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The pilot, with his wife as passenger, was conducting a bore inspection. A search was instigated when the helicopter did not return by night fall. The wreckage was found the next morning. The helicopter had struck the ground in an inverted attitude amongst trees in a dry swamp. There were no witnesses to the accident. The subsequent investigation concluded that control of the helicopter had been lost at a low height and the helicopter had crashed inverted while the rotor was under positive 'g' flight loads, with little rolling motion. No evidence of pre-accident failure of the helicopter or occupant incapacitation was found. Examination of the wreckage and the surrounding area indicated that the helicopter had struck a tree, by settling into its crown, prior to control being lost. No reason for the descent into the tree could be established. It is probable that, following the tree strike the pilot over-reacted with the collective control and was then unable to regain control of the helicopter in the height available.

Download Final Report
[ Download PDF: 22KB]
 
 
 
 
General details
Date: 10 October 1983 Investigation status: Completed 
Time: N/K Investigation type: Occurrence Investigation 
Location:Longton Stn, 146 km SSW of Charters Towers Occurrence type:Loss of control 
State: Queensland Occurrence class: Operational 
Release date: 12 June 1984 Occurrence category: Accident 
Report status: Final Highest injury level: Fatal 
 
Aircraft details
Aircraft manufacturer: Hiller Aviation 
Aircraft model: UH-12 
Aircraft registration: VH-FFC 
Type of operation: Aerial Work 
Damage to aircraft: Destroyed 
Departure point:9 Mile Dam, Longton Stn
Departure time:N/K
Destination:10 Mile Dam, Longton Stn QLD
 
 
 
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Last update 13 May 2014