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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.

TagSR509(108)

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  • 2001-06-22

    Aerial View of Sea-Tac Airport Western Perimeter and Adjacent Highway

    Aerial photograph showing a multi-lane highway running alongside the western perimeter of what appears to be Seattle-Tacoma International Airport, with visible runways and control tower in the upper right. A school bus depot and light industrial facilities are visible on the left, with a distant city skyline on the horizon.
    Tagsaircraft, Airports, Sea-Tac Airport, SR509
  • 2001-06-22

    Aerial View of Highway Corridor and Construction Near Sea-Tac Airport

    Aerial photograph showing a multi-lane highway (likely SR-509 or I-5) running through a forested corridor alongside Seattle-Tacoma International Airport, visible at upper left with runways and large aircraft hangars. Construction activity and equipment are visible along the highway median and near an overpass, suggesting road expansion or infrastructure work underway.
    TagsAirports, Construction, Sea-Tac Airport, SR509
  • 2001-06-22

    Aerial Photograph of SR-509 Corridor

    TagsSea-Tac Airport, SR509
  • 2001-06-22

    Aerial View of Highway Construction Zone Near Puget Sound Shoreline

    Aerial photograph showing a multi-lane highway (likely I-5 or SR-99 in the Pacific Northwest based on vegetation, terrain, and visible Puget Sound shoreline) with an active road construction zone at a cross-street overpass. Construction equipment including excavators is visible at the interchange, and a residential/suburban area with dense tree cover surrounds the corridor.
    Tagsaircraft, Construction, Puget Sound, SR509
  • 2001-06-22

    Aerial Photograph of SR-509 Corridor, June 2001

    Tagsaircraft, Sea-Tac Airport, SR509
  • 2001-06-22

    Aerial View of Ground Clearing and Grading Operations Near Sea-Tac Airport Runway

    Aerial photograph showing large-scale ground clearing and grading operations adjacent to what appears to be an airport runway or taxiway area in the upper portion of the frame. A residential neighborhood, road intersection, and what may be a water treatment or detention facility are visible in the foreground, with heavy construction equipment scattered across the disturbed soil areas.
    TagsAirport Expansion, Construction, Sea-Tac Airport, SR509
  • 2001-06-22

    Aerial View of Highway Overpass Construction Near Puget Sound in the Greater Seattle-Tacoma Area

    Aerial photograph showing a multi-lane highway (likely I-5 or similar Pacific Northwest interstate) intersecting with a surface road, with active bridge or overpass construction visible at the crossing. A body of water consistent with Puget Sound is visible in the background, along with suburban residential development and dense tree cover, suggesting a location in the greater Seattle-Tacoma area.
    Tagsaircraft, Construction, Map, Puget Sound, SR509
  • 2001-06-22

    Aerial View of Multi-Lane Highway Interchange Near Commercial Area in Pacific Northwest

    Aerial photograph showing a busy multi-lane highway interchange featuring an overpass bridge crossing a parallel road, with a river and green vegetation visible to the left. Commercial and industrial buildings with large parking lots are visible in the upper portion of the image, consistent with a suburban Pacific Northwest setting.
    TagsAirports, non-aviation transportation, SR509
  • 2001-06-22

    Aerial View of Cleared Construction Site With Earthmoving Equipment

    An aerial photograph shows a large cleared construction site with active earthmoving equipment including excavators and bulldozers. The site is surrounded by evergreen trees, with what appears to be a water treatment facility visible in the upper left and a residential property in the lower right corner.
    TagsAirport Expansion, Construction, Sea-Tac Airport, SR509
  • 2001-06-22

    Aerial View of Highway Interchange Construction with Overpass Bridge and Excavation Equipment

    Aerial photograph showing an overpass bridge crossing a multi-lane highway, with active construction visible including excavation equipment, earthwork, and staging areas on the northeast quadrant of the interchange. Surrounding area includes residential neighborhoods and dense tree cover, consistent with the Pacific Northwest region.
    TagsAirport Expansion, Construction, SR509

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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
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    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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