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The pilot reported that as full power was applied on the take-off run, he heard a loud bang and the aircraft yawed to the right. He shut down the right engine and brought the aircraft to a stop. Initial inspection revealed that the right propeller assembly had failed at the hub. One blade had separated from the hub and struck the nose section of the aircraft. It was determined that the hub had failed from fatigue which had originated at the root of the blade retention thread. It was estimated that the fatigue crack had propagated over about 900 engine start cycles, and had occurred at some time after a regular inspection to check for this type of cracking.

Download Final Report
[ Download PDF: 22KB]
 
 
 
 
General details
Date: 09 November 1987 Investigation status: Completed 
Time: 1527 ESuT Investigation type: Occurrence Investigation 
Location:Brewarrina Occurrence type:Propeller/rotor malfunction 
State: New South Wales Occurrence class: Technical 
Release date: 16 March 1988 Occurrence category: Accident 
Report status: Final Highest injury level: None 
 
Aircraft details
Aircraft manufacturer: Beech Aircraft Corp 
Aircraft model: 95 
Aircraft registration: VH-EHN 
Serial number: TC-1285 
Type of operation: Charter 
Damage to aircraft: Substantial 
Departure point:Brewarrina NSW
Departure time:N/A
Destination:Bourke NSW
 
 
 
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