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Last updated: 15 October 2021
Statuts:Enquête Officielle
Date:mardi 18 janvier 2005
Heure:15:12
Type/Sous-type:Silhouette image of generic BE20 model; specific model in this crash may look slightly different
Beechcraft B200 Super King Air
Compagnie:Network Aviation Australia
Immatriculation: VH-SGT
Numéro de série: BB-73
Année de Fabrication: 1975
Moteurs: 2 Pratt & Whitney Canada PT6A-41
Equipage:victimes: 0 / à bord: 1
Passagers:victimes: 0 / à bord: 7
Total:victimes: 0 / à bord: 8
Dégats de l'appareil: Substantiels
Conséquences: Repaired
Lieu de l'accident:Perth Airport, WA (PER) (   Australie)
Phase de vol: A l'atterrissage (LDG)
Nature:Charter National
Aéroport de départ:Perth Airport, WA (PER/YPPH), Australie
Aéroport de destination:Lake Johnston Airport, WA (YLJN), Australie
Détails:
A Beech B200 Super King Air aircraft, registered VH-SGT, sustained damage when its main landing gear collapsed on touch down on runway 24 at Perth Airport, Australia. The aircraft had earlier departed the aerodrome on a charter flight with one pilot and seven passengers on board.
The pilot had elected to return to the airport after detecting a problem during the retraction of the aircraft's landing gear. He attempted to manually extend the landing gear, but was unable to confirm that the landing gear had locked in position for the subsequent precautionary landing. The main landing gear collapsed as the aircraft touched down.
Examination of the aircraft landing gear by the aircraft operator revealed an incorrectly installed thrust bearing in the hydraulic actuator for the left main landing gear. The result was that the axial loads normally carried by the thrust bearing were transferred to the actuator's pinion gears which fractured under abnormal operational loads. That damage seized the actuator and prevented the manual extension of the aircraft's landing gear by the pilot.



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Plan
Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Perth Airport, WA et Lake Johnston Airport, WA est de 433 km (270 miles).
Accident location: Approximate; accuracy within a few kilometers.

Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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