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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.

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  • 2024-09-07

    Aircraft On Approach Over Undeveloped Scrubland Near Airport

    A commercial aircraft is visible on final approach in the hazy sky above an overgrown, undeveloped parcel with gravel ground cover and scattered shrubs and trees. The proximity of the low-flying aircraft and the disturbed, vacant land character are consistent with property in the flight path corridor near a major airport.
    Tagsaircraft, Des Moines, Land, Sea-Tac AirportFolderDes Moines
  • 2024-01-05

    Community Input on Port Of Seattle Draft Final Land Stewardship Plan

    A community member submitted detailed feedback to Port of Seattle officials on January 5, 2024, reviewing the Draft Final Land Stewardship Plan (LSP) for Seattle-Tacoma International Airport. The letter argues that the plan falls short of the Port's own adopted Environmental Land Stewardship Principles, particularly regarding equity, environmental justice, and restoration of habitats degraded by past Port actions. The writer urges Port decision-makers to strengthen the plan by embedding equity goals across all objectives, expanding the definition of land stewardship to include restoration, and better addressing the historical health, noise, and environmental burdens borne by communities living near the airport.
    TagsDefenders Of Highline Forest, Environmental Justice, Land, North Sea-Tac Park, Port Of SeattleFolderDefenders of Highline Forest
  • 2023-11-07

    Port Of Seattle 2021 Land Cover Classifications Map — Sea-Tac Airport Aviation Properties

    Figure E-1 from a Port of Seattle document depicting 2021 land cover classifications for Port-owned aviation properties at Seattle-Tacoma International Airport (SEA) and an Auburn Property inset. Land cover categories include forest, grass, shrub, water, developed/impervious surfaces, and buildings, based on 2021 King County aerial imagery and USGS National Land Cover Database 2019.
    TagsKing County, Land, Map, Port Of Seattle, Sea-Tac AirportFolderLand Stewardship Plan
  • 2023-11-01

    Final Land Stewardship Plan

    The Port of Seattle's Final Land Stewardship Plan (November 2023) outlines a framework for managing and improving the natural lands surrounding Seattle-Tacoma International Airport (SEA), covering ecological inventory, land use assessment, and stewardship recommendations across defined management units. The plan establishes priorities for habitat preservation, tree canopy protection, and community equity considerations in relation to airport operations. It was developed collaboratively by Port of Seattle staff across aviation, seaport, and real estate divisions, along with environmental consulting firm Anchor QEA, LLC.
    TagsAnchor QEA, Environment, Land, Port Of Seattle, Sea-Tac AirportFolderLand Stewardship Plan
  • 2023-11-01

    Draft final land stewardship plan

    The Port of Seattle's Draft Final Land Stewardship Plan (November 2023) outlines a framework for managing and improving the natural lands surrounding Seattle-Tacoma International Airport (SEA), including ecological assessments, tree canopy policies, and habitat stewardship recommendations. The plan identifies management units across Port-owned properties, evaluates their ecological conditions, and prioritizes conservation and restoration actions. It also considers equity and community access, aiming to balance airport operational needs with environmental sustainability goals.
    TagsAnchor QEA, Environment, Land, Port Of Seattle, Sea-Tac AirportFolderLand Stewardship Plan
  • 2023-08-28

    Location Map: King County, WA (File No. 985481)

    This is a parcel map prepared by First American Title Insurance Company for File No. 985481, identifying land located in King County, Washington. The map provides a general geographic orientation of one or more parcels in the area, encompassing subdivisions such as Havenwood No. 1, Kennedy's Addition, Viva Dell, and Mayvale No. 2. The document is not intended to serve as a legal survey and carries an express disclaimer of liability for any reliance on its contents.
    TagsDes Moines, Hillgrove Cemetery, King County, Land, MapFolderHillgrove Cemetery
  • 2023-08-28

    ALTA Commitment for Title Insurance (8-1-16) — First American Title Insurance Company, File No. NCS-985481-WA1

    This is a 2016 ALTA Commitment for Title Insurance issued by First American Title Insurance Company (File No: NCS-985481-WA1) for a property in Washington State. The document outlines the company's offer to issue title insurance policies, subject to specific requirements and conditions, and defines the terms under which coverage would be provided. It includes standard commitment conditions covering definitions, limitations of liability, arbitration provisions, and the rights and obligations of all parties involved in the title insurance process.
    TagsHillgrove Cemetery, Land, Legal, Property Rights, Real Estate, WashingtonFolderHillgrove Cemetery
  • 2001-06-22

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

    Aerial photograph showing large-scale earthwork and grading operations adjacent to what appears to be an airport runway (visible at top). The scene includes rectangular water/sedimentation basins at lower left, heavy equipment, disturbed soil, and surrounding residential and forested areas consistent with airport expansion or noise mitigation land acquisition activity.
    TagsAirport Expansion, Construction, Land, Sea-Tac AirportFolderWatershed Aerial Photos
  • 2001-06-22

    Aerial View of Land Clearing and Grading Operations Near Highway

    Aerial photograph showing active land clearing and grading operations adjacent to a multi-lane highway (visible at right), with a commercial building and parking lot visible in the upper center. The site shows exposed soil, construction equipment, dirt access roads, and surrounding forested areas consistent with pre-development site preparation, potentially related to airport noise buffer land acquisition or compatible land use development.
    TagsAirport Expansion, Construction, Land, Land Use, Sea-Tac Airport, SR509FolderWatershed Aerial Photos
  • 2001-06-22

    Aerial View of Cleared Parcel Near Suburban Area with Puget Sound in Background

    Aerial photograph showing a large cleared/graded parcel in the foreground with gravel or compacted earth surfaces, adjacent to vegetated open space with a small pond or retention basin. A suburban residential and commercial area is visible in the background, with what appears to be a large body of water (likely Puget Sound) on the horizon, consistent with the greater Seattle/Sea-Tac region.
    TagsLand, Puget Sound, 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...]


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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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