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During mustering operations the pilot landed on two occasions in order to visually check the amount of fuel remaining. Although the second of these checks revealed an estimated endurance of 20 minutes, the pilot elected to carry out a further short mustering task before returning to the refuelling area about 4 kilometres away. While enroute to the refuelling point the engine suddenly stopped. The pilot entered auto-rotation but had to manoeuvre to avoid trees and the aircraft subsequently landed heavily. The investigation revealed that the aircraft was serviceable but the engine had failed due to fuel exhaustion. The last landing to check the fuel quantity was probably made on sloping ground and could account for the overestimation of fuel remaining, although below required reserves, at that time.

Download Final Report
[ Download PDF: 22KB]
General details
Date: 05 March 1985 Investigation status: Completed 
Time: 1015  
Location:Mt Riddock Station Investigation type: Occurrence Investigation 
State: Northern Territory  
Release date: 09 May 1985  
Report status: Final Occurrence category: Accident 
 Highest injury level: Serious 
Aircraft details
Aircraft manufacturer: Bell Helicopter Co 
Aircraft model: 47 
Aircraft registration: VH-ANG 
Type of operation: Aerial Work 
Sector: Helicopter 
Damage to aircraft: Substantial 
Departure point:Mt Riddock Station NT
Departure time:1015
Destination:Mt Riddock Station NT
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