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Whilst cruising at 2000 feet the propeller separated from the engine, damaging the upper starboard wing leading edge. During the ensuing forced landing further damage was sustained to the landing gear and elevator. Investigation revealed the crankshaft had suffered a fatigue failure, causing the propeller to separate from the engine. The pilot reported the crankshaft had been in service for 150 hours and that all recommended modifications had been incorporated.

Download Final Report
[ Download PDF: 22KB]
General details
Date: 02 March 1990 Investigation status: Completed 
Time: 1152  
Location:Smarden, United Kingdom Investigation type: Occurrence Investigation 
State: International  
Release date: 24 May 1991 Occurrence class: Technical 
Report status: Final Occurrence category: Accident 
 Highest injury level: None 
Aircraft details
Aircraft manufacturer: de Havilland Aircraft Pty Ltd 
Aircraft model: DH-82 
Aircraft registration: VH-HPH 
Serial number: 1375 
Type of operation: Private 
Damage to aircraft: Substantial 
Departure point:Binbrook United Kingdom
Departure time:1030
Destination:Lydd United Kingdom
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Last update 11 March 2016