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As the aircraft was making an approach into a confined area, it was struck by a local wind condition known as "willy willy". The aircraft began to rotate in a clockwise direction and the pilot was unable to obtain a response from any of the controls. The aircraft touched down heavily, causing damage to the right hand skid and the tail rotor.

Download Final Report
[ Download PDF: 22KB]
General details
Date: 08 October 1989 Investigation status: Completed 
Time: 1530  
Location:Sandstone Investigation type: Occurrence Investigation 
State: Western Australia Occurrence type: Loss of control 
Release date: 24 January 1990 Occurrence class: Operational 
Report status: Final Occurrence category: Accident 
 Highest injury level: None 
Aircraft details
Aircraft manufacturer: Hiller Aviation 
Aircraft model: UH-12 
Aircraft registration: VH-FBX 
Serial number: 5105 
Type of operation: Charter 
Damage to aircraft: Substantial 
Departure point:Sandstone WA
Departure time:N/A
Destination:Sandstone WA
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