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STNI

STNISea-Tac Noise.Info

  • Solve for Sea-Tac. Solve for every airport.
  • Since 2016, working to obtain justice for everyone living under the flight path.
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TagNEPA(390)

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  • Samp NTP Final NEPA EA FAA Record of Decision and SEPA Next Steps 10 22 25 Page 14

    Samp NTP Final NEPA EA FAA Record of Decision and SEPA Next Steps 10 22 25 Page 14

    Slide 14 from a Sea-Tac Airport presentation outlining three alternatives evaluated in the environmental review for the Seattle-Tacoma International Airport Master Plan (SAMP) Near-Term Projects (NTP): No Action, Hybrid Terminal Option, and Proposed Action. The Proposed Action includes 31 airside, cargo, landside, terminal, and airport/airline support projects designed to meet current and future needs while minimizing environmental impacts.
    TagsNEPAFolderPresentation
  • Samp NTP Final NEPA EA FAA Record of Decision and SEPA Next Steps 10 22 25 Page 13

    Samp NTP Final NEPA EA FAA Record of Decision and SEPA Next Steps 10 22 25 Page 13

    A bar chart slide projecting total passengers and aircraft operations at Seattle-Tacoma International Airport under 'No Action' and 'Proposed Action' scenarios for 2032 (opening year) and 2037 (opening plus five years). 2024 actuals are noted as 52,640,716 total passengers and 428,915 aircraft operations, with projected passengers reaching up to 64,093,412 and operations up to 509,892 by 2037 under the Proposed Action scenario.
    TagsNEPAFolderPresentation
  • Samp NTP Final NEPA EA FAA Record of Decision and SEPA Next Steps 10 22 25 Page 12

    Samp NTP Final NEPA EA FAA Record of Decision and SEPA Next Steps 10 22 25 Page 12

    A slide from a Seattle-Tacoma International Airport Strategic Airport Master Plan (SAMP) presentation outlining five project needs and corresponding purposes, including accommodating 56 million annual passengers at optimal level of service, meeting FAA airport design standards, improving taxiway efficiency, and supporting Sustainable Aviation Fuel (SAF) initiatives.
    TagsNEPAFolderPresentation
  • Samp NTP Final NEPA EA FAA Record of Decision and SEPA Next Steps 10 22 25 Page 11

    Samp NTP Final NEPA EA FAA Record of Decision and SEPA Next Steps 10 22 25 Page 11

    Slide 11 from a Sea-Tac Airport (SEA) environmental review presentation outlining lead agencies for both federal and state environmental review processes. Under NEPA, the FAA serves as lead agency with the Port of Seattle/SEA as sponsor, producing an Environmental Assessment (EA); under SEPA, the Port of Seattle is lead agency with its Director of Aviation Environment & Sustainability as responsible official, producing an Environmental Impact Statement (EIS).
    TagsNEPAFolderPresentation
  • Samp NTP Final NEPA EA FAA Record of Decision and SEPA Next Steps 10 22 25 Page 17

    Samp NTP Final NEPA EA FAA Record of Decision and SEPA Next Steps 10 22 25 Page 17

    This slide, numbered 17, reports that extensive public outreach generated 591 comment letters and 2,554 unique comments submitted to the FAA regarding Sea-Tac Airport. Comment themes included preparing a NEPA EIS, alternatives, air quality/climate, environmental justice, noise, human health, children's health and safety risks analysis, and other NEPA-related topics.
    TagsNEPAFolderPresentation
  • Samp NTP Final NEPA EA FAA Record of Decision and SEPA Next Steps 10 22 25 Page 16

    Samp NTP Final NEPA EA FAA Record of Decision and SEPA Next Steps 10 22 25 Page 16

    Slide 16 from a Port of Seattle presentation documents the public comment opportunity for the FAA's NEPA Draft, covering 53 days (10/21–12/13/24), four open houses with 230+ attendees, 42 community presentations, and outreach via postcards, project website, local newspaper, online media, videos, community events, social media, media advisories, and tours. Three photos show community members reviewing display boards and materials at open house events.
    TagsNEPAFolderPresentation
  • Samp NTP Final NEPA EA FAA Record of Decision and SEPA Next Steps 10 22 25 Page 15

    Samp NTP Final NEPA EA FAA Record of Decision and SEPA Next Steps 10 22 25 Page 15

    This slide from an FAA presentation summarizes the findings of a Draft NEPA Environmental Assessment, categorizing environmental impact areas by severity level. Surface Transportation is identified as having significant impacts requiring mitigation, while categories such as Farmlands and Wild and Scenic Rivers are listed as 'not present,' and others like Air Quality and Climate fall below significant impact thresholds.
    TagsNEPAFolderPresentation
  • 2025-11-26

    Petition for Review FAA NEPA FONSI ROD email chain

    City of SeaTac officials exchanged emails in November 2025 regarding a Petition for Review filed to appeal the FAA's NEPA Finding of No Significant Impact (FONSI) and Record of Decision, coordinated under an Interlocal Agreement (ILA) with the cities of Burien and Des Moines. A council member raised concern about the petition listing 'Attorneys for Vashon Island Fair Skies' rather than the three cities, to which Director Evan Maxim clarified that outside legal counsel Mr. Taber also represents other parties including Vashon Island in a related SAMP appeal, and that the reference was likely included by mistake. SeaTac is identified as the primary party in the event of any conflict of interest among the represented parties.
    TagsCity Of SeaTac, FONSI, NEPA, SAMP, Vashon Island Fair SkiesFolderSeaTac
  • 2025-11-21

    Petition 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.
    TagsBryan Bedford, FAA, FONSI, NEPA, NextGen, Ninth Circuit Court of Appeals, SAMP, Sean Duffy, Steven Taber, Sustainable Airport Master Plan, Vashon Island Fair Skies, VIFSFolderVashon Island Fair Skies
  • 2025-11-20

    Engagement Letter – Special Environmental Counsel Services: Cities of Burien, Des Moines, and Sea-Tac

    In November 2025, the law firm Ogden Murphy Wallace (OMW) agreed to jointly represent the cities of Burien, Des Moines, and SeaTac as special environmental counsel in matters related to the Port of Seattle's Sustainable Airport Master Plan. The firm's scope of work covers environmental review processes under federal (NEPA) and state (SEPA) law, as well as any potential litigation against the Port of Seattle or the Federal Aviation Administration. Attorneys are billed at hourly rates ranging from $300 to $535 depending on role and experience, with no advance fee deposit required.
    TagsCity of Burien, City Of Des Moines, City Of SeaTac, NEPA, Port Of Seattle, SAMP, SEPA, Sustainable Airport Master PlanFolderPDR26-042 Burien

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Upcoming Events

  • Burien Airport Committee Meeting September 15, 2026
    Add to CalendarMTuesday Sep 15: 6:00pm
    400 SW 152nd St, Burien, WA 98166
    Burien airport committee 15 sep 2026 agenda pdf pdf

    a) Part 150 Noise Study (Emily Inlow-Hood) — 15 minutes
    b) SAMP Update and Next Steps (Brian Davis and Sarah Moore) — 15 minutes
    c) Legislative Updates — 10 minutes
       • SCA (Sarah Moore)
       • Work with Sen. Orwall (Brian Davis)
    d) StART Reorganization (Jeff Harbaugh and Karen Veloria) — 10 minutes

    [...]

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Issues

Sea-Tac Airport is currently undergoing the largest and longest expansion in its history, collectively known as the Sustainable Airport Master Plan (SAMP). Some of it you can already hear, but you’re probably not aware of what it all means. Here’s what you need to know.
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Read This!

As the source for federal transportation grants, the Puget Sound Regional Council was charged with developing a system to meet the growing need for commercial aviation. When the search for a second airport failed, they authorized the Port of Seattle to build the Third Runway, with a mandate to develop a noise abatement and mitigation program. In their effort to stop the Third Runway, the ACC argued over every detail of the Port's efforts--including property buyouts and sound insulation. The dispute was meant to be settled by a three member Expert Arbitration Panel. This is their final report. It finds 2-1, that the Port's program was insufficient in several respects. Despite that, funding for the Third Runway was approved by the PSRC, and the 'Port Package' program, proceeded largely unchanged. Expert Arbitration Panel's final decision finding that the Port of Seattle had not shown sufficient reduction in real on-the-ground noise impacts to satisfy noise reduction conditions required for approval of a third runway at Sea-Tac International Airport. The majority decision concluded the Port's noise abatement programs were insufficient despite being impressive in scope.
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