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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(1835)

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  • Pxl july 30, 2026 202648865
    2026-07-30

    Auburn Wetland Nature Trail Path and Informational Kiosk

    A paved gravel path flanked by wooden split-rail fences curves through dense green vegetation toward a visible informational signboard or kiosk in the background. The setting appears to be a public nature trail or park access path on a clear sunny day.
    TagsAuburn Wetland, City of Auburn, Environment, Parks, Port Of Seattle, Sea-Tac AirportFolderAuburn Wetland
  • Airport Terminal Interior
    2026-07-29

    Sea-Tac Airport expansion plan riles surrounding community

    Sea-Tac hit a record 52.6 million passengers in 2025, a total expected to climb in the coming years. Don Wilson | Port of Seattle By Nick Pasion – Reporter, Puget Sound Business Journal Jul 13, 2026   Listen to this article5 min Story Highlights What’s This? The Port of Seattle’s Sustainable Aviation Master Plan includes 31 projects
    CategoriesFrom The Web TagsPuget Sound Business Journal, SAMP, Sea-Tac Airport
  • 2026 07 28 sm packet pdf
    2026-07-28

    Port of Seattle Special Commission Meeting July 28, 2026

    **8e.** One-year extension of the Duwamish Basin Steward Interlocal Agreement through December 31, 2027 **10b.** Introduction and adoption of Resolution No. 3852 amending Commission Bylaws — Articles IV (Meetings) and VI (Rules of Order) **11a.** 2026 Police Department Update presentation
    CategoriesEvents TagsDuwamish River, Fred Felleman, Port Of Seattle, Port Of Seattle Commission, Sea-Tac Airport
  • 2026-07-28

    Port Of Seattle Regular Commission Meeting agenda, July 28, 2026

    This document is the agenda for a Port of Seattle Regular Commission Meeting held on July 28, 2026, covering routine administrative and operational matters such as approval of meeting minutes, claims and obligations, lease agreements, and custodial services contracts. The meeting agenda does not contain any items specifically related to Sea-Tac Airport noise policy. Notable items include a $150 million authorization for airport custodial services contracts through 2031 and environmental stewardship agreements for the Duwamish Basin.
    TagsDuwamish River, Fred Felleman, Port Of Seattle, Port Of Seattle Commission, Sea-Tac AirportFolderMeetings
  • Iaf seating
    2026-07-16

    International Arrivals Facility seating area under construction

    Interior view of the International Arrivals hall at Seattle-Tacoma International Airport (SEA), identifiable by the 'International Arrivals – EXIT ONLY' signage visible on the upper right. The space features newly installed terrazzo flooring with a wave pattern and modular concrete seating blocks, with a worker in a high-visibility vest suggesting ongoing construction or finishing work.
    TagsConstruction, IAF, International Arrivals Facility, Sea-Tac Airport, TerminalFolderWatershed Aerial Photos
  • 2026-07-14

    Seattle Tacoma International Airport (SEA) Sustainable Airport Master Plan (SAMP) Draft Environmental Impact Statement (DEIS) community open house

    The City of Burien, Des Moines, and SeaTac co-hosted a Community Open House on July 14, 2026, to present the Draft Environmental Impact Statement (DEIS) for Seattle-Tacoma International Airport's Sustainable Airport Master Plan (SAMP). The meeting covered proposed airfield, terminal, cargo, and landside expansion projects, along with their potential environmental impacts on surrounding communities. Residents were invited to learn about next steps and submit public comments on the plan.
    Tagscommunity engagement, Environmental Impact Statement, Open House, SAMP, Sea-Tac AirportFolderFour City ILA
  • Stcp chapter unk pg unknown sunnydale neighborhood plan map

    STCP Sunnydale Neighborhood Plan Map — West Conversion Area and North Acquisition Area

    A detailed neighborhood map related to Sea-Tac Airport noise policy, showing the West Conversion Area and North Acquisition Area boundaries. The map identifies surrounding neighborhoods and landmarks including Sunny Terrace Neighborhood, Blakley Manor Neighborhood, Highline High School, Moshier Field, Sunnydale Elementary, Chelsea Park Elementary, Sunny Terrace Elementary, Sylvester Junior High, Miller Creek Ravine, Lake Reba, and major roads including S.R. 509, S.R. 518, S. 152nd St., and S. 160th St., with grid markers M-14 through M-17 and N-15.
    TagsMap, Noise Mitigation, Sea-Tac Airport, STCPFoldermaps
  • Stcp chapter unk pg unknown street map with school locations unk

    STCP Street Map with School Locations and Noise Zone Overlays, South Seattle/Burien Area

    A detailed urban planning or noise-impact map labeled POS 21148 depicting the south Seattle/Burien area near Sea-Tac Airport, showing street grid references including S. 128th St., S. 136th St., S. 140th St., S. 142nd St., and S. 146th St., along with named landmarks such as Boulevard Park Elementary, Cedarhurst Elementary, Sunset Junior High, Glacier High, Sunny Terrace Elementary, Riverton Heights Elementary, Tub Lake, Lake Rebecca, Lora Lake, Miller Creek, Des Moines Way South, Military Road, and SR-518 (Renton–Three Tree Point Road). Zone designations (O-12 through O-17, N-17, P-17) suggest noise contour or land-use overlay classifications consistent with airport noise policy planning.
    TagsMap, Noise Countour, Schools, Sea-Tac Airport, STCPFoldermaps
  • Stcp chapter unk pg unknown sea tac communities plan zoning map

    Sea-Tac Communities Plan Noise Study Zones Map (POS 21208)

    Planning map labeled POS 21208 showing noise study zones (N-1 through N-7 and O-1 through O-7) in the area south of Seattle city limits along Highway 99 and 16th Ave S, bounded by Boeing Field/King County International Airport to the north and featuring landmarks including Glendale Junior High, Glen Acres Golf Club, Rainier Golf and Country Club, Southern Heights Elementary, and the Duwamish River. The map appears to be part of a Sea-Tac Airport or regional airport noise impact planning study.
    TagsMap, Noise, Sea-Tac Airport, Sea-Tac Communities Plan, STCPFoldermaps
  • Stcp chapter unk pg unknown sea tac communities plan map

    Sea-Tac Communities Plan Map: McMicken Heights and Bow Lake Neighborhoods

    A neighborhood planning map depicting the McMicken Heights and Bow Lake neighborhoods near Sea-Tac Airport, showing Bow Lake, Angle Lake, Interstate 5, the Green River, and local landmarks including Bow Lake Elementary, Chinook Junior High, Tyee Senior High, and Valley Ridge Park. Also visible are Bow Lake Trailer Town, a 21-acre vacant parcel, Bow Vista Subdivision, and street references including S. 188th St. and 200th St.
    TagsBow Lake, Map, Sea-Tac Airport, Sea-Tac Communities Plan, STCPFoldermaps

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Upcoming Events

  • Stay Grounded Event: Night trains, not night planes!
    Add to CalendarMSunday Sep 13: 12:00am
    Ntnnp social media3

    For the past two years, more than 220 initiatives from 15 countries have declared September 13th as the International day for the ban of night flights at airports. In parallel, activists across Europe have been gathering for pyjama parties for night trains – coordinated in 2024 and 2025 by Back on Track and Stay Grounded.

    [...]
  • 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

    [...]

[See all...]


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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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