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The helicopter was engaged in a medical evacuation operation. A crewman was positioned on the ground to anchor a tag line, which was attached to a Stokes litter and was designed to prevent the litter from spinning during winching. The nature of the terrain was such that the line could not be positioned at the correct angle. Shortly after the winching operation commenced, the litter commenced to spin. As it neared the helicopter, the winch operator attempted to stop the spinning to enable the litter to be lifted on board. His right arm was broken when it became entangled in the litter straps.

Download Final Report
[ Download PDF: 22KB]
General details
Date: 25 December 1987 Investigation status: Completed 
Time: 742  
Location:7 km SE of Mount Barrrington Investigation type: Occurrence Investigation 
State: New South Wales Occurrence type: Miscellaneous - Other 
Release date: 23 February 1988 Occurrence class: Operational 
Report status: Final Occurrence category: Accident 
 Highest injury level: Serious 
Aircraft details
Aircraft manufacturer: Bell Helicopter Co 
Aircraft model: 412 
Aircraft registration: VH-NSO 
Serial number: 33089 
Type of operation: Aerial Work 
Sector: Helicopter 
Damage to aircraft: Nil 
Departure point:Wollongong NSW
Departure time:0533
Destination:Newcastle NSW
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