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Towards the end of a spraying run the pilot noticed that the aircraft was drifting towards a power line running roughly parallel to the aircraft track. He attempted to counter the drift but the aircraft moved underneath the wire. The main rotor struck the line as the pilot attempted to manoeuvre clear and also avoid trees at the end of the spraying run. After striking the wire the helicopter swung through 180 degrees and the tail boom collided with a tree. Although the pilot had gained considerable experience on helicopters, most of this had been obtained cattle mustering. He evidently did not realise that a hazardous situation was developing in time to take safe avoiding action.

Download Final Report
[ Download PDF: 22KB]
General details
Date: 26 September 1984 Investigation status: Completed 
Time: 1100  
Location:4 km NE of Galong Investigation type: Occurrence Investigation 
State: New South Wales Occurrence type: Wirestrike 
Release date: 17 December 1984 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-ECK 
Type of operation: Aerial Work 
Damage to aircraft: Substantial 
Departure point:4 km NE of Galong NSW
Departure time:1100
Destination:4 km NE of Galong NSW
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Last update 13 May 2014