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The aircraft was being flown at about 900 feet above ground level while the pilot spotted horses for a programmed muster. When the pilot attempted to increase engine power, he found that there was no response to throttle movement. Pumping the throttle resulted in a decrease in power to idle. The pilot was unable to correct the situation and selected the best available area for landing. This area was covered with small basalt boulders. On touchdown the left wing struck a small dead tree and the propeller struck the ground before the aircraft came to rest. It took the pilot some time to exit the cabin of the aircraft because the doors had been jammed during impact. An inspection of the aircraft revealed that the outer throttle cable had come loose from the clamp at the carburettor. This allowed power to be reduced but not increased.

Download Final Report
[ Download PDF: 22KB]
General details
Date: 04 June 1986 Investigation status: Completed 
Time: 0946  
Location:10km West of Mt Surprise Investigation type: Occurrence Investigation 
State: Queensland  
Release date: 14 May 1987  
Report status: Final Occurrence category: Accident 
 Highest injury level: None 
Aircraft details
Aircraft manufacturer: Cessna Aircraft Company 
Aircraft model: 172 
Aircraft registration: VH-WYO 
Type of operation: Aerial Work 
Damage to aircraft: Substantial 
Departure point:Mt Surprise QLD
Departure time:0755(Aprx)
Destination:Mt Surprise QLD
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