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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.

TagAirspace Study(22)

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  • SEPA Flight Corridor Mgmt Program Checklist November 6, 2025 REV Signed 1 Pdf
    2025-10-22

    Programmatic Environmental Checklist – Seattle-Tacoma International Airport (SEA) Flight Corridor Management Program

    ★
    Environmental checklist for the Port of Seattle’s Flight Corridor Management Program at SEA, which involves regular identification and removal of tree obstructions to maintain compliance with FAA flight corridor regulations. The program operates on approximately five-year implementation cycles.
    CategoriesKey Documents TagsAir Traffic Control, Airport, Airport Improvement Program, Airport Layout Plans, Airspace Study, Port Of Seattle
  • 1982-07-27

    Detailed Analysis of Airspace Interactions – Chapter 6

    ★ 33
    Technical analysis of airspace interactions between Sea-Tac Airport and Boeing Field, examining runway capacity models, aircraft delay calculations, and the effects of airspace interactions on airport operations. The document presents detailed capacity and delay calculations using computerized models.
    CategoriesKey Documents TagsAir Traffic Control, Airport, Airport Expansion, Airspace Study, Peat Marwick Mitchell
  • 1981-10-16

    Zone III Committee Response to Airspace Study Advisory Committee Invitation

    ★
    Letter from Jean Pihlman, Coordinator of Zone III Committee, accepting invitation to participate in the Port of Seattle’s Airspace Study Advisory Committee. The committee designates Jean Pihlman as representative and Virginia Dana as alternate, offering cooperation for the study completion.
    CategoriesHistory, Key Documents TagsAdvisory Committees, Airspace Study, letter, Zone 3 Committee
  • 2025-02-20

    FAA JO7400.2R Handling Airspace Matters

    FAA Order JO 7400.2R, effective February 20, 2025, sets out procedures for managing U.S. airspace, covering topics such as objects affecting navigable airspace, airport airspace analysis, terminal and en route airspace, special use airspace, and laser and rocket operations. The order updates policies related to surveillance facilities and airport proposals to reflect modern, contractor-supported National Airspace System technologies. Note that this document addresses broad national airspace management procedures and does not specifically cover Sea-Tac Airport noise policy.
    TagsAir Traffic Control, Airspace Study, FAA, Federal Register, NEPA
  • 7400.2r bsc w chg 1 and 2 dtd 1 22 26 final pdf
    2025-02-20

    FAA JO7400.2R Handling Airspace Matters

    FAA Order JO 7400.2R, effective February 20, 2025, sets out procedures for managing U.S. airspace, covering topics such as objects affecting navigable airspace, airport airspace analysis, terminal and en route airspace, special use airspace, and laser and rocket operations. The order updates policies related to surveillance facilities and airport proposals to reflect modern, contractor-supported National Airspace System technologies. Note that this document addresses broad national airspace management procedures and does not specifically cover Sea-Tac Airport noise policy.
    TagsAir Traffic Control, Airspace Study, FAA, Federal Register, NEPA
  • 2023-08-14

    FAA Jet Route Chart Centered on Seattle-Tacoma Area – 14/2202z

    A National Weather Service (NWS)-branded interactive aviation map showing FAA high-altitude jet routes (J-routes) radiating from a central fix near Seattle-Tacoma International Airport (Sea-Tac), with surrounding cities including Seattle, Bellevue, Renton, Kent, Tacoma, and Olympia visible. The map is timestamped 14/2202z and displays multiple labeled jet airways (J20, J34, J90, J523, etc.) overlaid on a terrain basemap of the greater Puget Sound region.
    TagsAir Traffic Control, Airspace Study, FAA, Map, Sea-Tac Airport
  • 2023-03-07

    Aircraft noise mitigation study and plan: The City of Alexandria, VA

    This 2023 study, prepared by aviation consulting firm Vianair for the City of Alexandria, Virginia, assesses aircraft noise impacts on communities south of Ronald Reagan Washington National Airport (DCA) and proposes solutions acceptable to the FAA. The work involves analyzing historical flight operations and noise exposure data from 2014–2019, examining changes in flight paths and procedures, and developing recommendations to reduce noise for residents in Alexandria, Fairfax County, and Prince George's County. The findings are intended to be accessible to the general public and local policymakers, not just aviation experts.
    TagsAirspace Study, FAA, Noise Mitigation, Reagan National Airport, Vianair
  • Vianair proposal alexandria 20 042 03 07 2023 final signed pdf
    2023-03-07

    Aircraft noise mitigation study and plan: The City of Alexandria, VA

    This 2023 study, prepared by aviation consulting firm Vianair for the City of Alexandria, Virginia, assesses aircraft noise impacts on communities south of Ronald Reagan Washington National Airport (DCA) and proposes solutions acceptable to the FAA. The work involves analyzing historical flight operations and noise exposure data from 2014–2019, examining changes in flight paths and procedures, and developing recommendations to reduce noise for residents in Alexandria, Fairfax County, and Prince George's County. The findings are intended to be accessible to the general public and local policymakers, not just aviation experts.
    TagsAirspace Study, FAA, Noise Mitigation, Reagan National Airport, Vianair
  • tracon-uRw2a

    Diagram illustrating the FAA's layered air traffic control system, showing the handoff of aircraft between Tower (airport), TRACON (Terminal Radar Approach Control), and En Route Center facilities. The graphic depicts a flight path arc from departure to arrival, with corresponding ground facility silhouettes for each control segment.
    TagsAir Traffic Control, Airspace Study, En Route Center, FAA, TRACON
  • 2019-02-01

    Regional Aviation Baseline Study

    The Puget Sound Regional Council launched a two-year Regional Aviation Baseline Study, funded by a $1.6 million FAA grant, to assess the aviation system across King, Pierce, Snohomish, and Kitsap counties. The study examined existing airport roles, economic contributions, airspace capacity, and community impacts to build a technical foundation for future regional aviation planning decisions. Conducted in phases from 2019 to 2020, the study included stakeholder engagement, public meetings, and a final report outlining strategies for accommodating future aviation demand in the central Puget Sound region.
    CategoriesMeetings TagsAirspace Study, Aviation Baseline Study, PSRC, Puget Sound Regional Council, Regional Aviation Baseline Study

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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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