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Last updated: 12 July 2020
Status:
Datum:vrijdag 25 mei 1984
Tijd:18:34
Type:Silhouette image of generic T134 model; specific model in this crash may look slightly different
Tupolev Tu-134Sh2
Luchtvaartmaatschappij:Soviet Air Force
Registratie: 02
Constructienummer: 2350202
Bouwjaar: 1972
Aantal vlieguren:3173
Aantal vluchten:2370
Bemanning:slachtoffers: 6 / inzittenden: 6
Passagiers:slachtoffers: 1 / inzittenden: 1
Totaal:slachtoffers: 7 / inzittenden: 7
Schade: Afgeschreven
Gevolgen: Written off (damaged beyond repair)
Plaats:nabij Donetsk (   Oekra´ne)
Fase: Kruisvlucht (ENR)
Soort vlucht:Militair
Vliegveld van vertrek:Zhdanov Airport (MPW/UKCM), Oekra´ne
Vliegveld van aankomst:Voroshilovgrad Airport (VSG/UKCW), Oekra´ne
Beschrijving:
The Tu-134 jet was attached to the Voroshilovgrad Higher Military Aviation School of Navigators and operated on a flight from Zhdanov (now Mariupol) to Voroshilovgrad (now Lugansk). The school's commander was on board as a passenger.
Twelve minutes after takeoff, at height of 4200 m, strong oscillations in pitch and a roll occurred. The plane suffered big vertical and lateral loadings and descended to 2750 m. After 38 seconds it disintegrated in mid-air.
During repairs at a military maintenance facility, two wires on the electrical circuit of the back-up yaw damper had been cross-wired. The main yaw-damper performed uneventful. On the accident flight however the plane passed through a zone of strong turbulence. The back-up yaw damper then kicked in, sending wrong commands to the elevator and the ailerons.

Bronnen:
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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 Zhdanov Airport en Voroshilovgrad Airport bedraagt 206 km (129 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 Networkĺs 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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