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At the conclusion of the student's first training exercise the instructor positioned the helicopter in a hover at about 3 feet agl and allowed the student to use the controls. The aircraft was headed into the 25 knot gusty wind when sudden sink was experienced. The student instinctively applied full aft cyclic control and the heel of the right skid dug into the ground as the helicopter moved backwards. The aircraft rolled onto its right side, destroying the main rotor blades and distorting the cabin area. The instructor had allowed the student to attempt an operation beyond the level of his current ability and had been unable to recover control when the sink was experienced.

Download Final Report
[ Download PDF: 22KB]
General details
Date: 12 August 1984 Investigation status: Completed 
Time: About 1500  
Location:Castle Hill Investigation type: Occurrence Investigation 
State: New South Wales Occurrence type: Loss of control 
Release date: 26 March 1985 Occurrence class: Operational 
Report status: Final Occurrence category: Accident 
 Highest injury level: None 
Aircraft details
Aircraft manufacturer: Robinson Helicopter Co 
Aircraft model: R22 
Aircraft registration: VH-UXL 
Type of operation: Flying Training 
Sector: Helicopter 
Damage to aircraft: Substantial 
Departure point:Castle Hill NSW
Departure time:About 1500
Destination:Castle Hill NSW
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Last update 13 May 2014