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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.
  • Less Noise. Cleaner Air. Better Public Health. Compensation.
  • Everything you think you know about the airport is wrong.

TagSea-Tac Airport(2010)

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  • End of Block Seapart150 Block Color

    GIS Parcel Map with Noise Contour Boundary Near South 234th Place, Sea-Tac/Des Moines Area

    A GIS map showing residential parcels near South 234th Place in the SeaTac/Des Moines area, with a blue diagonal line indicating a noise contour or flight path boundary related to Sea-Tac Airport. Street addresses and parcel numbers are visible, including properties along 10th Avenue South, 12th Avenue South, and South 234th–235th Places, with overlapping green and blue shaded zones likely representing different noise exposure levels. The 'Akinlosotu Short Plat' subdivision is labeled in the upper right area.
    TagsMap, Noise Countour, Part 150, Sea-Tac Airport
  • End of Block Seapart150.Com

    End of Block example from 2032 Part 150

    A GIS map showing residential parcels in the South 234th Place corridor near 10th and 12th Avenue South in Des Moines/SeaTac, Washington, with a blue diagonal line indicating a noise contour or flight path boundary overlaid on the street grid. The shaded (blue) zone to the right of the line likely represents an airport noise impact area associated with Seattle-Tacoma International Airport policy mapping.
    TagsDes Moines, Map, Noise Countour, Part 150, Sea-Tac Airport
  • 12192025 Frontier 094807
    2025-12-19

    Frontier Airlines A321 ‘Otto the Owl’ Taking Off at Sea-Tac Airport

    A Frontier Airlines Airbus A321 (registration N701FR), featuring the 'Otto the Owl' livery, takes off from Seattle-Tacoma International Airport. The aircraft displays the Frontier branding and flyfrontier.com website on its fuselage, with an owl graphic on the tail.
    TagsAirbus, aircraft, Airline Industry, Sea-Tac Airport
  • A22D5061 2E1D 486F 9F89 2D9E5Bead058

    StART – SEA Stakeholder Advisory Round Table letterhead logo

    Header graphic for the StART (SEA Stakeholder Advisory Round Table) program at Seattle-Tacoma International Airport. The banner displays the StART acronym alongside an airplane icon and the full program name on a dark green background with lime-green design elements.
    CategoriesCorrespondence TagsAdvisory Committees, community engagement, Logo, Port Of Seattle, Sea-Tac Airport, StART
  • 2025-12-09

    Vashon Island Fair Skies – What changed?

    A document explaining changes to aircraft arrival patterns at SeaTac airport around 2015, including the introduction of Performance Based Navigation (PBN) technology and lowered flight altitudes. The changes concentrated flight paths over Vashon Island in a narrow corridor, causing increased noise pollution for residents who chose to live there for its peaceful environment.
    TagsFAA, Noise Pollution, PBN, Performance Based Navigation, Sea-Tac Airport
  • Whatnextgendidtovashon Onepager Pdf
    2025-12-09

    Vashon Island Fair Skies – What changed?

    A document explaining changes to aircraft arrival patterns at SeaTac airport around 2015, including the introduction of Performance Based Navigation (PBN) technology and lowered flight altitudes. The changes concentrated flight paths over Vashon Island in a narrow corridor, causing increased noise pollution for residents who chose to live there for its peaceful environment.
    TagsFAA, Noise Pollution, PBN, Performance Based Navigation, Sea-Tac Airport
  • 12052025 Seatac Airport 10302025 KC 134208
    2025-12-08

    Cities 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
    CategoriesFrom The Web, News Stories TagsCity Of SeaTac, Port Of Seattle, SAMP, Sea-Tac Airport, Seattle Times
  • 12052025 Seatac Airport 10302025 KC 134208
    2025-12-05

    Alaska Airlines Aircraft at Gates at Sea-Tac Airport with Seattle Skyline

    Multiple Alaska Airlines aircraft are parked at gates of Seattle-Tacoma International Airport, with the airport's air traffic control tower visible at right and the Seattle city skyline visible in the background. The Alaska Airlines logo and livery are clearly visible on several aircraft.
    TagsAir Traffic Control, Alaska Air, Sea-Tac Airport, Seattle
  • 11122025 Botanical5 123030
    2025-12-01

    Garden below Sea-Tac Airport’s flight paths thrives as its community grows

    By Tantri Wija Special to The Seattle Times WHEN WE MOVE to a new house, we can take our families, our pets and our furniture, but generally we have to leave the garden behind. They are planted in the ground, so usually that’s where they stay. However, if you want to badly enough, sometimes even
    CategoriesFrom The Web TagsEnvironment, Port Of Seattle, Sea-Tac Airport, Seattle Times
  • Pxl November 20, 2025 030200620

    Port of Seattle Airport History Talk — Speaker with Photo Collage Slide, Oddfellows Hall

    A speaker addresses a seated audience of several dozen people in a wood-paneled community hall, holding up what appears to be a book or magazine. A projection screen behind him displays a collage of four photographs of individuals outdoors, with partial text visible including what appears to read 'SEA' in the lower left corner of the slide.
    TagsDes Moines, History, Port Of Seattle, Sea-Tac Airport

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  • StART SEA Stakeholder Advisory Round Table
    Add to CalendarMWednesday Aug 26, 5:00pm - 7:00pm
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    START meetingagenda 2026826 final 0 pdf

    Meeting Objectives Introduce the primary feedback themes identified by StART members regarding StART’s Operating Procedures and determine areas that may warrant future discussion. 5:00 PM – Welcome Meeting Management Welcome Lead: Andrés Mantilla, Facilitator, Uncommon Bridges; Wendy Reiter, Airport Managing Director, POS 5:15 PM – Dinner: All participants eat. 5:30 PM – StART Operating Procedures

    [...]
  • Commercial Aviation Work Group
    Add to CalendarMThursday Sep 3, 10:00am - 1:30pm
    Virtual Meeting (Zoom)
    Cawg agenda sep 3 26 virtual pdf

    Meeting Agenda 10:00 a.m. – 10:15 a.m. | Welcome – Evan Nordby, Chair a. Introductions and Agenda Reviewb. Status of appointments and non-voting member invitationsc. Other updates as necessary 10:15 a.m. – 11:00 a.m. | Is it practical and legal to operate the western Washington [Puget Sound] airports as a single airport system? – Consultant

    [...]

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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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