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The aircraft had completed several successful flights during the day. At the completion of a power off descent, the pilot rapidly opened the throttle. The engine began running roughly and then failed completely. During the subsequent glide approach, for a forced landing, the aircraft collided with powerlines which crossed a gully about 350 feet above the ground. One line contacted the pilot's throat, inflicting severe lacerations, and the aircraft descended to the ground out of control. An inspection of the engine did not reveal any defects that could have contributed to the occurrence. This particular type of engine, which has inverted cylinders , floods quickly with rapid advance of the throttle. This flooding with unburnt fuel, swamps the spark plugs causing the engine to fail.

Download Final Report
[ Download PDF: 22KB]
General details
Date: 31 May 1987 Investigation status: Completed 
Time: 1650 approx  
Location:Taylors Arm Investigation type: Occurrence Investigation 
State: New South Wales  
Release date: 20 November 1987  
Report status: Final Occurrence category: Accident 
 Highest injury level: Serious 
Aircraft details
Aircraft manufacturer: Unknown 
Aircraft model: Maxair Drifter XP503 
Aircraft registration: Not registered 
Type of operation: Sports Aviation 
Damage to aircraft: Substantial 
Departure point:Taylors Arm NSW
Departure time:1650 approx
Destination:Taylors Arm NSW
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