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During a mustering operation at 100 feet above ground level the pilot noticed an unusual vibration in the aircraft. He decided to land in a nearby clear area to investigate the source of the vibration. As the pilot commenced the approach the engine suddenly oversped and the pilot immediately commenced an autorotational descent. The aircraft touched down while still moving sideways and rolled over. Inspection of the aircraft found that the short drive shaft from the engine to the transmission had failed. The failure was the result of the shaft overheating due to a lack of lubrication when the grease retaining boot on the drive shaft adaptor fell off. The clamp that held the boot in position was not found and the reason the boot was lost could not be determined. This accident was not the subject of an on-site investigation.

Download Final Report
[ Download PDF: 22KB]
 
 
 
 
General details
Date: 02 April 1986 Investigation status: Completed 
Time: 830 Investigation type: Occurrence Investigation 
Location:100km SW of Cloncurry  
State: Queensland  
Release date: 18 July 1986 Occurrence category: Accident 
Report status: Final Highest injury level: None 
 
Aircraft details
Aircraft manufacturer: Hughes Helicopters 
Aircraft model: 269 
Aircraft registration: VH-TES 
Type of operation: Private 
Sector: Helicopter 
Damage to aircraft: Substantial 
Departure point:Devoncourt, 65km SW of Cloncurry QLD
Departure time:0830
Destination:Devoncourt QLD
 
 
 
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