Aviation safety investigations & reports

Hard landing - Robinson R22, VH-RKN, 28 km north east of El Questro, Western Australia, 27 November 2011

Investigation number:
Status: Completed
Investigation completed


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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.

Download Final Report
[Download  PDF: 4.43MB]
Alternate: [Download  PDF: 4.43MB]
General details
Date: 27 November 2011   Investigation status: Completed  
Time: 1200 WST   Investigation level: Short - click for an explanation of investigation levels  
Location   (show map): 28 km north east of El Questro    
State: Western Australia   Occurrence type: Hard landing  
Release date: 14 March 2012   Occurrence category: Accident  
Report status: Final   Highest injury level: None  

Aircraft details

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  
Last update 14 November 2018