Aviation safety investigations & reports

Robinson Helicopter Co R22 BETA, VH-HMR

Investigation number:
199803826
Status: Completed
Investigation completed

Summary

This occurrence was investigated in 1998 and a summary report was released. The ATSB received new and significant information about this occurrence in 2004 and initiated further investigation. As a result the ATSB has revised the summary and reissued the report as follows:

The pilot reported that he disembarked from the helicopter, leaving the engine running and the rotors turning, to converse with a stockman. He was returning to the helicopter when he heard the helicopter's engine and main rotor RPM increasing. The pilot attempted to reach the throttle control and was at the right skid before being forced to dive away as the helicopter became airborne. The helicopter flew into the ground about 5 m from its lift off point and was destroyed. There were no injuries. The wind conditions were reported by the pilot as being light and variable.

The pilot reported that he had set the engine throttle to 75%, selected the governor off, and used the cyclic and collective friction to secure the flying controls. The collective was also fitted with a strap to help secure its position but the pilot could not recall if it was deployed. The operator reported that photos taken after the occurrence indicate that the governor was selected on and the collective strap was not deployed. The circumstances of the occurrence are consistent with inadvertent raising of the collective control.

General details
Date: 14 September 1998   Investigation status: Completed  
Time: 1430 hours WST   Investigation phase:  
Location   (show map): Myroodah Station, (ALA)   Investigation type: Occurrence Investigation  
State: Western Australia   Occurrence type: Collision with terrain  
Release date: 28 June 2004   Occurrence class: Operational  
Report status: Final   Occurrence category: Accident  
  Highest injury level: None  

Aircraft details

Aircraft details
Aircraft manufacturer Robinson Helicopter Co  
Aircraft model R22  
Aircraft registration VH-HMR  
Serial number 1022  
Type of operation Aerial Work  
Sector Helicopter  
Damage to aircraft Destroyed  
Departure point Myroodah Station, WA  
Destination Myroodah Station, WA  
Last update 13 May 2014