TagSAMP(650)

The Federal Aviation Administration filed an amended certified index to the administrative record in two Ninth Circuit cases challenging the FAA's September 24, 2025, Finding of No Significant Impact/Record of Decision for near-term construction projects at Seattle-Tacoma International Airport. The cases were brought by Vashon Island Fair Skies and the City of Burien, among others, who are contesting the agency's environmental review of the airport expansion plans. The full administrative record was made available to petitioners electronically on May 8, 2026.

The Federal Aviation Administration filed an amended certified index to the administrative record in two Ninth Circuit cases challenging the FAA's September 24, 2025, Finding of No Significant Impact/Record of Decision for near-term construction projects at Seattle-Tacoma International Airport. The cases were brought by Vashon Island Fair Skies and the City of Burien, among others, who are contesting the agency's environmental review of the airport expansion plans. The full administrative record was made available to petitioners via a secure file-sharing link in May 2026.

Agenda for the Des Moines Airport Advisory Committee meeting covering approval of minutes, complaints/communications, StART meeting update, SAMP update, and workplan amendment discussion. Includes items about supporting city response to SAMP Draft EIS, public education efforts, and mitigation measures research.

The Des Moines Airport Advisory Committee met on April 13, 2026, and is scheduled to meet again on May 11, 2026, to discuss issues related to Seattle-Tacoma International Airport's impact on the Des Moines, Washington community. Key agenda topics include updates on the Sustainable Airport Master Plan (SAMP) and its Draft Environmental Impact Statement, as well as a proposed workplan amendment covering noise and traffic mitigation measures, public education efforts, and a community survey. The committee also seeks a more comprehensive traffic analysis that accounts for impacts from the completed WSDOT Highway 509 project.

The Port of Seattle released a Draft Environmental Impact Statement (DEIS) under the State Environmental Policy Act (SEPA) for the Sustainable Airport Master Plan Near-Term Projects at Sea-Tac Airport, finding that surface transportation is the only category with significant impacts requiring mitigation. The review examined sixteen environmental categories including noise, air quality, and community impacts, with a 60-day public comment period running from May 22 to July 21, 2026, including in-person meetings in SeaTac, Burien, Des Moines, and Federal Way. A final SEPA determination is expected by the end of 2026.

The Port of Seattle has released a Draft Environmental Impact Statement (EIS) under Washington State's environmental review law for 31 near-term construction projects at Seattle-Tacoma International Airport (SEA). The projects, which include a new 19-gate terminal and an elevated busway system, are designed to handle up to 56 million passengers by 2032. While a prior federal review found no significant environmental impacts requiring mitigation except for surface transportation, this state-level review evaluates two action alternatives alongside a no-action scenario.