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The pilot reported that during a mustering operation he had descended to tree top height to force out a mob of cattle. He then turned downwind towards some other animals, and increased power. The helicopter did not respond as he had expected and began to lose height. The pilot stated that that there was insufficient room to recover and he guided the helicopter into the only clearing available. The aircraft landed heavily, and the main and tail rotor blades struck trees. The pilot reported that the wind was gusting to 15 knots at the time of the accident. The pilot stated that he did not notice any symptoms of engine malfunction and was unsure if the sink was due to insufficient power or overpitching. No engine defects were evident during examination after the accident. The reaction of the helicopter was most likely due to the combined effects of turning downwind and possible overpitching.

Download Final Report
[ Download PDF: 22KB]
 
 
 
 
General details
Date: 19 April 1989 Investigation status: Completed 
Time: 800 Investigation type: Occurrence Investigation 
Location:15 km WSW of Avon Downs Occurrence type:Collision with terrain 
State: Queensland Occurrence class: Operational 
Release date: 20 June 1989 Occurrence category: Accident 
Report status: Final Highest injury level: None 
 
Aircraft details
Aircraft manufacturer: Bell Helicopter Co 
Aircraft model: 47 
Aircraft registration: VH-ANG 
Serial number: 6558 
Type of operation: Aerial Work 
Sector: Helicopter 
Damage to aircraft: Substantial 
Departure point:Avon Downs QLD
Departure time:0750
Destination:Avon Downs QLD
 
 
 
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