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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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  • 2026-04-24

    Request for updated information to complete hazard assessments of contaminated sites located at SeaTac Airport

    The Washington State Department of Ecology sent a letter to Megan King at Port of Seattle requesting updated information about contaminated sites at SeaTac Airport by August 31, 2026. The letter explains the Site Hazard Assessment and Ranking Process (SHARP) used to evaluate contamination in soil, groundwater, surface water, sediment, and indoor air. Six specific
    TagsEcology, letter, MTCA, Port Of Seattle, Sea-Tac Airport
  • Seatacairportinforequestltr20260424 pdf
    2026-04-24

    Request for updated information to complete hazard assessments of contaminated sites located at SeaTac Airport

    The Washington State Department of Ecology sent a letter to Megan King at Port of Seattle requesting updated information about contaminated sites at SeaTac Airport by August 31, 2026. The letter explains the Site Hazard Assessment and Ranking Process (SHARP) used to evaluate contamination in soil, groundwater, surface water, sediment, and indoor air. Six specific
    TagsEcology, letter, MTCA, Port Of Seattle, Sea-Tac Airport
  • UpgradeSEA map Upgrademain
    2026-04-23

    Upgrade SEA Airport Improvement Map

    An aerial overview of Seattle-Tacoma International Airport annotated with labeled capital improvement projects under the 'Upgrade SEA' program, including C Concourse Expansion, S Concourse Evolution, Concourse A Building Expansion for Lounges, SEA Gateway, Main Terminal Improvements Program, Baggage Optimization, Checkpoint 1 Relocation, Automated Parking Guidance System, Restroom Renovation, Roadway Improvements, Curbside Accessibility and Safety, and SEA Underground Controls Replacement. The Upgrade SEA diamond logo is visible in the lower left corner.
    TagsAirport Expansion, capital improvements, Map, Sea-Tac Airport
  • Baggage

    Unclaimed Luggage Lined Up at Airport Baggage Claim

    A large collection of unclaimed or delayed luggage is lined up in rows at an airport baggage claim area. A monitor in the background displays 'Baggage Claim' text, and a baggage carousel is visible with travelers standing nearby.
    TagsAirports, Cargo, Sea-Tac Airport
  • 04092026 Alaska Bags 142842

    Alaska Airlines Self-Service Bag-Tag Kiosks at Sea-Tac Airport

    Passengers check in at the Alaska Airlines self-service bag-tag kiosks inside a terminal. The Alaska Airlines logo and 'Print bag tags' signage are clearly visible on the kiosks and wall branding.
    TagsAirline Industry, Alaska Air, Sea-Tac Airport, Terminal
  • Southwest Checked Bags 12640

    Southwest Airlines Self-Service Check-In Kiosks at Sea-Tac Airport

    Travelers use self-service check-in kiosks at a Southwest Airlines terminal, identifiable by the Southwest branding and 'Start Here' signage on the kiosk stations. A woman with a pink backpack and a young child are seen with luggage at one of the kiosks.
    TagsAirline Industry, Sea-Tac Airport, Southwest Airlines
  • United Airlines Bag Fees 88592

    United Airlines Boeing 737 (N37267) at Gate A22

    A United Airlines Boeing 737 (registration N37267) is parked at gate A22 of a terminal, with ground crew and equipment visible. The aircraft displays the current United Airlines livery with blue tail logo and bold 'UNITED' fuselage lettering.
    Tagsaircraft, Sea-Tac Airport, United Airlines
  • 2024 SF NAP JPG 1
    2026-04-21

    2024 South Flow Noise Abatement Procedures graphic

    A 2018 Garmin-based aeronautical chart illustrating South Flow Noise Abatement Procedures at Seattle-Tacoma International Airport, showing the Initial Departure Corridor (green lines), Arrival Corridor (red lines), and a reference point north of the SR-520 bridge, with aircraft maintaining 5 nautical miles and 3,000 feet altitude constraints.
    TagsFlight Tracks, Map, Noise Abatement Procedures, Sea-Tac Airport
  • Delta Boeing 757 landing over Sea-Tac Airport with Port of Seattle vehicle in foreground

    Delta Boeing 757 landing near Sea-Tac Airport, agency vehicle in foreground

    A Delta Air Lines Boeing 757 (identifiable by the Delta logo and red/blue livery) is captured on final approach, landing gear deployed, flying low over a residential street near Seattle-Tacoma International Airport. A white SUV with what appears to be an environmental or transit agency logo is visible in the foreground, illustrating the proximity of flight paths to surrounding roadways and neighborhoods.
    Tagsaircraft, Boeing, Delta, Port Of Seattle, Sea-Tac Airport
  • Wendy Reiter Sea Tac Airport Director in Office

    Wendy Reiter, Sea-Tac Airport Director, in Office

    A woman in a gray blazer poses in what appears to be an aviation-related office, with multiple commercial airline model aircraft displayed on top of wooden cabinets behind her. One visible model is identifiable as a Delta Air Lines aircraft; the setting and collection suggest an airport or aviation authority executive office environment consistent with Sea-Tac Airport administration.
    TagsSea-Tac Airport, Wendy Reiter

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Upcoming Events

  • StART SEA Stakeholder Advisory Round Table
    Add to CalendarMWednesday Aug 26, 5:00pm - 7:00pm
    Zoom (Virtual Meeting)
    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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    "EXH AR023789: Handwritten Notes — Third Runway EIS Modeling Errors, Port Packages, Mitigation" — , 2001

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