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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.
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TagSea-Tac Airport(2025)

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  • 2024-02-01

    Seattle-Tacoma International Airport SAMP Near Term Projects: Wetlands and Streams Report

    This technical report, prepared by Parametrix for the Port of Seattle in February 2024, documents the wetlands and streams found at Seattle-Tacoma International Airport as part of the Sustainable Airport Master Plan (SAMP) Near Term Projects. It covers the delineation of wetland and stream boundaries, assesses potential impacts to these aquatic areas from planned airport improvements, and outlines mitigation measures and permitting approaches to address those impacts.
    TagsEnvironmental Impact Statement, NEPA, Port Of Seattle, SAMP, Sea-Tac Airport, Sustainable Airport Master Plan, Water Quality
  • 2024-02-01

    Appendix M: SAMP Near Term Projects: Water Resources Wetlands and Streams Report

    This technical report, prepared by Parametrix for the Port of Seattle in February 2024, documents the wetlands and streams found at Seattle-Tacoma International Airport as part of the Sustainable Airport Master Plan (SAMP) Near Term Projects. It covers the delineation of wetland and stream boundaries, assessments of potential impacts to these aquatic areas from planned airport projects, and proposed mitigation measures and permitting strategies to address those impacts.
    TagsEnvironmental Impact Statement, Port Of Seattle, SAMP, Sea-Tac Airport, SEPA, Sustainable Airport Master Plan, Water Quality
  • Southwest Airlines and Alaska Airlines Aircraft at Sea-Tac Airport

    A Southwest Airlines Boeing 737 (registration partially visible as N86x) is parked at a gate at Seattle-Tacoma International Airport, with an Alaska Airlines aircraft visible behind it. A third wide-body aircraft, appearing to be an Asiana Airlines plane, is seen taking off in the background.
    Tagsaircraft, Alaska Air, Sea-Tac Airport, Southwest Airlines
  • 2024-01-30

    Seattle-Tacoma Airport Expects To Handle Most-Ever Passengers In 2024

      Seattle-Tacoma International Airport (SEA) forecasts it will exceed 2019 passenger traffic in 2024 and record its busiest year ever, following up on 2023, when international traffic levels edged over 2019 figures and domestic traffic fell just short of pre-pandemic levels. Overall, the airport handled 50.9 million passengers in 2023, up 11% over 2022, but
    CategoriesFrom The Web TagsAviation Week, Sea-Tac Airport
  • 2024-01-29

    PSSB 5955 – Mitigating harm and improving equity in large port districts

    Washington State Senate Bill 5955 creates a 'port district equity fund' to help large port districts, such as the Port of Seattle operating Sea-Tac International Airport, pay for aircraft noise mitigation programs in nearby communities. The bill provides an initial one-time appropriation for FY 2025, followed by ongoing funding of up to $10 million per year drawn from sales and use taxes on capital construction projects within the district. It also requires port districts to apply for fund resources to repair or replace noise mitigation equipment that is no longer working or has caused structural damage to properties, with port districts required to match at least half of the Legislature's contribution.
    TagsKing County, Noise Mitigation, SB5955, Sea-Tac Airport, Washington State Legislature
  • 2024-01-28

    Long-Exposure Night Photograph of Aircraft Light Trail over Sea-Tac Airport Perimeter Fence

    A long-exposure night photograph captures the light trail of an aircraft during takeoff or landing, visible above and through a tall security perimeter fence. Green and blue taxiway or runway edge lights are visible at ground level, consistent with an airport environment.
    Tagsaircraft, Airports, Sea-Tac Airport
  • 2024-01-23

    Port Of Seattle Commission Regular Meeting – Agenda Item 11b, January 23, 2024

    A commissioner speaks during the Port of Seattle Commission Regular Meeting on January 23, 2024, at the 1:46:27 timestamp. The agenda item visible is 11b: '2024 Local, Regional and Community Engagement Policy Priorities Briefing.'
    Tagscommunity engagement, Port Of Seattle Commission, Sea-Tac Airport
  • Boeing 747 Approach Over Urban Waterfront — Noise Policy Collage

    A digitally composited or stylized image showing a wide-body jet aircraft (appearing to be a Boeing 747) on approach, overlaid with a teal-toned urban waterfront skyline including high-rise buildings and a Ferris wheel. The image has a distressed, cracked-glass texture overlay and a chain-link fence silhouette in the foreground, suggesting a noise or flight-path policy illustration context.
    Tagsaircraft, Boeing, Boeing 747, Sea-Tac Airport
  • 2024-01-15

    SB 5955 Large port districts – committee sign-in sheet

    This document lists sign-ins for a Washington State legislative hearing on SB 5955, a bill concerning large port districts, held in January 2024. The overwhelming majority of participants — including residents, neighborhood groups, and city officials from communities like SeaTac, Des Moines, and Seattle — registered in support of the bill, while only two individuals, representing the Port of Seattle and the Washington Public Ports Association, registered in opposition. The bill and its broad community backing appear to be driven by concerns about airport noise and its impact on neighborhoods surrounding Seattle-Tacoma International Airport.
    TagsPort Of Seattle, Quiet Skies Puget Sound, SB5955, Sea-Tac Airport, Washington State Legislature
  • 2024-01-15

    HB 2103 large port districts – CSI sign-in sheet

    This document is a sign-in sheet for public testimony on Washington State House Bill 2103, concerning large port districts, recorded in January 2024. The bill drew significant public interest, with the majority of participants — including representatives from the cities of Des Moines, Burien, and SeaTac, as well as noise advocacy groups like SeatacNoise.Info and Quiet Skies Puget Sound — expressing support, while opponents included the Port of Seattle and the Washington Public Ports Association. The testimony period reflects an ongoing community debate over local government oversight of large port districts, particularly in relation to aircraft noise impacts around Seattle-Tacoma International Airport.
    TagsHB2103, Port Of Seattle, Quiet Skies Puget Sound, Sea-Tac Airport, Washington State Legislature

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    START meetingagenda 2026826 final 0 pdf

    Meeting Objectives Introduce the primary feedback themes identified by StART members regarding StART’s Operating Procedures and determine areas that may warrant future discussion. 5:00 PM – Welcome Meeting Management Welcome Lead: Andrés Mantilla, Facilitator, Uncommon Bridges; Wendy Reiter, Airport Managing Director, POS 5:15 PM – Dinner: All participants eat. 5:30 PM – StART Operating Procedures

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    Meeting Agenda 10:00 a.m. – 10:15 a.m. | Welcome – Evan Nordby, Chair a. Introductions and Agenda Reviewb. Status of appointments and non-voting member invitationsc. Other updates as necessary 10:15 a.m. – 11:00 a.m. | Is it practical and legal to operate the western Washington [Puget Sound] airports as a single airport system? – Consultant

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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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