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Following the fitment of shock absorbers to the landing gear system, the owner arranged for the designer of the aircraft to carry out a test flight. At the completion of the test flight, when the aircraft was at about 100 feet agl on the downwind leg of the circuit, the pilot heard a loud bang. He closed the throttle and landed the aircraft. The aircraft overran the strip and the nose gear failed when it contacted rough ground. Examination of the aircraft revealed that one blade of the propeller had failed in tension overload due to overspeeding. The overspeeding was caused by the inadequate pitch of the propeller blade for the type of engine used to power the aircraft.

Download Final Report
[ Download PDF: 22KB]
General details
Date: 15 April 1984 Investigation status: Completed 
Time: 1015 Approx  
Location:Jacob's Well, 50 km SE of Brisbane Investigation type: Occurrence Investigation 
State: Queensland Occurrence type: Propeller/rotor malfunction 
Release date: 23 January 1985 Occurrence class: Technical 
Report status: Final Occurrence category: Accident 
 Highest injury level: None 
Aircraft details
Aircraft manufacturer: Col Winton 
Aircraft model: Winton "Sportsman" 
Type of operation: Flying Training 
Damage to aircraft: Substantial 
Departure point:Jacob's Well QLD
Departure time:1015 Approx
Destination:Jacob's Well QLD
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Last update 13 May 2014