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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.

TagConstruction(144)

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  • 2001-06-22

    Aerial View of Retention Pond Under Construction at Sea-Tac Airport

    Aerial photograph showing a large oval retention or settling pond under active construction, with construction equipment visible along its perimeter. In the background, an airport runway and taxiway are visible, along with a large white aircraft maintenance or assembly facility bearing a partially visible red logo consistent with a major airline.
    TagsAircraft Maintenance, Construction, Sea-Tac Airport, StormwaterFolderWatershed Aerial Photos
  • 2001-06-22

    Aerial View of Highway Overpass Construction Near Puget Sound

    Aerial photograph showing a multi-lane highway with an overpass bridge under active construction, surrounded by suburban development including what appears to be a school bus depot or transit facility. A body of water is visible in the far background, consistent with the Puget Sound region of Washington State.
    TagsConstruction, non-aviation transportation, Puget Sound, SR509FolderWatershed Aerial Photos
  • 2001-06-22

    Aerial View of Sea-Tac Airport with Southern Perimeter Construction Site and Retention Pond

    Aerial photograph looking north toward Seattle-Tacoma International Airport showing runways, terminal area, and aircraft on the ramp. In the foreground, a large graded construction site with a retention pond is visible adjacent to industrial/commercial buildings, suggesting significant ground development activity near the airport's southern perimeter.
    TagsAirport Expansion, Construction, Runways, Sea-Tac AirportFolderWatershed Aerial Photos
  • 2001-06-22

    Aerial View of Sea-Tac Airport Runways, Adjacent Land, and Construction Staging Area

    Aerial photograph showing airport runways and taxiways in the upper portion of the frame, with adjacent undeveloped land, dense tree cover, roads, and what appears to be a construction or staging area with equipment and trailers. High-voltage transmission towers are visible on the left side, consistent with infrastructure commonly found near major airports.
    TagsAirport Expansion, Construction, Runways, Sea-Tac AirportFolderWatershed Aerial Photos
  • 2001-06-22

    Sea-Tac Airport Aerial View Showing Runway, Road Tunnel, Retention Pond Under Construction, and Fuel Farm

    Aerial photograph showing an airport runway (with visible threshold markings), a road tunnel/underpass passing beneath the airfield, a large retention or sedimentation pond under apparent construction, and surrounding industrial and commercial development. Fuel storage tanks are visible in the upper portion of the image, consistent with airport fuel farm infrastructure.
    TagsConstruction, Runways, Sea-Tac Airport, StormwaterFolderWatershed Aerial Photos
  • 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, SR509FolderWatershed Aerial Photos
  • 2001-06-22

    Aerial View of Earthmoving and Grading Operations Near Airport Runway

    Aerial photograph showing active earthmoving and grading operations on a large cleared site next to what appears to be a general aviation airport runway. A retention or sedimentation pond is visible to the left of the construction area, with heavy equipment scattered across the graded terrain and a suburban landscape visible in the background.
    TagsAirport Expansion, Construction, Sea-Tac AirportFolderWatershed Aerial Photos
  • 2001-06-22

    Aerial View of Highway Construction Near Sea-Tac Airport

    Aerial photograph showing a multi-lane highway (likely Interstate 5 or SR-518) undergoing construction or widening near what appears to be Seattle-Tacoma International Airport, visible in the upper left with its runways and terminal facilities. A bridge overpass is under construction, with heavy equipment visible alongside the roadway corridor.
    TagsConstruction, Sea-Tac Airport, SR509FolderWatershed Aerial Photos
  • 2001-06-22

    Sea-Tac Airport Aerial View Showing Terminal, Runways, and Groundside Construction

    Aerial photograph showing Seattle-Tacoma International Airport with active runways, terminal gates, and what appears to be a significant ground-side construction project in the foreground, including new roadways, drainage channels, and a large facility building under development. Surrounding commercial and residential areas of the SeaTac/Burien area are visible, along with multiple aircraft at gates.
    TagsAirport Expansion, Construction, Sea-Tac AirportFolderWatershed Aerial Photos
  • 2001-06-22

    Aerial View of Sea-Tac Airport Southern Edge Showing Construction and Cargo Facilities

    Aerial photograph showing the southern or eastern edge of Seattle-Tacoma International Airport, with active construction, a cargo or maintenance facility, a retention/detention pond, and a multi-lane arterial road bordering the airport property. Large aircraft hangars and runways are visible in the background, consistent with Sea-Tac Airport's layout.
    TagsAirport Expansion, Cargo, Construction, Sea-Tac AirportFolderWatershed Aerial Photos

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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...]


Help study childhood asthma. Get free HEPA filter!

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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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    "Aerial View of Grading and Earthwork Construction Site Near Sea-Tac Airport" — , 2001

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