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The pilot reported that he took off into the north towards trees about 50 metres from the lift off point. He accelerated the helicopter through translational lift speed but had to climb soon after to aviod the trees, which were some five metres high. Once above the trees, the helicopter began to descend and lose performance. The pilot applied full collective pitch but was unable to prevent the aircraft descending into the trees. The pilot reported that winds in the area had been predominantly from the south for a number of days. Although conditions at ground level at the time of the takeoff were fairly calm, there may have been a southerly wind component above tree-top level. This, coupled with the relatively high operating weight of the helicopter might have been sufficient to cause the loss of performance described.

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[ Download PDF: 22KB]
General details
Date: 30 May 1990 Investigation status: Completed 
Time: 1815  
Location:Maggieville (28 km NNE Normanton) Investigation type: Occurrence Investigation 
State: Queensland  
Release date: 03 July 1990  
Report status: Final Occurrence category: Accident 
 Highest injury level: None 
Aircraft details
Aircraft manufacturer: Bell Helicopter Co 
Aircraft model: 47 
Aircraft registration: VH-AEO 
Serial number: 25034 
Type of operation: Private 
Sector: Helicopter 
Damage to aircraft: Substantial 
Departure point:Maggieville QLD
Departure time:N/A
Destination:Maggieville QLD
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