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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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  • 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
  • 2026-05-15

    AMENDED CERTIFIED INDEX TO THE ADMINISTRATIVE RECORD

    The Federal Aviation Administration filed an amended certified index to the administrative record in two Ninth Circuit cases challenging the FAA's September 24, 2025, Finding of No Significant Impact/Record of Decision for near-term construction projects at Seattle-Tacoma International Airport. The cases were brought by Vashon Island Fair Skies and the City of Burien, among others, who are contesting the agency's environmental review of the airport expansion plans. The full administrative record was made available to petitioners electronically on May 8, 2026.
    TagsFAA, Federal Aviation Administration, NEPA, Ninth Circuit Court of Appeals, SAMP, SAMP Four City ILA, Vashon Island Fair Skies
  • May 15, 2025 25 7439 amended certified index to the administrative record pdf
    2026-05-15

    AMENDED CERTIFIED INDEX TO THE ADMINISTRATIVE RECORD

    The Federal Aviation Administration filed an amended certified index to the administrative record in two Ninth Circuit cases challenging the FAA's September 24, 2025, Finding of No Significant Impact/Record of Decision for near-term construction projects at Seattle-Tacoma International Airport. The cases were brought by Vashon Island Fair Skies and the City of Burien, among others, who are contesting the agency's environmental review of the airport expansion plans. The full administrative record was made available to petitioners electronically on May 8, 2026.
    TagsFAA, Federal Aviation Administration, NEPA, SAMP, Sea-Tac Airport
  • Cd9464C39116769B1F1C213A3A63Bc935C5B889E
    2024-12-06

    D.C. Circuit Court of Appeals Cracks Down on FAA Compliance with NEPA

    Posted in Aircraft, Airlines, Airport Noise and Capacity Act (ANCA), Airports, Airspace, Aviation and Airport News, California Airport Land Use Planning, California Environmental Quality Act (CEQA), California Law, Clean Air Act, Environmental, Environmental Protection Agency (EPA), Federal Aviation Administration (FAA), Federal Regulation, Litigation, National Environmental Policy Act (NEPA), Transportation On November 12, 2024, the District
    CategoriesFrom The Web TagsAviation & Airport Development Law News, Barbara Lichman, FAA, Federal Aviation Administration, Litigation
  • 2024-05-13

    National Plan of Integrated Airport Systems (NPIAS) 2019–2023

    The FAA's National Plan of Integrated Airport Systems (NPIAS) 2019–2023 is a report to Congress that outlines the federal government's framework for developing and maintaining a national network of airports eligible for federal funding. It covers planned airport infrastructure investments across the United States over a five-year period. While the report addresses airports nationwide, it does not specifically focus on noise policy or Sea-Tac Airport.
    TagsAirport Improvement Program, Airports, FAA, Federal Aviation Administration, NPIAS
  • 2020-12-01

    Administrator’s Fact Book

    The FAA Administrator's Fact Book (December 2020) is an official reference document compiled by the FAA Office of Communications outlining the agency's core mission and vision. The FAA's mission is to provide the safest and most efficient aerospace system in the world, while its vision emphasizes advancing safety, efficiency, environmental responsibility, and global leadership with accountability to the American public. This document serves as a foundational overview of FAA priorities, which directly inform federal aviation and noise policies affecting airports such as Seattle-Tacoma International Airport.
    TagsFAA, FAA Administrator, Federal Aviation Administration
  • 2020-09-30

    National Plan of Integrated Airport Systems (NPIAS) 2021–2025

    The National Plan of Integrated Airport Systems (NPIAS) 2021–2025 is a federal planning document published by the U.S. Department of Transportation's Federal Aviation Administration on September 30, 2020. It outlines the nation's airport infrastructure needs and investment priorities for a five-year period under Title 49 U.S. Code, Section 47103. While it covers the broader national airport system, it provides context for understanding federal aviation policy that can influence noise management decisions at airports like Sea-Tac.
    TagsAirport Improvement Program, Airports, FAA, Federal Aviation Administration, NPIAS
  • FAA Northwest Mountain Region offices open in Des Moines

    GSA Northwest/Arctic Region @US_GSAR10 Today (June 14, 2018), GSA and FAA officially opened the new FAA offices in Des Moines, WA. The new center consolidated four separate buildings into one saving taxpayer dollars and creating a more efficient workspace. 3:11 PM · Jun 14, 2018
    CategoriesFrom The Web TagsFAA, Federal Aviation Administration, General Services Administration, GSA, Matt Pina, Twitter
  • 2012-05-25

    Noise levels for U.S. certificated and foreign aircraft

    This FAA Advisory Circular (AC 36-1H) published in 2001 and updated in 2012 provides official noise level data for U.S.-certificated and foreign aircraft, including turbojet and propeller-driven planes tested under 14 CFR Part 36 and ICAO Annex 16 standards. Noise measurements, expressed in Effective Perceived Noise Levels (EPNdB), cover takeoff, sideline, and approach conditions and are organized across multiple appendices by aircraft type and compliance stage. The document serves as a reference for tracking progress in aircraft noise reduction and supports noise policy decisions at airports across the United States.
    Tagsaircraft, FAA, Federal Aviation Administration, ICAO, Noise
  • 2008-01-01

    Compilation of Airport Law Resources

    A comprehensive legal research digest that compiles and indexes airport law resources for attorneys and administrators. It provides a bibliography of federal resources, statutory materials, regulations, case law, and secondary sources related to airport legal issues including topics like eminent domain, environmental concerns, leasing, contracting, security, and liability.
    CategoriesResources TagsAirport Cooperative Research Program, Airport Improvement Program, Airport Law, Airport Law Digest, Federal Aviation Administration, National Academies of Sciences, NEPA, Transportation Research Board

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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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