TagSAMP(650)
Articles tagged with the Sustainable Airport Master Plan.
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2025-12-22Sea-Tac Airport’s answer to crowding? Construction
By Lauren Rosenblatt and Megan Ulu-Lani Boyanton Seattle Times staff reporters In September 2022, travelers at Seattle-Tacoma International Airport waited over an hour to clear security checkpoints. Lines stretched all the way to the airport’s parking lot. By the next year, Sea-Tac was, according to one major analytics firm, the third worst “mega” airport in -
2025-12-20Interlocal agreement between the cities of Burien, Des Moines, Normandy Park, and SeaTac for legal and environmental review in connection with the NEPA and SEPA evaluations of the Sea-Tac Airport Sustainable Airport Master Plan
The cities of Burien, Des Moines, Normandy Park, and SeaTac have entered into a formal interlocal agreement to coordinate their review of, and potential legal challenges to, the Port of Seattle's Sustainable Airport Master Plan, which could bring significant growth and environmental impacts to their communities over the next 20 years. Under the agreement, the four cities will jointly hire environmental consultants and legal counsel, share costs proportionally based on population, and issue unified comment letters during the NEPA and SEPA review processes. The City of SeaTac is designated as the lead administrator for contracts and finances, while all four cities must unanimously agree before filing any joint legal appeal. -
2025-12-09Burien, Des Moines, and SeaTac File Joint Petition for Review of FAA Decision
Posted on 12/09/2025 On September 26, 2025, the Federal Aviation Administration (FAA) completed their National Environmental Policy Act review of the Port of Seattle’s Sustainable Airport Master Plan (SAMP) Near-Term Projects. Based on the review, the FAA approved a Final Environmental Assessment and a Finding of No Significant Impact/Record of Decision (FONSI/ROD) for 31 proposed -
2025-12-08Cities appeal Sea-Tac airport expansion plans, including new terminal
Daily operations at Seattle-Tacoma International Airport in SeaTac. (Kevin Clark / The Seattle Times) By Lauren Rosenblatt Seattle Times business reporter The cities of Burien, Des Moines and SeaTac are challenging the Port of Seattle’s long-term vision for Seattle-Tacoma International Airport. The three cities filed a petition for judicial review of the Federal Aviation Administration’s -
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. -
2025-12-08Des Moines Airport Advisory Committee Meeting Agenda and Minutes
Airport Advisory Committee meeting agenda for December 8, 2025, including items on SAMP updates, StART meeting updates, complaints/communications, and committee work plan. Responses on noise complaint from Laurel Hughes. Also includes minutes from the November 10, 2025 meeting with discussion of Q&A with Steve Edmiston and various airport-related updates. -
2025-12-08NEPA and SEPA Process Timeline: Des Moines Airport Advisory Committee
This document outlines the federal (NEPA) and state (SEPA) environmental review processes related to Sea-Tac Airport, tracing key milestones from initial scoping in 2018 through the issuance of a Finding of No Significant Impact (FONSI) in September 2025 and a subsequent court appeal filed in November 2025. The NEPA process involved public comment periods, city council presentations, and a 4-city interlocal agreement, while the SEPA process determined the project required a full Environmental Impact Statement (EIS), with a Draft EIS expected in Q1 2026. Together, these timelines reflect years of coordinated efforts by multiple cities to formally challenge and scrutinize the environmental impacts of airport operations and expansion. -
2025-12-08Airport Advisory Committee Meeting Agenda and Minutes
We recognize that a healthy environment is essential to the quality of life in Des Moines. To ensure that we have a healthy environment, the Committee will advocate for adding a nationally recognized toxicologist(s) to the team responding to the Port of Seattle’s Sustainable Airport Master Plan (SAMP). The Committee will network with similar advocacy -
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. -
2025-12-03Public records request response PRR25-568: SAMP legal services selection
The City of SeaTac responded to a public records request (PRR25-568) from Paula Rodriguez seeking all communications, proposals, and scoring related to the selection of legal services for the Sustainable Airport Master Plan (SAMP), covering both NEPA and SEPA processes from January 2024 through October 2025. The city provided 34 pages of responsive records, available on the city's website, and closed the request on December 3, 2025. Under RCW 42.56.550(6), the requester has one year from that date to seek judicial review.