This document summarizes an April 12, 2021 Aviation Noise Working Group meeting held via Zoom, where Port of Seattle representatives provided updates on efforts to reduce aircraft noise around Seattle-Tacoma International Airport. Key topics included progress on raising the 34R glideslope angle from 2.75 to 3.1 degrees (complicated by FAA ownership of equipment), a report on late-night flight noise violations by cargo carriers like FedEx and Amazon Prime Air, and a recap of a study comparing close-in versus distant departure procedures. The group also discussed the Port's temporary noise monitoring program, with current deployments in Normandy Park and Vashon Island and a planned deployment in Burien.Open full document
Notes
This meeting summary from the StART Aviation Noise Working Group covers progress on the 34R glideslope adjustment, updates to the near-term aviation noise action agenda including late-night noise limitations and cargo carrier exceedances, and an overview of the temporary noise monitoring program deployments. The meeting also included a recap of the noise abatement departure profiles study comparing close-in versus distant takeoff procedures.