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The pilot had been advised that the aircraft propeller was defective and he indicated to witnesses that he intended only to conduct taxying. However, the aircraft was seen to become airborne and start to fly a circuit. On base leg the engine noise grew louder and the aircraft fell to the ground with the rotor stationary. Wreckage examination revealed that part of the propeller had separated in flight and the remaining propeller section had impacted the rotor following failure of the engine mounts due to excessive vibration.

Download Final Report
[ Download PDF: 22KB]
General details
Date: 06 January 1985 Investigation status: Completed 
Time: 1232 (Apprx)  
Location:Penfield, VIC. Investigation type: Occurrence Investigation 
State: Victoria Occurrence type: Propeller/rotor malfunction 
Release date: 20 May 1985 Occurrence class: Technical 
Report status: Final Occurrence category: Accident 
 Highest injury level: Fatal 
Aircraft details
Aircraft manufacturer: Unknown 
Aircraft model: Benson B-8M Gyrocopter 
Aircraft registration: N/A 
Type of operation: Unknown 
Damage to aircraft: Destroyed 
Departure point:Penfield, VIC.
Departure time:1232 (Apprx)
Destination:Penfield, VIC.
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