Aviation safety investigations & reports

Hiller UH12E, VH-FBH, Wyena Station, 37 km NW of Moranbah, QLD, 30 November 1984

Investigation number:
Status: Completed
Investigation completed


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The pilot reported that, shortly after commencing to cruise at about 750 feet agl, the helicopter encountered a willy willy and was thrown almost upside down. During the recovery actions, right pedal was applied rapidly and the operating cable broke. An auto-rotational landing was initiated but, just prior to touchdown, another willy willy struck the helicopter and it landed while spinning under the influence of this disturbance.

Download Final Report
[Download  PDF: 22KB]
General details
Date: 30 November 1984   Investigation status: Completed  
Time: 1328    
Location: Wyena Station, 37 km NW of Moranbah    
State: Queensland    
Release date: 19 December 1984   Occurrence category: Accident  
Report status: Final   Highest injury level: None  

Aircraft details

Aircraft details
Aircraft manufacturer Hiller Aviation  
Aircraft model UH-12  
Aircraft registration VH-FBH  
Type of operation Business  
Damage to aircraft Substantial  
Departure point Wyena Station, QLD  
Departure time 1328  
Destination Broadmeadow Station, 22 km N of Moranbah, QLD  
Last update 01 April 2011