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Shortly after touchdown the left wing began to drop and the aircraft veered off the runway. It came to rest after colliding with a runway light and a culvert. Inspection revealed that the castellated nut from the left gear torque link pivot bolt was missing. This allowed the lower torque link to rotate with the wheel and separate from the upper torque link. It was evident that a split pin which should have locked the castellated nut had not been in place for a considerable time, thus allowing the nut to work loose. However, the reason the pin was not in place could not be positively established.

Download Final Report
[ Download PDF: 22KB]
 
 
 
 
General details
Date: 17 March 1987 Investigation status: Completed 
Time: 834 Investigation type: Occurrence Investigation 
Location:Armidale  
State: New South Wales  
Release date: 17 July 1987 Occurrence category: Accident 
Report status: Final Highest injury level: None 
 
Aircraft details
Aircraft manufacturer: Piper Aircraft Corp 
Aircraft model: PA-60 
Aircraft registration: VH-NOA 
Type of operation: Charter 
Damage to aircraft: Substantial 
Departure point:Tamworth NSW
Departure time:0834
Destination:Armidale NSW
 
 
 
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