• Recognize the impact operations have on noise.
• Understand the dangers of not addressing noise concerns
• Recognize the main noise generators on a helicopter
• Recognize which noise sources dominate each helicopter flight regime
• Recognize the effect that distance has on sound
• State the effect of temperature, humidity, and wind on sound
• Recognize the impact of terrain on sound
• Recognize the steps manufactures have taken to reduce helicopter noise
• Recognize new design features being examined for future noise reduction
• Recognize the need for noise abatement
• Recognize how pilot attitude factors into noise abatement
• Relate general guidelines for reducing helicopter noise
• Recognize the role of associations in establishing and enforcing noise abatement procedures
  
  
  Sponsored by the HAI Manufactures Committee and assisted
  by HAI Acoustics & Fly Neighborly Committees
  
  DOWNLOAD HERE (Version 2 - November 8, 2006 - 55mb)

Instructions - Download the file and unzip. Run the setup.exe to install.

MANUFACTURER'S RECOMMENDED
NOISE ABATEMENT PROCEDURES.