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Significant Factors

Summary

  1. The pilot was inexperienced.
  2. The density altitude and relative humidity were high.
  3. The wind conditions were gusty.
  4. There was no documented data or guidance available to the pilot to assist him in assessing the expected performance of the helicopter during the takeoff.
  5. The pilot did not adequately plan the takeoff to account for the weather conditions and helicopter landing site characteristics.
  6. The pilot used an inappropriate takeoff technique.
  7. The helicopter was probably at or close to maximum all up weight and had inadequate performance to complete the takeoff in nil wind.
  8. The weather conditions had changed since the first takeoff and did not assist the helicopter during the second takeoff.
 
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