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About 10 minutes after departing Bankstown for a local flight, the pilot noticed a reduction in engine RPM. Believing the throttle friction had become loose, he increased the throttle setting and tightened the friction. Soon after, the RPM again decreased so the pilot commenced to turn back towards the airport. During the turn the engine oil pressure indication decreased to zero. The pilot advised the tower of the problem, and of his intention to land on an abandoned airstrip. The engine was shut down after it began to vibrate, and the pilot informed the tower that a forced landing would be carried out in a field. During the subsequent landing the nosewheel entered a drain and the aircraft overturned. Investigation later revealed that a connecting rod bolt had failed, resulting in a loss of oil pressure and subsequent engine failure.
Download Final Report
[ Download PDF: 12KB]
General details
Date: 24 May 1994 Investigation status: Completed 
Time: 14:09 EST  
 Investigation type: Occurrence Investigation 
 Occurrence type: Forced/precautionary landing 
Release date: 17 August 1994  
Report status: Final Occurrence category: Accident 
Aircraft details
Aircraft manufacturer: Cessna Aircraft Company 
Aircraft model: 172M 
Aircraft registration: VH-MHG 
Sector: Piston 
Damage to aircraft: Substantial 
Departure point:Bankstown NSW
Destination:Bankstown NSW
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Last update 21 October 2014