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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.

Category : Key Documents(137)

The (137) files, images and basic information we refer to constantly from the Document Library and Resources pages.

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  • The Airport Law Cheat Sheet

    ★ 31
    It’s complicated I. Noise & Land Use Compatibility Aviation Safety & Noise Abatement Act (ASNA, 1979 / effective 1980) Foundation for standardized aircraft-noise metrics and land-use guidance; statutory basis for Part 150 NEM/NCP. faa.gov 49 U.S.C. §§ 47501–47510 — Airport Noise & Capacity Act (ANCA, 1990) National noise policy; authority for airport noise programs and
    CategoriesKey Documents Tagsbeta
  • 1968-07-01

    Building the Seattle-Tacoma Air Gateway

    ★ 31
    A 1968 report analyzing the development of Seattle-Tacoma International Airport as an air transportation hub. The document examines air traffic growth patterns, airline service routes, and the evolution of commercial aviation at Sea-Tac from 1958-1967, showing dramatic increases in passengers, cargo, and aircraft movements.
    CategoriesHistory, Key Documents TagsAirline Industry, Airport, Airport Expansion, Aviation Committees, Port Of Seattle
  • 2025-09-01

    Finding of No Significant Impact/Record of Decision for the Sustainable Airport Master Plan Near-Term Projects at the seattle-tacoma international airport

    ★ 32
    FAA’s Finding of No Significant Impact and Record of Decision for the Sustainable Airport Master Plan Near-Term Projects at Seattle-Tacoma International Airport. The document provides final agency determinations and approvals for federal actions necessary to implement 31 near-term improvement projects addressing efficiency, safety, and passenger processing needs at SEA.
    CategoriesKey Documents TagsFAA, FONSI, NEPA, SAMP, Sea-Tac Airport
  • SEA-SIRRPP Technical Report Assessment

    ★ 32
    CategoriesKey Documents TagsPort Packages, SIRRPP, Sound Insulation
  • 2025-06-01

    The Gift of Public Funds Bogeyman

    ★ 32
    The authors, including Washington’s Solicitor General, Noah Purcell, reveal how the “gift of public funds” doctrine has become a false barrier for government assistance to communities. For decades, agencies like the Port of Seattle have wrongly claimed that matching requirements, narrow purposes, and small amounts are requirements of the State Constitution although there is absolutely
    CategoriesKey Documents, News Stories TagsGift of Public Funds, Grants, RCW53, Washington Law Review
  • 2024-10-21

    SAMP Draft EA

    ★ 32
    Draft NEPA Environmental Assessment (EA) The draft EA presents the purpose and need for the Proposed Action, analysis of reasonable alternatives, including the No Action Alternative, discussion of environmental impacts, and supporting appendices. For ease of access, the draft EA document has been divided into the chapters and appendices listed below. It is recommended that
    CategoriesKey Documents
  • 2024-05-16

    FAA Reauthorization Act of 2024

    ★ 32
    The FAA Reauthorization Act of 2024 (Public Law 118-63) is a comprehensive federal law signed on May 16, 2024, that reauthorizes and updates the Federal Aviation Administration and civil aviation programs across the United States. The Act covers a wide range of topics including aviation safety improvements, aerospace workforce development, cybersecurity, and organizational reforms within the FAA. While the law addresses airport planning and noise compatibility programs, it does not focus specifically on noise policy at individual airports such as Sea-Tac.
    CategoriesKey Documents, Legislation TagsFAA Reauthorization
  • Port Commission Order #2024-04 Sound Insulation Repair and Replacement Pilot Program (SIRRPP)

    ★ 32
    Taken from February 27, 2024 Port Commission Meeting Agenda
    CategoriesKey Documents TagsHamdi Mohamed, Port Packages, SIRRPP
  • 2023-11-15

    Federal Register Policy on Definition of Aeronautical Activities

    ★ 32
    The FAA proposed updating its definition of 'aeronautical activity' to include unmanned aircraft systems (UAS), advanced air mobility (AAM), and commercial space launch operations, meaning federally obligated airports must provide non-discriminatory access to these emerging technologies. The policy clarifies that while these new operations qualify for airport access, the FAA retains authority to assess safety risks and set conditions for accommodating them. Recreational UAS, model aircraft, and model rockets are explicitly excluded from the updated definition.
    CategoriesKey Documents, Legislation TagsAdvanced Air Mobility, AIP, Airport, Airport Improvement Program, Airports, Federal Aviation Administration
  • CACC Final Report 2023

    ★ 32
    CACC issues its final report The Commercial Aviation Coordinating Commission (CACC) voted on a final recommendation for its final report at the last CACC meeting June 9. That recommendation was to use the results of a Spring 2023 CACC survey as the final report. The report has the survey results and comments for the upcoming
    CategoriesKey Documents TagsCACC, Commercial Aviation Coordinating Commission, Second Airport

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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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Subscribe to the only podcast devoted to helping people under the flight path everywhere. It’s definitely not just about noise!

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