The Cities of Burien, Des Moines, and SeaTac Raise Concerns Over Federal Decision on Seattle-Tacoma International Airport’s Sustainable Airport Master Plan Near-Term Projects

On September 26, 2025, the Federal Aviation Administration approved a Final Environmental Assessment and Finding of No Significant Impact for 31 proposed projects under the Port of Seattle’s Sustainable Airport Master Plan at Seattle-Tacoma International Airport. The Cities of Burien, Des Moines, and SeaTac raised concerns regarding the FAA’s decision on these near-term projects.