Helicopter Association International
 MD500N, MD500D and MD500E

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Maximum distance and altitude separation from noise-sensitive areas are the most effective means of noise abatement. Control movement should be gradual and smooth.

Noise exposure is:

  • lower to the sides of the flight path than directly underneath
  • lower upwind than downwind of the helicopter

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General | Page 1 of 9 | Ground Ops
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Helicopter Association International
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