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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.

TagAIP(62)

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  • 2011-12-01

    Airport Compatible Land Use Program Update

    Puget Sound Regional Council (PSRC) Airport Compatible Land Use Program Update, December 2011, prepared by Mead & Hunt. Financed in part through FAA planning grant AIP 3-53-5301-02 under Section 505 of the Airport and Airway Improvement Act of 1982. Covers Washington State airport compatible land use history under the Growth Management Act (GMA), WSDOT Land
    TagsAIP, FAA, Land Use, property, PSRC, Puget Sound Regional CouncilFolderStudiesStudy TopicsEconomics, Noise, Property
  • 2009-09-30

    FAA airport compliance manual

    The FAA Airport Compliance Manual (Order 5190.6B), effective September 30, 2009, provides guidance to FAA personnel on ensuring that airport sponsors meet their federal obligations when they accept federal funds or property for airport purposes. It analyzes grant assurances, surplus property conditions, and other legal commitments that airports must uphold, and outlines the compliance program's objectives, responsibilities, and enforcement procedures. The manual is administered by the FAA's Airport Compliance Division and serves as the authoritative reference for interpreting and managing airport sponsor obligations nationwide.
    TagsAIP, Airport Law, FAA, ManualFolderFAA
  • 2009-07-01

    Washington Aviation System Plan: Long-Term Air Transportation Study

    The Washington Aviation System Plan is a Long-Term Air Transportation Study published in July 2009 by the Washington State Department of Transportation (WSDOT Aviation), partially funded by an FAA planning grant and Washington State grants. It was developed in collaboration with a consulting team including SH&E, WHPacific, URS Corp., PRR, and Cambridge Systematics, with input from airport sponsors and a Technical Advisory Committee. The plan examines Washington State's aviation system needs and future development, though its contents do not represent official FAA policy or commitments to specific development projects.
    TagsAIP, FAA, Washington Aviation System Plan, WASP, WSDOTFolder2009
  • 2006-03-30

    Sea-Tac International Airport acoustical insulation AIP project no. 3-53-0062-77 financial statement

    The Federal Aviation Administration approved a total grant payment of $4,935,000 to the Port of Seattle for AIP Project Number 3-53-0062-77, covering acoustical insulation work at Seattle-Tacoma International Airport. Out of $6,476,538.99 in claimed costs, $6,168,750.00 was deemed allowable after disallowing $307,788.99, with the federal share set at 80%. The Port of Seattle submitted closeout documentation in March 2006, though a Circular A-133 audit by Deloitte & Touche and final acoustic test results for Seawind Condominiums were still pending completion at the time of closure.
    TagsAIP, FAA, Port Of Seattle, Sea-Tac Airport, Sound InsulationFolderSP #1
  • 2003-08-26

    Request for authorization to implement sound insulation of 98 single family residences in the 2010 65 DNL noise contour

    In September 2003, the Port of Seattle Commission considered authorizing a $3.69 million program to sound-insulate 98 single-family homes near Sea-Tac Airport that fell within the projected 2010 65 DNL noise contour and were built before local noise codes took effect. The project, stemming from a 1997 Environmental Impact Statement related to the airport's third runway, aimed to reduce interior noise levels by at least 5 decibels in eligible homes in Des Moines and unincorporated King County. Funding was to come primarily from federal Airport Improvement Program grants (80%), with the remainder drawn from the Airport Development Fund, and homeowners were required to grant the Port an avigation easement in exchange for the insulation work.
    TagsAIP, Noise Remedy Program, Port Of Seattle, RCAA, Sound Insulation, Third RunwayFolderRCAA
  • 1998-12-28

    Airport Improvement Program: FAA complying with requirement for local involvement in noise mitigation projects

    A 1998 U.S. General Accounting Office report examined whether the FAA was required to enforce a policy mandating written declarations of local support before awarding noise mitigation grants to Seattle-Tacoma International Airport. The report found that while FAA policy called for such written declarations from affected cities and counties, neither federal law nor FAA regulations legally required them. FAA officials maintained they still met the broader statutory requirement of ensuring noise mitigation projects were consistent with local plans.
    TagsAdam Smith, AIP, Airport Improvement Program, FAA, Federal Grant Assurance C.6, GAO, Noise Mitigation, Port PackagesFolderFederal
  • 1998-01-01

    MAC Part 150 Residential Sound Insulation Program: 1992–1997 Completion & Funding Summary

    The MAC Part 150 Residential Sound Insulation Program completed sound insulation work on 3,673 homes near Minneapolis-St. Paul International Airport between 1992 and 1997, at a total cost of $76.6 million. Funding came from two sources: $28.7 million in FAA Airport Improvement Program (AIP) grants and $48.6 million in MSP Passenger Facility Charges (PFC). The program grew significantly over its six-year run, peaking in 1996 with 1,002 homes insulated at a cost of $20.7 million.
    TagsAIP, Noise Mitigation, Part 150, Passenger Facility Charges, Sound InsulationFolderMinneapolis
  • 1990-01-08

    SeaTac noise projects

    Since 1982, Seattle-Tacoma Airport (Sea-Tac) has received 13 federal AIP grants totaling over $50 million to acquire approximately 750 noise-impacted land parcels near the airport. In addition, four federal grants totaling over $7 million have funded a noise insulation program that has treated 323 homes, with further funding of $3.2 million per year requested to insulate roughly 175 additional houses annually over the next four years.
    TagsAIP, Airport Improvement Program, FAA, FAA Northwest Mountain Region, Port Packages, Sound InsulationFolderFAA
  • 1988-09-08

    Resolution No. 3035: Authorization to accept FAA grant offer for AIP Project No. 3-53-0062-19

    In September 1988, the Port of Seattle Port Commission passed Resolution No. 3035, authorizing the acceptance of a Federal Aviation Administration grant (AIP Project No. 3-53-0062-19) to fund development work at Sea-Tac International Airport. The project included construction of Taxiway A-3/4, installation of an electrical duct bank and broadramp centerline lights, and widening of Taxiways B-2 and A-1. The resolution directed the Executive Director to sign the grant agreement on the Port's behalf, provided it was reviewed and approved by the Aviation Division and Legal Department.
    TagsAIP, FAA, Port Of Seattle, Sea-Tac Airport, TaxiwaysFolderGrant Programs
  • 1985-09-24

    Resolution No. 2974: Authorization to accept FAA grant offer for AIP Project No. 3-53-0062-10

    In September 1985, the Port of Seattle's Port Commission passed Resolution No. 2974, authorizing acceptance of a Federal Aviation Administration grant (AIP Project No. 3-53-0062-10) to fund land acquisition and relocation of residents in the extended clear zone around Seattle-Tacoma International Airport. The grant agreement, issued under Contract No. DOT-FA85NM-0062, covered nine specific land parcels (J-54, J-56, J-114, J-141, J-144, J-146, J-149, J-150, and J-151) adjacent to the airport. The resolution directed the Port's Executive Director to execute the agreement on the Port's behalf, provided it met FAA standard form requirements.
    TagsAIP, Buyouts, FAA, Port Of Seattle, Port Of Seattle Commission, Sea-Tac AirportFolderResolutions

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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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