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The pilot reported that the aircraft was flying at 50 knots at about 500 feet above the ground when the engine stopped. He pulled the engine start cord and the engine restarted. The aircraft was then climbed to 2000 feet as the pilot was concerned about operating over rough terrain. A short time later, the engine stopped again and rather than attempt another restart, the pilot concentrated on landing the aircraft. Substantial damage resulted from the landing on unsuitable terrain. Examination of the engine revealed that the carburettor was misaligned and that the piston at the magneto end of the engine had failed. The piston exhibited signs of detonation which was probably the result of an overly lean fuel/air mixture. Recent advice from the engine manufacturer included the recommendation that super grade petrol be used instead of unleaded petrol with ehtyl alcohol added. Further, new engines are fitted with a baffle or air guide under the cylinder cowl and have a new carburettor setting. This accident was not the subject of an on-site investigation.

Download Final Report
[ Download PDF: 22KB]
 
 
 
 
General details
Date: 19 July 1988 Investigation status: Completed 
Time: 1200 Investigation type: Occurrence Investigation 
Location:Gooyea Station (85 km NW Adavale)  
State: Queensland  
Release date: 03 February 1989 Occurrence category: Accident 
Report status: Final Highest injury level: None 
 
Aircraft details
Aircraft manufacturer: Unknown 
Aircraft model: Maxair Drifter 
Aircraft registration: Not registered 
Serial number: N/A 
Type of operation: Sports Aviation 
Damage to aircraft: Substantial 
Departure point:Gooyea Station QLD
Departure time:1130
Destination:Gooyea Station QLD
 
 
 
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