden: 39
Totaal:slachtoffers: 45 / inzittenden: 45
Schade: Vernield
Gevolgen: Written off (damaged beyond repair)
Plaats:92 km (57.5 mijl) W of Olyokminsk (   Rusland)
Fase: Kruisvlucht (ENR)
Soort vlucht:Binnenlandse lijnvlucht
Vliegveld van vertrek:Olyokminsk Airport (OLZ/UEMO), Rusland
Vliegveld van aankomst:Lensk Airport (ULK/UERL), Rusland
Vluchtnummer:1668
Beschrijving:
Aeroflot flight 1668, an Antonov An-24B, performed a regular flight from Yakutsk to Novosibirsk intermediate stops in Olyokminsk, Lensk, Ust-Kut and Krasnoyarsk. In Olyokminsk, the flight landed at 17:50 and took off at 18:10.
At 18:20 the crew reported that the assigned flight level of 4500 m had been reached. Weather conditions along the route were favorable. At 18:28 the aircraft disappeared from the controller's radar screen.
It was found to have crashed and broken up in the taiga, 92 km from Olyokminsk.

Probable Cause:

Presumable causes of the crash are:
1) due to unexplained circumstances, the aircraft went into flight modes that significantly exceed the maximum speed and overload limits;
2) separation from the aircraft of any part or parts, the impact of which caused the destruction of structural elements, presumably in the tail section;
3) a complex failure in the propeller-regulator-engine system, which led to a a loss of control with the subsequent destruction of the aircraft structure;
4) any failure in the aircraft control system.

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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 Olyokminsk Airport en Lensk Airport bedraagt 308 km (193 miles).
Accident location: Global; accuracy within tens or hundreds of 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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Antonov An-24

  • 1332 built
  • 10e ongeval
  • 4e dodelijk ongeval
  • The zwaarste ongeval (toen het plaatsvond)
  • 16e zwaarste ongeval (op dit moment)
» safety profile

 Rusland
  • 9e zwaarste ongeval (toen het plaatsvond)
  • 56e zwaarste ongeval (op dit moment)
» safety profile