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During the take-off run the right gear leg failed. The aircraft had just passed through a soft patch of ground then run over a grass tussock. The severed section of the leg punctured the right wing and dented the tailplane as the aircraft slid to a halt. A subsequent metallurgical examination found that the leg fractured because of the growth to critical size of a fatigue crack. The fatigue had originated in small surface imperfections caused by corrosion pitting.

Download Final Report
[ Download PDF: 22KB]
General details
Date: 17 January 1986 Investigation status: Completed 
Time: 0930 aprx  
Location:8 km NE Coleambally Investigation type: Occurrence Investigation 
State: New South Wales  
Release date: 05 May 1986  
Report status: Final Occurrence category: Accident 
 Highest injury level: None 
Aircraft details
Aircraft manufacturer: Piper Aircraft Corp 
Aircraft model: PA-36 
Aircraft registration: VH-OON 
Type of operation: Aerial Work 
Damage to aircraft: Substantial 
Departure point:8 km NE Coleambally NSW
Departure time:N/A
Destination:8 km NE Coleambally NSW
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