Accident Piper PA-36-375 VH-OON, Friday 17 January 1986

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Date:	Friday 17 January 1986
Time:	09:30
Type:	Piper PA-36-375
Owner/operator:
Registration:	VH-OON
MSN:
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	8km NE of Coleambally, NSW - Australia
Phase:	Take off
Nature:	Agricultural
Departure airport:	8km NE of Coleambally, NSW
Destination airport:	8km NE of Coleambally, NSW
Investigating agency:	BASI
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
During the takeoff run, the right gear leg failed. The aircraft had just passed through a soft patch of ground then ran 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.

Accident investigation: