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The helicopter was involved in cattle mustering operations. It was being flown at about 50 to 100 feet agl when a sudden yaw to the right developed. Attempts by the pilot to regain control of the aircraft were unsuccesful and it landed heavily while still rotating to the right. Both the occupants were thrown clear of the aircraft which caught fire immediately. The extensive fire damage to the aircraft inhibited the inspection of the wreckage. As a result, no reason for the apparent loss of control could be determined.

Download Final Report
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General details
Date: 22 July 1978 Investigation status: Completed 
Time: 1110  
Location:42km NE of Normanton Investigation type: Occurrence Investigation 
State: Queensland Occurrence type: Loss of control 
Release date: 12 December 1985 Occurrence class: Operational 
Report status: Final Occurrence category: Accident 
 Highest injury level: Serious 
Aircraft details
Aircraft manufacturer: Hughes Helicopters 
Aircraft model: 269 
Aircraft registration: VH-THW 
Type of operation: Aerial Work 
Sector: Helicopter 
Damage to aircraft: Destroyed 
Departure point:Delta Downs QLD
Departure time:955
Destination:Delta Downs QLD
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Last update 13 May 2014