Noise Tutorial
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The Effects of Weather on Sound Propagation — 524 KB PDF
(thanks to Vancouver International Airport and used with the permission of Mestre Greve Associates Division of Landrum & Brown)

Noise Basics and Noise Effects — 518 KB PDF
(thanks to Wyle Laboratories)

Noise Metrics Graphic — 239 KB PDF
(thanks to Barnard Dunkelberg & Co. and Spirit of St. Louis Airport)

Aircraft Noise and Emissions Mitigation — 451 KB PDF document
(thanks to PARTNER)

Equivalent Aircraft Comparison — 166 KB PDF
(thanks to Minneapolis-St. Paul International Airport)