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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.

TagAirport Development Fund(14)

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  • 2024-06-25

    SR 509, I-5 to 24th Avenue S. (Stage 1b)

    A planning rendering for SR 509, Stage 1b, showing proposed highway improvements between I-5 and 24th Avenue S. in the Kent/Des Moines area. Labeled features include new northbound and southbound I-5/SR 509 ramp connections, a new Veterans Drive I-5 undercrossing and SR 516 interchange improvements, wider sidewalks and shared use paths, and the future SoundTransit Kent/Des Moines Station along SR 99.
    TagsAirport Development Fund, Airport Expansion, Port Of SeattleFolderSR-509
  • 2020-03-24

    Resolution No. 3771: Flight Corridor Safety Program 2019 property interests

    The Port of Seattle Commission adopted Resolution No. 3771 in March 2020 to authorize the acquisition of property easements and access rights around Seattle-Tacoma International Airport as part of the 2019 Flight Corridor Safety Program. The program aims to remove trees and other obstructions that interfere with aircraft landing and takeoff corridors, in compliance with FAA requirements and state law. The Port is directed to first pursue voluntary negotiations with affected property owners, but is authorized to use eminent domain condemnation proceedings if those negotiations fail.
    TagsAirport Development Fund, Flight Corridor Safety Program, Port Of Seattle Commission, Sea-Tac Airport, TreesFolderResolutions
  • 2017-10-24

    Transfer of airport property to EDD

    This Port of Seattle document examines the financial implications of transferring airport property to the Economic Development Division (EDD). It explains that if the transferred property currently generates revenue, losing that income would likely raise the cost per passenger (CPE) for airlines, since those revenues normally offset airline fees. However, if the property was originally purchased using FAA noise grants, a portion of the sale proceeds could be reinvested as grant money, potentially reducing costs and partially offsetting the CPE increase.
    TagsAirport Development Fund, capital improvements, Economic Development Division, Port Of SeattleFolderMeetings
  • 2003-01-27

    NE Special Planning Area ~ 1/27/03

    A planning map dated 1/27/03 produced by the City of Burien, Washington, delineating the Northeast Special Planning Area (NESPA) boundary. The map shows three sub-areas (A, B, C), Miller Creek and its 100-foot buffer, wetlands and suspected wetlands, and is bounded roughly by S 138th St to the north and SR 518 to the south, adjacent to Des Moines Memorial Drive.
    TagsAirport Development Fund, Airport Layout PlansFolderNERA

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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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    "Seattle-Tacoma International Airport FAR Part 150 Study Update: Technical Appendix Two, Final Report, July 2002" — , 2002

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