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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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TagEnvironmental Impact Statement(59)

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  • 1997-02-06

    Sea-Tac International Airport Impact Mitigation Study (HOK)

    ★ 32
    The Helmuth, Obata Kassabaum study, referred to as ‘HOK’, began as an individual community grant application by the City of Burien. Understandably it became associated with the ACC (plaintiffs in lawsuits attempting to stop the Third Runway) and a response to the defects of the Third Runway EIS. However, this was an independent effort, put
    CategoriesKey Documents TagsEIS, Environmental Impact Statement, HOK, Noise, pollution, Third Runway
  • 2026 07 09 sm agenda pdf
    2026-07-09

    Port of Seattle Commission Special Meeting – SEPA SAMP NTP Draft EIS Public Comment

    The Port of Seattle Commission is holding a Special Meeting to gather public input on the Sustainable Airport Master Plan (SAMP) Near-Term Projects Draft Environmental Impact Statement (DEIS) — and your voice matters. This critical environmental review shapes the future of Seattle-Tacoma International Airport and surrounding communities, making public participation essential. Meeting begins at 4:00 p.m. with informational displays and staff available to answer questions, followed by an official public comment period from 4:30–6:00 p.m. where Commissioners will be present to hear testimony directly. Virtual sign-ups are accepted July 6–8, 2026, and written comments can be submitted via email. The meeting is also available to view or listen to online or by phone.
    CategoriesEvents, Transcripts Tagscommunity engagement, Environmental Impact Statement, Port Of Seattle Commission, SAMP, SEPA
  • 2026-07-09

    Port Of Seattle Commission special meeting agenda: SAMP NTP SEPA DEIS public comment

    Agenda for a special meeting of the Port of Seattle Commission held at Seattle-Tacoma International Airport on July 9, 2026. The meeting focuses on the State Environmental Policy Act (SEPA) Sustainable Airport Master Plan (SAMP) Near-Term Projects (NTP) Draft Environmental Impact Statement (DEIS), with commissioners available to hear official public comments. The agenda outlines in-person,
    Tagscommunity engagement, Environmental Impact Statement, Port Of Seattle Commission, SAMP, SEPA
  • 2026 07 09 sm agenda pdf
    2026-07-09

    Port Of Seattle Commission special meeting agenda: SAMP NTP SEPA DEIS public comment

    Agenda for a special meeting of the Port of Seattle Commission held at Seattle-Tacoma International Airport on July 9, 2026. The meeting focuses on the State Environmental Policy Act (SEPA) Sustainable Airport Master Plan (SAMP) Near-Term Projects (NTP) Draft Environmental Impact Statement (DEIS), with commissioners available to hear official public comments. The agenda outlines in-person,
    Tagscommunity engagement, Environmental Impact Statement, Port Of Seattle Commission, SAMP, SEPA
  • Start meetingagenda 2026624 pdf
    2026-06-24

    StART agenda: June 24, 2026

    Agenda for the SEA Stakeholder Advisory Round Table (StART) meeting on June 24, 2026, held via Zoom. The primary objective is an overview of the SEPA Draft Environmental Impact Statement (DEIS) findings for the Sustainable Airport Master Plan (SAMP) Near-Term Projects published on May 22, 2026. The agenda also includes a Part 150 Noise Study/Aviation
    TagsEnvironmental Impact Statement, Part 150, Port Of Seattle, SAMP, SEPA, StART
  • 2026-06-18

    (Draft) Joint letter from City of Burien, City of Des Moines, and City of SeaTac to Port Of Seattle Commissioners regarding SAMP environmental review

    A draft letter from the June 25, 2026 Des Moines City Council meeting agenda responding to this editorial in the Seattle times from Mayors Dana Ralph (Kent) and Angela Birney (Redmond) in support of airport expansion. The three Cities of Burien, Des Moines, and SeaTac jointly write to Port of Seattle Commissioners to challenge the
    CategoriesMeetings TagsCity of Burien, City Of Des Moines, City Of SeaTac, Environmental Impact Statement, SAMP
  • Https3a2f2fcloudfront us east 1.images.arcpublishing.com2fcmg2fohqcp4oj55fw3i5b3ejfg2lfx4
    2026-06-08

    KIRO7: Public weighs in on Port of Seattle Sustainable Airport Master Plan

    It’s no secret that the Puget Sound region is growing. To keep up with the increasing demands, The Port of Seattle created the Sustainable Airport Master Plan, a blueprint for Seattle-Tacoma International Airport to address the increasing volume of passengers and cargo. The public can now comment on the draft environmental impact statement, available here.
    CategoriesFrom The Web, News Stories TagsCity of Burien, community engagement, Des Moines, Environmental Impact Statement, KIRO7, Noise, Sustainable Airport Master Plan
  • Item report 1 pdf
    2026-06-04

    Des Moines City Council – SAMP Update

    Purpose and Recommendation To provide the Council with an update on the status of the Sustainable Airport Master Plan (SAMP) environmental review. Background Federal Aviation Administration (FAA) Approval On September 26, 2025, the FAA completed their National Environmental Policy Act review and approved a Final Environmental Assessment and Finding of No Significant Impact/Record of Decision
    CategoriesEvents TagsCity Of Des Moines, Environmental Impact Statement, FAA, Port Of Seattle, SAMP Draft SEPA EIS
  • 2026-06-04

    Des Moines City Council (SAMP) update

    Des Moines City Council agenda item providing an update on the Sustainable Airport Master Plan (SAMP) environmental review process. The FAA completed their NEPA review in September 2025, approving 31 near-term projects including 19 additional gates and a second terminal. The Port of Seattle is now conducting SEPA review with a Draft EIS released May
    TagsCity Of Des Moines, Environmental Impact Statement, FAA, Port Of Seattle, SAMP Draft SEPA EIS
  • Item report 1 pdf
    2026-06-04

    Sustainable airport master plan (SAMP) update

    A City Council agenda item providing an update on the Sustainable Airport Master Plan (SAMP) environmental review process. The FAA completed their NEPA review in September 2025, approving 31 near-term projects including 19 additional gates and a second terminal. The Port of Seattle is now conducting SEPA review with a Draft EIS released May 22,
    TagsCity Of Des Moines, Environmental Impact Statement, FAA, Port Of Seattle, SAMP

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Upcoming Events

  • Joint Des Moines and Burien Airport Committee Meeting
    Add to CalendarMMonday Jul 13: 4:00pm
    21630 11th Avenue S, Suite C,
    July 13 2026 joint des moines and burien airport committee meeting agenda packet pdf

    Agenda Item: 2026 Aviation Noise & Emissions Symposium Summary Document Link

    [...]
  • Rep. Adam Smith Aviation Forum
    Add to CalendarMSaturday Jul 18, 1:00pm - 2:00pm
    2400 S. 240th St,
    Event image 1

    From the Office of Congressman Adam Smith: Highline College (Building 8, Mt. Townsend Room)Des Moines, WA Saturday, July 18 • 1 PM – 2 PM Join Rep. Adam Smith for an Aviation Forum. Attendees will have questions and concerns about aviation noise and emissions. RSVP today! Representative Adam Smith is hosting an aviation forum with

    [...]

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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!

A report examining the barriers to implementing sustainable aviation fuel (SAF) in Massachusetts, authored by Neil Rasmussen and Chuck Collins from the Institute for Policy Studies. The report analyzes challenges and obstacles facing SAF adoption in the state.
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