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An approaching front was causing the wind to swing from a 45 degree headwind/crosswind to a 45 degree tailwind/crosswind from the left. Although the pilot reported that he considered that the conditions were not suitable, he decided to attempt a takeoff as he felt there was a pressing need to carry out a survey of his property. Just prior to lift off, the aircraft veered to the left and the nosewheel entered a soft area at the side of the strip. The nosewheel broke off and the aircraft cartwheeled across the paddock. The pilot had completed a rotorcraft pilot's course, consisting of 10 hours of instruction, and the first 10 hours of post course consolidation. However, the pilot had very little experience at operating a rotorcraft in fluctuating crosswind conditions. The loss of control was probably the result of a sudden wind change during the latter part of the takeoff roll and pilot inexperience.

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General details
Date: 07 July 1990 Investigation status: Completed 
Time: 1330  
Location:West Wubin Investigation type: Occurrence Investigation 
State: Western Australia Occurrence type: Loss of control 
Release date: 31 July 1990 Occurrence class: Operational 
Report status: Final Occurrence category: Accident 
 Highest injury level: Serious 
Aircraft details
Aircraft manufacturer: JRM Helyplanes 
Aircraft model: Challenge Rotocraft 
Type of operation: Sports Aviation 
Damage to aircraft: Substantial 
Departure point:West Wubin, WA
Destination:West Wubin, WA
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Last update 11 March 2016