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The pilot was spraying a crop of potatoes. The rows in the paddock ran north-south and there was a powerline running from just outside the paddock at the south-western corner to about one swath width inside the paddock at the north-western corner. Spraying of the bulk of the paddock had been completed, with runs aligned with the rows. The runs were shortened on the western edge to avoid flying under the powerline. There was an easterly drift in the breeze, which the pilot assessed as 2 to 3 knots. He started a cleanup run along the western edge tracking from north to south, intending to use the drift to carry the spray under the wires into the corner of the paddock. The pilot selected an aiming point at the far end of the paddock so that the helicopter would fly parallel to the powerline. During the run the helicopter became entangled in the wires and crashed before catching fire. The pilot had made no allowance for drift in selecting the aiming point. This accident was not the subject of an on-site investigation and information on the occurrence was provided by the pilot.

Download Final Report
[ Download PDF: 22KB]
General details
Date: 06 April 1989 Investigation status: Completed 
Time: 810  
Location:Clintonvale (18 km N of Warwick) Investigation type: Occurrence Investigation 
State: Queensland Occurrence type: Wirestrike 
Release date: 28 June 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-PYH 
Serial number: 5187 
Type of operation: Aerial Work 
Damage to aircraft: Destroyed 
Departure point:Clintonvale QLD
Departure time:0800
Destination:Clintonvale QLD
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