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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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  • 2020-02-25

    Motion 2020-04: A motion of the Port Of Seattle Commission directing the acceleration of the sound insulation program at Seattle-Tacoma International Airport

    In February 2020, the Port of Seattle Commission adopted Motion 2020-04, directing the Executive Director to accelerate the sound insulation program at Seattle-Tacoma International Airport and complete it no later than 2026. The motion calls for appropriate staffing, funding, and contracting to deliver the program on time, with regular progress updates to the Commission's Aviation Committee. The Port is also directed to coordinate with other public agencies to ensure the program complements, rather than duplicates, existing efforts related to low-income housing and energy upgrades.
    TagsPart 150, Port Of Seattle Commission, Sea-Tac Airport, Sound InsulationFolderResolutions
  • 2020-02-25

    Flight Corridor Safety Program 2019 real property – Introduction of Resolution 3771

    The Port of Seattle Commission is introducing Resolution 3771 to support the Flight Corridor Safety Program 2019, which involves removing trees near Seattle-Tacoma International Airport that obstruct FAA-designated flight approach and departure paths. The program seeks to acquire permanent easements on private properties to prevent future obstructions and ensure ongoing compliance with FAA regulations and the airport's operating certificate. If voluntary negotiations with property owners fail, the Port is authorized to pursue condemnation as a last resort to secure the necessary property rights.
    TagsFAA, Flight Corridor Safety Program, Port Of Seattle Commission, Sea-Tac Airport, TreesFolderResolutions
  • 2020-02-25

    Port of Seattle Commission agenda – February 25, 2020

    The Port of Seattle Commission held a regular meeting on February 25, 2020, at Seattle-Tacoma International Airport, covering a range of airport and maritime topics. Key noise-related items included a Noise Programs Briefing and Motion 2020-04, which directed the acceleration of the sound insulation program at Sea-Tac Airport. Additional agenda items addressed airport infrastructure, security upgrades, and the Sustainable Airport Master Plan Environmental Review.
    TagsPort Of Seattle, Port Of Seattle Commission, SAMP, Sea-Tac AirportFolderMeetings
  • 2020-02-21

    City of SeaTac zoning map

    This is the official zoning map for the City of SeaTac, Washington, prepared in February 2020, showing land-use classifications across the city. It covers a range of zones including low-, medium-, and high-density residential areas, commercial and industrial districts, aviation-related zones, and parks, alongside overlay districts and special boundaries such as the Urban Center and Angle Lake Station Area. The map also depicts infrastructure features including light rail stations, the Seattle-Tacoma International Airport footprint, and planned future rights-of-way for SR-509.
    TagsCity Of SeaTac, Land Use, Map, Sea-Tac Airport, Sound TransitFolderSeaTac
  • Center Runway Reconstruction

    The Port of Seattle completed reconstruction of the center runway (designated as 16C/34C) at Seattle-Tacoma International Airport in 2015. The runway was originally built in 1969 and had some brief closures during 2016 in order to complete adjoining projects with taxiways and blast pads. The project included installation of a new LED runway lighting system and an
    CategoriesFrom The Web, History TagsHistory, Port Of Seattle, Runways, Sea-Tac Airport
  • SEA Airport Approaches Capacity and Faces Difficult Decisions

    Steinbrueck, Peter The Puget Sound Regional Council (PSRC) recently published preliminary findings of an air capacity study that shows what Port leadership and the traveling public have known for a while — the region is rapidly approaching a crisis. Seattle-Tacoma  International Airport (SEA) has one of the smallest footprints of any major airport in the
    CategoriesFrom The Web TagsCapacity, Peter Steinbreuck, Port Of Seattle, Sea-Tac Airport
  • 2020-01-22

    StART Noise Working Group update

    This January 2020 update from the Sea-Tac Stakeholder Advisory Round Table (StART) Noise Working Group covers three main areas: a Ground Noise Study collecting 2019 operations data from airlines, an Aircraft Departure Profiles Analysis showing that the 'distant departure' procedure reduces noise the most for nearby communities, and a Late Night Noise Limitation Program identifying EVA Air, FedEx Express, and China Airlines Cargo as the carriers with the most noise violations in Q4. The study was scheduled to produce a final report with mitigation options by October/November 2020. The update was presented at the Highline Forum on January 22, 2020.
    TagsHighline Forum, Port Of Seattle, Sea-Tac Airport, StARTFolderHighline Forum 2017
  • 2020-01-15

    Billing Backup for City Shares of Lockridge Grindal Nauen Invoices for Sea-Tac Airport SAMP Review

    The City of Burien, Washington managed billing for a joint legal consulting contract with Lockridge Grindal Nauen PLLP to review the Sea-Tac Airport Sustainable Airport Master Plan (SAMP) on behalf of four cities: Burien, Des Moines, Normandy Park, and SeaTac. The $175,000 contract was funded proportionally based on each city's population at approximately $1.50 per capita, with costs shared across eight invoices between September 2018 and January 2020. As of the most recent billing, approximately $88,879 of the total contract had been billed, leaving roughly $86,121 remaining.
    TagsCity of Burien, Interlocal Agreement, Lockridge Grindal Nauen, SAMP, Sea-Tac AirportFolderPDR26-042 Burien
  • Scannedimage 14.tif pdf
    2020-01-15

    Billing Backup for City Shares of Lockridge Grindal Nauen Invoices for Sea-Tac Airport SAMP Review

    The City of Burien, Washington managed billing for a joint legal consulting contract with Lockridge Grindal Nauen PLLP to review the Sea-Tac Airport Sustainable Airport Master Plan (SAMP) on behalf of four cities: Burien, Des Moines, Normandy Park, and SeaTac. The $175,000 contract was funded proportionally based on each city's population at approximately $1.50 per capita, with costs shared across eight invoices between September 2018 and January 2020. As of the most recent billing, approximately $88,879 of the total contract had been billed, leaving roughly $86,121 remaining.
    TagsCity of Burien, Interlocal Agreement, Lockridge Grindal Nauen, SAMP, Sea-Tac AirportFolderPDR26-042 Burien
  • 2020-01-15

    City of Burien Billing Backup for City Shares of Lockridge Grindal Nauen Invoices for Sea-Tac Airport SAMP Review

    This document details billing records for the City of Burien, Washington, related to the Sea-Tac Airport Sustainable Airport Master Plan (SAMP) environmental review. Four cities — Burien, Des Moines, Normandy Park, and SeaTac — jointly hired law firm Lockridge Grindal Nauen PLLP under a $175,000 contract, with each city's share calculated at approximately $1.50 per capita. Through eight invoices spanning 2018 to early 2020, a total of $88,879.33 had been billed, leaving a remaining balance of $86,120.67.
    TagsCity of Burien, Interlocal Agreement, Lockridge Grindal Nauen, SAMP, Sea-Tac AirportFolderPDR26-042 Burien

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Upcoming Events

  • 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

    [...]

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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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