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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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