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The pilot was mustering over sandstone which was laced with shallow gorges and gullies. After sensing a shudder and engine miss, the pilot elected to carry out an immediate precautionary landing and landed on an outcrop of rock. While still at high RPM, the pilot moved the pedals and cyclic control to ensure that the skids were on a firm footing and tightened the collective friction. However, shortly after he exited the aircraft to inspect the idling engine, the helicopter pitched rearwards and slid off the rock into the gorge.

Download Final Report
[ Download PDF: 22KB]
General details
Date: 14 August 1988 Investigation status: Completed 
Time: 945  
Location:16 km NNE Beswick Investigation type: Occurrence Investigation 
State: Northern Territory  
Release date: 26 October 1988  
Report status: Final Occurrence category: Accident 
 Highest injury level: None 
Aircraft details
Aircraft manufacturer: Robinson Helicopter Co 
Aircraft model: R22 
Aircraft registration: VH-ONE 
Serial number: 628 
Type of operation: Aerial Work 
Sector: Helicopter 
Damage to aircraft: Substantial 
Departure point:16 km N Beswick NT
Departure time:0745
Destination:16 km N Beswick NT
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