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On 27 November 2011, a Robinson Helicopter R22 Beta II, registered VH-RKN, departed Kununurra, Western Australia on a private flight.  The pilot was the sole occupant of the helicopter.

Whilst manoeuvring for a landing the low rotor RPM light and horn activated.  The pilot was unable to recover the rotor RPM nor arrest the rate of descent and the helicopter landed heavily and sustained serious damage, however the pilot was uninjured.

Robinson Helicopter Company has identified low rotor RPM as a significant factor in helicopter accidents.  The training requirement's in regard to low rotor RPM avoidance and recovery procedures is under review by the Civil Aviation Safety Authority.

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General details
Date: 27 November 2011 Investigation status: Completed 
Time: 1200 WST  
Location   (show map):28 km north east of El Questro Investigation type: Occurrence Investigation 
State: Western Australia Occurrence type: Hard landing 
Release date: 14 March 2012 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-RKN 
Serial number: 4003 
Type of operation: Private 
Sector: Helicopter 
Damage to aircraft: Serious 
Departure point:Kununurra, WA
Destination:Kununurra, WA
 
 
 
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Last update 01 March 2016