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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 Layout Plans(23)

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  • 2025-11-18

    Port of Seattle Regular Commission Meeting November 18, 2025

    ★
    This document is the agenda for the Port of Seattle Regular Commission Meeting held on November 18, 2025, covering routine administrative and operational matters such as claims approvals, lease amendments, and salary resolutions. The meeting was held both in person at Seattle-Tacoma International Airport and virtually via Microsoft Teams. No noise policy items are specifically addressed in this agenda; the document primarily concerns Port facility management, budget authorizations, and employee compensation.
    CategoriesKey Documents, Meetings TagsAirbus, Airport, Airport Committees, Airport Development Fund, Airport Layout Plans, Port Of Seattle
  • 2025 11 18 RM Packet Pdf
    2025-11-18

    Port of Seattle Regular Commission Meeting November 18, 2025

    ★
    Port of Seattle Commission meeting agenda for November 18, 2025, including executive session, public comment procedures, consent agenda items covering various airport and port operations including baggage control services, lease amendments, elevator modernization, and salary resolutions.
    CategoriesKey Documents, Meetings, Regular Events TagsAirbus, Airport, Airport Committees, Airport Development Fund, Airport Layout Plans, Port Of Seattle
  • 2025-10-28

    2026 Airfield Work Areas Layout Plan

    ★
    A color-coded site plan map of Seattle-Tacoma International Airport showing 13 designated 2026 Airfield Work Areas, including Runway 16C-34C reconstruction (blue), Taxiways N and Z improvements (orange), and multiple cargo area utility and rapid-set projects. The map identifies contractor staging areas, Olympic Road, Cascade Road, Airport Expressway, and Pacific Road as geographic references.
    CategoriesKey Documents Tags1st Runway, Airport, Airport Expansion, Airport Layout Plans, Airport Maintenance Technology Magazine
  • 2025-10-28

    Snow Storage Expansion Phase II by Lagoon 3

    ★
    Aerial satellite map of O'Hare International Airport showing two annotated snow storage areas: 'Completed Snow Storage Expansion Phase I' along the south airfield and 'Snow Storage Expansion Phase II by Lagoon 3' on the west side, with green arrows indicating access routes between locations.
    CategoriesKey Documents TagsAirport, Airport Expansion, Airport Layout Plans, Port Of Seattle
  • 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
  • 2024-10-08

    Port of Seattle Order No. 2024-12 – North SeaTac Park for Recreational Use

    ★
    The Port of Seattle Commission issued Order No. 2024-12 in October 2024, directing its Executive Director to take the steps necessary under Section 706 of the 2024 FAA Reauthorization Act to permanently designate the 55-acre North SeaTac Park for recreational and public park use. The order requires the development of legally binding frameworks, a preferred protection methodology reported to the Commission by Q2 2025, and at least $150,000 in the 2025 budget for park improvements in partnership with the City of SeaTac. This action aims to ensure the park remains a permanent community and ecological asset, shielded from future aeronautical or commercial redevelopment.
    CategoriesKey Documents, Legislation TagsAirport, Airport Committees, Airport Impacted Communities Act, Airport Layout Plans, Legislation, Port Of Seattle
  • 2020 01 28 SM 8A 1 Pdf
    2020-01-28

    Commission Agenda Memorandum – Flight Corridor Safety Program 2019 contracts, agreements, and real property interests

    ★
    Port of Seattle commission agenda item requesting authorization for the Executive Director to execute contracts and agreements related to the Flight Corridor Safety Program 2019, including removal of flight path obstructions, tree replanting, and property rights acquisition. The total cost estimate is $5,895,000 for a total project cost of $8,500,000.
    CategoriesKey Documents TagsAir Rights, Airport, airport issues, Airport Layout Plans, Port Of Seattle
  • 2004-05-03

    Record of Approval – Bradley International Airport FAR Part 150 Noise Compatibility Program

    ★
    FAA Record of Approval for Bradley International Airport’s Part 150 Noise Compatibility Program, detailing approved and disapproved noise abatement and land use compatibility measures. The program includes 17 measures comprising 2 noise abatement measures, 10 land use compatibility measures, and 5 continuing program measures.
    CategoriesKey Documents TagsAir Traffic Control, Airport, Airport Improvement Program, Airport Layout Plans, Airport Noise Law
  • 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.
    CategoriesKey Documents TagsAirport Development Fund, Airport Layout Plans
  • 1985-01-25

    Resolution No. 2943 – Updated Noise Remedy Program

    ★ 32
    Resolution No. 2943 was adopted by the Port Commission of the Port of Seattle to update the Noise Remedy Program for Sea-Tac International Airport, replacing the earlier noise remedy element from the 1976 Sea-Tac Communities Plan. The resolution authorizes property acquisition in high-noise areas, implementation of nine noise abatement measures, and a Demonstration Project (budgeted at up to $1 million) to test alternatives to acquisition such as noise insulation and transaction assistance for affected homeowners. Priority for remedies is given based on noise intensity, length of residency, and financial hardship, with annual progress reports required to guide ongoing program evaluation.
    CategoriesKey Documents, Legislation TagsAirport Impacted Communities Act, airport issues, Airport Layout Plans, Airport Noise Law, Airport Noise Remedy Update

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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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