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The pilot stated that while in the cruise at 3500 feet, approximately ten minutes after take off, the engine began to lose power and run roughly. Remembering that he had flown over a cleared area a short time before, the pilot elected to attempt to return to this clearing. During the descent he noticed that even with the throttle closed a rough vibration was being transmitted through the airframe. A decision was then taken to make a power-off landing. Approximately ten metres into the landing roll the right main wheel assembly separated from the strut when it impacted a small gully. The aircraft then came to halt without further incident. The investigation revealed that the piston assembly in the number five cylinder had failed due to prolonged and severe detonation. The exact cause of the detonation was not determined.

Download Final Report
[ Download PDF: 22KB]
 
 
 
 
General details
Date: 28 November 1990 Investigation status: Completed 
Time: 1110 Investigation type: Occurrence Investigation 
Location   (show map):30 km East of Mainoru  
State: Northern Territory  
Release date: 11 June 1991 Occurrence category: Accident 
Report status: Final Highest injury level: None 
 
Aircraft details
Aircraft manufacturer: Cessna Aircraft Company 
Aircraft model: 182 
Aircraft registration: VH-UMR 
Serial number: 18265822 
Type of operation: Air Transport Low Capacity 
Damage to aircraft: Substantial 
Departure point:Bulman NT
Departure time:N/A
Destination:Urapunga NT
 
 
 
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