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Prior to the commencement of the spraying operation, the pilot carried out an aerial survey of the area noting the position of all wires. On the first run, the aircraft was flown under both sets of wires. When the run in the opposite direction was commenced, the pilot intended flying the helicopter over the first set of lines and under the second set of lines. However, the helicopter collided with the second set of lines and impacted the ground 70 metres beyond the wires. The pilot stated that he had forgotten about the second set of wires and was flying the aircraft higher above the crop than normal. The previous night the pilot had had a disturbed sleep and was probably suffering some fatigue.

Download Final Report
[ Download PDF: 22KB]
General details
Date: 18 September 1985 Investigation status: Completed 
Time: 1220 (Aprx)  
Location:2.5 km NW Kalbah, 40 km SSW of Ipswich Investigation type: Occurrence Investigation 
State: Queensland Occurrence type: Wirestrike 
Release date: 30 September 1985 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-UHB 
Type of operation: Aerial Work 
Damage to aircraft: Substantial 
Departure point:2.5 km NW of Kalbah QLD
Departure time:1220 (Aprx)
Destination:2.5 km NW of Kalbah QLD
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