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At the conclusion of a mustering operation, the pilot flew to a neighboring property. He made an approach to a line of the houses at the property but no-one came out to meet the helicopter. He then decided to hover-taxy to a shed some 90 metres away and land. Whilst taxying the helicopter at about 10 knots, the pilot suddenly noticed a three phase power line immediately in front of him, angled at about 30` to his track. He attempted to avoid a collision by initiating a back-up but the mainrotor mast and tailrotor became entangled in the three wires. The bubble was smashed by a flailing wire as the helicopter descended out of control. The ensuing landing was heavy, resulting in a collapsed left skid gear. The helicopter remained substantially upright. The pilot later said that the power poles supporting the span were obscured by trees.

Download Final Report
[ Download PDF: 22KB]
General details
Date: 29 January 1989 Investigation status: Completed 
Time: 1120  
Location:Cooroorah Station (32km North of Blackwater) Investigation type: Occurrence Investigation 
State: Queensland Occurrence type: Wirestrike 
Release date: 16 March 1989 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-HMT 
Serial number: HA 3066 
Type of operation: Aerial Work 
Damage to aircraft: Substantial 
Departure point:Barrain Station QLD
Departure time:1110
Destination:Cooroorah Station QLD
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