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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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  • 2025-12-07

    National Defense Authorization Act for Fiscal Year 2026

    ★
    This document is the National Defense Authorization Act for Fiscal Year 2026, a proposed federal law organizing defense spending and policy across eight divisions covering the Department of Defense, Military Construction, Department of Energy, and other areas. It outlines procurement authorizations for Army, Navy, and Air Force programs, including rules on aircraft, submarines, and unmanned vessels. This legislation does not address airport noise policy and is unrelated to Sea-Tac Airport or regional aviation noise regulations.
    CategoriesKey Documents TagsAdam Smith, Department of Defense, National Defense Authorization Act, Sound Insulation
  • 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

    Port of Seattle Regular Commission Meeting November 18, 2025

    ★
    2025 11 18 RM Packet Pdf
    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
  • 2025-11-18

    Port of Seattle Resolution No. 3840 – Property Tax Levy Authorization

    ★
    Port of Seattle Commission resolution authorizing a property tax levy of $90,180,054 for calendar year 2026, representing a 2.0% increase from the previous year’s budgeted amount of $88,389,944. The resolution specifies the levy rate of approximately $0.0998 per thousand of assessed value.
    CategoriesKey Documents TagsAirport Development Fund, Port Of Seattle
  • 2025-11-18

    Burien Airport Committee Meeting Agenda – November 18, 2025

    ★
    The Burien Airport Committee held meetings in October and November 2025 to discuss issues related to Seattle-Tacoma International Airport, including updates on a multi-city interlocal agreement, a Port package letter, and the FAA's finding of non-significance on the NEPA study for the Sustainable Airport Master Plan (SAMP). The committee also addressed legislative priorities, community engagement strategies, and coordination with neighboring cities such as Des Moines regarding airport noise and expansion concerns. Members voted to invite a SEPA process representative to a future meeting to further discuss potential impacts on the surrounding community.
    CategoriesKey Documents, Meetings TagsAirport Committees, BAC, bac_2025_11_18
  • 2025-11-18

    Port of Seattle Resolution No. 3840 – Property Tax Levy Authorization

    ★
    Port of Seattle Resolution No. 3840 authorizing a property tax levy of $90,180,054 for calendar year 2026, representing a 2.0 percent increase from 2025. The resolution was adopted following public hearings and consideration of the Port’s budget requirements.
    CategoriesKey Documents TagsAirport Development Fund, Port Of Seattle
  • 2025-11-11

    Introduction & Public Hearing of the Preliminary 2026 Budget

    ★
    Port of Seattle presentation introducing the preliminary 2026 budget for public hearing. The document outlines changes made after the preliminary budget publication, including Aviation Division expense and revenue adjustments related to STAC & TSA contracts and Amazon lease agreements. It covers operating budget highlights, commission priorities, capital planning, and equity considerations.
    CategoriesKey Documents, Regular Events TagsAirport, Airport Committees, Amazon, Aviation International News, Port Of Seattle
  • 2025-11-11

    2026 – 2030 Environmental Remediation Liability Program for Cleanup and Investigation of Historical Contamination

    ★
    Port of Seattle Commission agenda memorandum requesting $30 million for 2026 environmental remediation and approval of a $259 million five-year spending plan for cleanup of historical contamination at maritime and aviation properties. The program addresses contamination from past industrial operations including Lower Duwamish Waterway Superfund Site and various terminal locations.
    CategoriesKey Documents TagsAirport, Port Of Seattle
  • 2025-11-03

    City Council Regular Meeting Agenda – November 3, 2025

    ★
    This is an agenda for a Burien City Council Regular Meeting scheduled for November 3, 2025, covering local municipal business such as a public hearing on the 2026 Mid-Biennium Budget Update, approval of vouchers and meeting minutes, and a proposed tax assessment settlement agreement. The meeting was held both in person at Burien City Hall and virtually via Zoom, with public comment and language access provisions available. Note: this document does not contain content specifically related to Sea-Tac Airport noise policy.
    CategoriesKey Documents, Meetings TagsCity of Burien, SAMP
  • 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

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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 policies, politics, history, impacts for people living under the flight path everywhere. It’s definitely not just about noise!

The Podcast!

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

Most Recent: Ep #38 Aviation Forum Postgame (Raw!)

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