TagSustainable Airport Master Plan(280)
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2026-05-01Appendix Q: List of Preparers — SEPA EIS and NEPA EA for the Sustainable Airport Master Plan Near-Term Projects
This appendix lists the individuals and organizations responsible for preparing the environmental review documents for Seattle-Tacoma International Airport's Sustainable Airport Master Plan Near-Term Projects. It includes two tables: one covering contributors to the State Environmental Policy Act (SEPA) Environmental Impact Statement, and one listing those who prepared the National Environmental Policy Act (NEPA) Environmental Assessment. Key contributors include staff from the Port of Seattle, consulting firms such as Parametrix, Landrum & Brown, CDM Smith, Concord Engineering, and RS&H, covering areas such as air quality, noise, climate change, safety, and biological resources. -
SAMP Near-Term Projects Aerial Map — SEPA Draft EIS
A slide titled 'SAMP Near-Term Projects' presents an aerial map of Seattle-Tacoma International Airport identifying planned near-term capital improvements including a Second Terminal, North Gates, Taxiway A/B and D Extensions, Runway Blast Pads, Hardstand areas (Central and North), Busway and Stations, Roadway Improvements, Fuel Farm Expansion, ARFF Relocation, Westside Maintenance Campus, C4S Warehouse Redevelopment, Off-site Cargo, and a Centralized Receiving and Distribution Facility. The slide is numbered page 3 and uses a color-coded legend distinguishing new terminal, maintenance, cargo, support facilities, hardstand pads, existing buildings, new pavement, and demolition areas. -
Samp Newsletter Header 600X300
Cover graphic for the Port of Seattle's Sustainable Airport Master Plan (SAMP) Near-Term Projects State Environmental Policy Act (SEPA) document. The image displays the SAMP logo with the Port of Seattle branding, relevant to environmental review of near-term capital projects at Seattle-Tacoma International Airport. -
2026-04-13April 13 2026 Airport Advisory Committee Meeting Agenda Packet
Meeting agenda for April 13, 2026 Des Moines Airport Advisory Committee meeting and minutes from the March 9, 2026 meeting. Agenda includes discussion of SAMP updates, StART meeting updates, committee workplan amendments, and support for city response to SAMP Draft EIS. -
2025-12-08SAMP Appendix A – Fig 4-1 Operational Forecast Through 2038 (2023)
Bar chart from a LeighFisher forecast (June 2022, updated August 2023) showing historical and projected total aircraft operations at Seattle-Tacoma International Airport, broken down by passenger airlines, all-cargo airlines, and other operations. Operations dipped to 296,000 in 2020 (COVID impact), recovered to 429,000 by 2023, and are forecast to grow to 567,000 by 2038. -
SAMP 560,000 Operations Forecast in 2037 graph No Action vs Proposed Action
A line graph comparing historical aircraft operations at Sea-Tac Airport (2010–2020) against a 2022 Unconstrained Forecast, a No Action scenario, and a Proposed Action scenario through 2037. The chart shows operations dropping sharply in 2020 (likely COVID-19 impact) before recovering, with the unconstrained forecast reaching approximately 555,000 operations by 2037 versus the Proposed Action cap near 510,000. -
2025-12-02So you thought that Sea-Tac expansion was really underway?
Transportation By Mike Merritt December 3, 2025 The Port of Seattle has embarked on a much-needed, massive Seattle-Tacoma International Airport expansion. But the plan is far from taking off. The projects, including a new passenger terminal with 19 new aircraft gates, still must undergo another year of environmental review and win approval by the Port -
2025-11-21Petition for Review of Agency Order: Vashon Island Fair Skies v. Federal Aviation Administration
Vashon Island Fair Skies (VIFS), a Washington nonprofit representing residents affected by aircraft noise, has filed a petition in the Ninth Circuit Court of Appeals challenging a September 2025 FAA decision approving near-term expansion projects at Seattle-Tacoma International Airport. The group argues that the FAA's environmental review failed to adequately address the significant noise impacts on Vashon and Maury Islands resulting from concentrated, low-altitude flight paths introduced under the FAA's NextGen navigation program. VIFS has been actively opposing these flight path changes since 2018, when new Performance-Based Navigation procedures began routing more aircraft directly over the islands at lower altitudes. -
2025-11-21
Petition for Review of Agency Order: Vashon Island Fair Skies v. Federal Aviation Administration
Petition for Review filed November 21, 2025, by Vashon Island Fair Skies (VIFS), a Washington nonprofit 501(c)(3) corporation based on Vashon Island, against the Federal Aviation Administration, Administrator Bryan Bedford, U.S. Department of Transportation, and Secretary Sean Duffy in the United States Court of Appeals for the Ninth Circuit (Case No. 25-7373). VIFS challenges the -
2025-10-14Sustainable Airport Master Plan Near-Term Projects Update
Port of Seattle presentation updating on the FAA’s completion of NEPA Environmental Assessment for 31 proposed SAMP projects, finding no significant environmental impact. Covers regional growth driving air travel demand, project details, and next steps including Port-led environmental review and public engagement.