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The student was receiving instruction in autorotative techniques. The crew completed several autorotative descents terminating in power recoveries. The instructor then demonstrated an autorotation during initial climb at 50 knots, simulating an engine failure after take off. The helicopter was levelled and throttle and collective applied, but the instructor was unable to arrest the rate of descent and the helicopter landed heavily. Following a bounce, the left skid dug into the ground and the helicopter cartwheeled before coming to rest upright, facing in the reciprocal direction to the landing. The instructor commenced the practice autorotation after take off at too low a height/speed configuration. Despite the use of power, he was unable to reduce the excessive sink rate prior to ground impact.

Download Final Report
[ Download PDF: 22KB]
 
 
 
 
General details
Date: 08 January 1988 Investigation status: Completed 
Time: 1440 Investigation type: Occurrence Investigation 
Location:Hoxton Park  
State: New South Wales  
Release date: 08 April 1988 Occurrence category: Accident 
Report status: Final Highest injury level: None 
 
Aircraft details
Aircraft manufacturer: Robinson Helicopter Co 
Aircraft model: R22 
Aircraft registration: VH-CIU 
Serial number: 219 
Type of operation: Flying Training 
Sector: Helicopter 
Damage to aircraft: Destroyed 
Departure point:Bankstown NSW
Departure time:1410
Destination:Hoxton Park NSW
 
 
 
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