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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.

TagSunset Park(38)

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  • Outdoor Air Quality Monitoring Station with PM Samplers and Met Sensors

    A white outdoor environmental monitoring enclosure equipped with two inlet stacks (likely PM2.5 or TSP samplers), a meteorological sensor array (temperature/humidity radiation shield), a vertical antenna, and associated cabling. The station is situated on a gravel lot near corrugated metal structures, with graffiti-marked walls visible in the background.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • Outdoor noise monitoring equipment enclosure

    A white wooden enclosure box is opened to reveal what appears to be air pump or compressor equipment with electrical connections, situated on a gravel surface. Metal conduit runs from the enclosure to a nearby structure, with a green sensor or junction box visible at the end of the conduit — consistent with noise monitoring station infrastructure.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • Air quality or environmental monitoring station with antenna mast

    A white equipment enclosure or monitoring shelter fitted with air sampling inlet stacks, a tall antenna mast with a wind vane or lightning rod at its apex, a smaller communications antenna, and an LG air conditioning unit. The setup is consistent with an ambient air quality or meteorological monitoring station, surrounded by trees and a chain-link fence.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • Conduit run with weighted supports near portable building

    A metallic electrical conduit run is secured along a gravel surface using green-colored weighted pipe supports, leading from a junction box into a small white portable or modular building. Additional electrical infrastructure, including a wall-mounted enclosure and conduit riser, is visible on the exterior of the building.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • PSCAA Sunset Park Air Quality Monitoring Site — April 11, 2025 (8:29 PM)

    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • Electrical Service Meters – 13631 18th Ave S, Air Station and Warehouse

    Two exterior electrical meter/disconnect assemblies mounted on a corrugated metal building wall at 13631 18th Ave S. Labels identify the left unit as serving the 'Warehouse' and the right as the 'Air Station,' both rated 100A 120/240V 1-Phase with a Main Service Shut Off, and both bearing a '4000 AIC Fault Current Calc. on 11/18/24' sticker.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • Exterior antenna/sensor mast mounted on metal building wall

    A galvanized steel mast with cross-bracing and guy wires is mounted on the exterior wall of a corrugated metal building, with what appears to be monitoring equipment (possibly acoustic or meteorological sensors) at the top. Gray electrical enclosures are visible at the base of the installation.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • Electrical conduit installation at metal building exterior

    Exterior electrical installation showing EMT conduit runs supported by green conduit supports on gravel, connecting to a junction box and terminating at a service panel labeled 'Main Service Shut Off, 100A 120/240V 1-Phase.' A bare copper grounding conductor runs along the building's corrugated metal wall.
    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • PSCAA Sunset Park Air Quality Monitoring Site — April 11, 2025 (8:33 PM)

    TagsAir Quality Monitors, King County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park
  • Sunset Park – King County Parks entrance sign

    The blue entrance sign for Sunset Park, administered by King County Parks, is mounted on wooden posts along a roadway. A smaller line on the sign reads 'Park Entrance' with a directional arrow; a metal bench is visible to the left. Sunset Park is located near the Sea-Tac Airport noise-impact area in King County, Washington.
    TagsKing County, North Sea-Tac Park, NSTP, PSCAA, Sunset Park

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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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