Investigation number
AO-2011-152
Occurrence date
Location
28 km north east of El Questro
State
Western Australia
Report release date
Report status
Final
Investigation level
Short
Investigation type
Occurrence Investigation
Investigation status
Completed
Aviation occurrence category
Hard landing
Occurrence class
Accident
Highest injury level
None
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 requirements in regard to low rotor RPM avoidance and recovery procedures is under review by the Civil Aviation Safety Authority.
Aircraft Details
Manufacturer
Robinson Helicopter Co
Model
R22
Registration
VH-RKN
Serial number
4003
Operation type
Private
Sector
Helicopter
Departure point
Kununurra, WA
Destination
Kununurra, WA
Damage
Substantial