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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.

TagSea-Tac Airport(2023)

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  • 2025-06-09

    Sea-Tac Airport Part 150 DNL Noise Contour Maps: 2022 vs. 2032 Projected Conditions

    A Port of Seattle presentation slide comparing DNL noise contour maps for Seattle-Tacoma International Airport (SEA) for 2022 and projected 2032 conditions, showing 65 dB, 70 dB, and 75 dB contours overlaid on aerial maps of surrounding communities including Burien, SeaTac, Normandy Park, Tukwila, and Renton. The 2032 map shows expanded noise contours relative to 2022, with reference to the Current Noise Remedy Boundary and SEA Property and Port Authority land.
    TagsDNL65, Noise Countour, Part 150, Port Of Seattle, Sea-Tac Airport
  • Airport terminal corridor with temporary construction hoarding panels

    A long corridor with white modular hoarding panels framed in aluminum, consistent with temporary construction barriers used during renovation or build-out work. The arched ceiling structure and patterned carpet are characteristic of a major airport terminal passageway.
    TagsConstruction, Sea-Tac Airport, Terminal, Third Runway
  • 2025-06-07

    How to find Sea-Tac’s new security checkpoint and not get lost

    By Nicholas Deshais Seattle Times staff reporter Seattle-Tacoma International Airport’s new security checkpoint opened Friday, but travelers can be forgiven for wondering where, exactly, it is. In short, the new Checkpoint 1 is downstairs on the baggage claim level, below a hanging replica of a historic aircraft, the Rutan Voyager, the first to fly around the
    CategoriesFrom The Web, News Stories TagsSea-Tac Airport, Seattle Times, Security, Terminal
  • 2025-06-01

    Noise Programs Office Comment Report: June 2025

    Seattle-Tacoma International Airport (Sea-Tac Airport) Noise Programs Office monthly comment report for June 2025, compiled via PlaneNoise. Reports 15,187 total comments from 169 distinct households, with 75,721 comments year-to-date (YTD) and 421 distinct households YTD. Top commenting cities include Des Moines (5,050 comments, 12 households), Vashon (3,891 comments, 31 households), Seattle (2,231 comments, 69 households),
    TagsDes Moines, Noise Complaints, Port Of Seattle, Sea-Tac Airport
  • 2025-06-01

    Noise Programs Office Comment Report: June 2025

    The Seattle-Tacoma International Airport Noise Programs Office received 15,187 noise-related comments from 169 distinct households in June 2025, bringing the year-to-date total to 75,721 comments. The highest comment volumes came from Des Moines, Vashon, and Seattle, with the vast majority of complaints categorized as noise annoyance and submitted via a third-party web application. The report breaks down comments by city, zip code, complaint type, and filing method, offering a detailed snapshot of community noise concerns around Sea-Tac Airport.
    TagsDes Moines, Noise Complaints, Port Of Seattle, Sea-Tac Airport
  • 2025-05-28

    Small Business Assistance Impacts slide presented in Microsoft Teams meeting, 5/28/2025

    A Microsoft Teams video conference is displayed on a wall-mounted monitor showing a PowerPoint slide titled 'Small Business Assistance Impacts,' listing statistics including 400 businesses surveyed, 900+ businesses assisted, 600 WMBE businesses assisted, 413 business consultation hours provided, 75 events hosted to support small businesses, and $1.1 million of funding secured for businesses. The meeting timestamp shows 3:36 PM on 5/28/2025.
    TagsHighline Forum, Microsoft, Sea-Tac Airport
  • 2025-05-27

    Port Of Seattle regular commission meeting agenda, May 27, 2025

    This document is the agenda for the Port of Seattle Regular Commission Meeting held on May 27, 2025, covering routine administrative and financial matters such as approval of meeting minutes, claims and obligations totaling hundreds of millions of dollars, issuance of revenue bonds up to $950 million, and authorization for a parking garage rehabilitation project at Seattle-Tacoma International Airport. The meeting was held both in person at Sea-Tac Airport's Conference Center and virtually via Microsoft Teams. No specific noise policy items appear on this particular agenda.
    TagsParking, Port Of Seattle, Port Of Seattle Commission, Sea-Tac Airport
  • 2025-05-27

    Port Of Seattle regular commission meeting agenda, May 27, 2025

    Agenda for the Port of Seattle Regular Commission Meeting held May 27, 2025, conducted both virtually via MS Teams and in person at Seattle-Tacoma International Airport. The agenda includes consent items such as approval of meeting minutes, claims and obligations for January through March 2025, adoption of Resolution No. 3837 authorizing issuance of intermediate lien
    TagsParking, Port Of Seattle, Port Of Seattle Commission, Sea-Tac Airport
  • 2025-05-27

    StART 2024/25 Annual Report — May 27, 2025 Commission Meeting

    This is the StART (SEA Stakeholder Advisory Round Table) 2024/25 Annual Report, Item No. 11b_Attachment_5, dated for a May 27, 2025 meeting. It lists 2025 StART membership from cities including Burien, Des Moines, Tukwila, Federal Way, Normandy Park, SeaTac, and organizations including Alaska Airlines, Delta, Air Cargo, Port of Seattle, and FAA (non-members), along with guest speaker events held between February and December 2024 covering topics such as FAA noise policy, aircraft go-arounds, and the SAMP Environmental Review.
    TagsAdvisory Committees, FAA, Sea-Tac Airport, StART
  • 2025-05-17

    Alaska Airlines planes clip wings near Sea-Tac Airport gates

    By David Kroman Seattle Times staff reporter Two Alaska Airlines planes clipped wingtips at Sea-Tac Airport on Saturday afternoon, forcing the planes back to their gates and passengers to deplane. The contact occurred just after noon and was “minor,” according to Port of Seattle spokesperson Kassie McKnight-Xi. There were no injuries reported. The collision also
    CategoriesFrom The Web, News Stories TagsAlaska Air, FAA Occurrences, Sea-Tac Airport, Seattle Times

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Upcoming Events

  • StART SEA Stakeholder Advisory Round Table
    Add to CalendarMWednesday Aug 26, 5:00pm - 7:00pm
    Zoom (Virtual Meeting)
    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

    [...]
  • Commercial Aviation Work Group
    Add to CalendarMThursday Sep 3, 10:00am - 1:30pm
    Virtual Meeting (Zoom)
    Cawg agenda sep 3 26 virtual pdf

    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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