Effect of Distance on Airplane Noise Open PDF Document Details Document Type Technical Report Publication Date Jun 01, 1947 Accession Number ADA801150 Entities People Arthur A. Regier Organizations Langley Research Center Tags Communities of Interest Air Platforms DTIC Thesaurus Topics Acoustic Propagation Acoustics Aircrafts Airplanes Equations Frequency Humidity Losses Physics Laboratories Reflection Refraction Scattering Sound Waves Turbulence