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The pilot was competing in the Hinkler Bi-Centennial Air Race. Earlier in the day the aircraft had made a forced landing near Roma due to a propeller oil seal failure. Following repairs by the owner/pilot the aircraft departed Roma for Charleville. At approximately 1740 hours the pilot made a PAN call and advised he was shutting the engine down due to another propeller oil seal failure. During the subsequent forced landing the pilot had to swing the aircraft left to avoid a tree. The aircraft hit an anthill, causing the landing gear to collapse. The pilot received facial lacerations. Investigation revealed that the moulded leather propeller seal had failed in the area of the moulding. It could not be determined if the second propeller seal failure was associated with the change of the seal following the first propeller seal failure. This accident was not the subject of an on-scene investigation.

Download Final Report
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General details
Date: 23 April 1988 Investigation status: Completed 
Time: 1740  
Location:Sommariva - 35 km East of Charleville Investigation type: Occurrence Investigation 
State: Queensland Occurrence type: Propeller/rotor malfunction 
Release date: 10 January 1989 Occurrence class: Technical 
Report status: Final Occurrence category: Accident 
 Highest injury level: Minor 
Aircraft details
Aircraft manufacturer: Beech Aircraft Corp 
Aircraft model: 17 
Aircraft registration: VH-BBL 
Serial number: 67755 
Type of operation: Private 
Damage to aircraft: Substantial 
Departure point:Roma QLD
Departure time:N/A
Destination:Charleville QLD
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