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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.

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  • 2025-02-26

    StART SIRRPP Update — Slide 8: Sound Insulation Package Survey Results by Manufacturer and Year (February 26, 2025)

    Slide 8 from a Port of Seattle / ESA 2024 report presents two tables summarizing 1,067 survey responses about sound insulation packages installed at Sea-Tac Airport. The left table compares response distribution by manufacturer (e.g., Alpine STC44 leading at 21.1%), while the right table breaks down installations by year, with Pre-1993 representing the largest share at 21.4% of survey responses, out of a total program baseline of 3,200 packages.
    TagsSea-Tac Airport, SIRRPP, Sound Insulation, StART, SurveyFolderSIRRPP 20250226
  • 2025-02-26

    StART SIRRPP Update — Sound Mitigation Contractor Map by Property (September 2022) — Slide 7

    Slide 7 from a Sea-Tac Airport presentation titled 'Survey Overview and Results (cont.)' showing a geographic map of properties around Seattle-Tacoma International Airport color-coded by sound mitigation contractor (Other, Milgard, Alpine, CDI/Peerless/Devac). The map is dated September 2022 and includes a note directing homeowners to contact the Noise Programs office at 206-787-5393 to determine eligibility for sound mitigation programs.
    TagsMap, Noise Mitigation, Sea-Tac Airport, SIRRPP, Sound Insulation, StARTFolderSIRRPP 20250226
  • 2025-02-26

    StART SIRRPP Update — Survey Overview and Results (February 26, 2025) — Slide 6

    A presentation slide titled 'Survey Overview and Results (cont.)' reporting 1,067 survey responses (over 33% response rate), with operational concerns ranging from 60–75% and glass-related concerns from 50–72% depending on product. The slide concludes that overall age and design of the finished product—not the specific year or product installed—are the key factors driving residential concerns.
    TagsSea-Tac Airport, SIRRPP, Sound Insulation, StART, SurveyFolderSIRRPP 20250226
  • 2025-02-26

    StART SIRRPP Update — EDI Survey Integration (Slide 5), February 26, 2025

    A presentation slide (page 5) titled 'Survey Overview and Results (cont.)' describes EDI integration efforts including translation of survey materials into Port Tier 1 and Tier 2 languages (six additional languages), physical copies available in seven languages upon request, added demographic questions on race/ethnicity and income, and questions about residents' window/door concerns. The slide appears to be from a Port noise-related resident survey presentation, consistent with Sea-Tac Airport noise insulation program reporting.
    TagsPort Of Seattle, Sea-Tac Airport, SIRRPP, StART, SurveyFolderSIRRPP 20250226
  • United Airlines Jet

    A United Airlines Boeing 757 aircraft is captured during takeoff, with landing gear still extended. The aircraft displays the current United Airlines livery with blue engines and the globe logo on the tail.
    Tagsaircraft, Sea-Tac Airport, United AirlinesFolderAirlines
  • 2025-02-10

    Noise Working Group Program Updates: February 10, 2025

    The Seattle-Tacoma International Airport Noise Working Group met on February 10, 2025, to review ongoing noise management initiatives, including quarterly updates to the Late Night Noise Limitation Program, which voluntarily monitors takeoff and landing noise levels between 12:00 a.m. and 5:00 a.m. The program tracks noise exceedances against established decibel thresholds at four runway monitor locations and contacts airlines when those thresholds are exceeded. The meeting also covered late-night runway usage trends for 2025, aircraft go-around activity for December and January, and a summary of public noise complaints received in December.
    TagsNoise Abatement Procedures, Noise Monitors, Port Of Seattle, Sea-Tac Airport, StARTFolderAviation 20250210
  • 2025-02-10

    SEA Operations Overview

    This February 2025 operations overview from Seattle-Tacoma International Airport (SEA) reviews 2024 performance and looks ahead to 2025, including the summer international flight season. In 2024, SEA handled over 52.6 million total passengers—a 3.4% increase over the prior year—along with 434,321 total aircraft operations, up 2.8% from 2023. The document provides monthly breakdowns of both passenger traffic and aircraft movements, with peak activity occurring during the summer months of June through August.
    CategoriesMeetings TagsPort Of Seattle, Sea-Tac Airport, StART, StatisticsFolderAviation 20250210
  • 2025-02-10

    Aviation Noise Working Group Agenda — February 10, 2025

    The Aviation Noise Working Group met on February 10, 2025, to review operational trends at Seattle-Tacoma International Airport (SEA) and discuss noise reduction efforts. Key topics included the Aviation Near-term Noise Action Agenda, potential airfield noise monitoring, and an assessment of the Sound Insulation Repair and Replacement Pilot Program. The meeting was organized by the SEA Stakeholder Advisory Round Table (StART), which facilitates cooperation between the Port of Seattle and neighboring communities.
    TagsPort Of Seattle, Sea-Tac Airport, Sound Insulation, StARTFolderAviation 20250210
  • 2025-02-05

    Snow, Japan Airlines incident delays more than 100 flights at Sea-Tac Airport

    The Brief Snow, ice, and a plane incident caused delays and cancelations at Sea-Tac Airport Wednesday. A taxiing Japan Airlines plane struck a parked Delta aircraft; no injuries were reported. Passengers should check flight updates and review airline rebooking policies. SEATTLE – A combination of winter weather and an aircraft incident caused significant flight disruptions at Seattle-Tacoma International Airport Wednesday, leaving
    CategoriesFrom The Web TagsFAA Occurrences, FlighAware, Q13Fox, Sea-Tac Airport
  • 2025-02-05

    Japan Airlines plane strikes parked Delta plane at Sea-Tac Airport

    By  Lauren Rosenblatt  and  Paige Cornwell After a taxiing plane struck a parked aircraft at Seattle-Tacoma International Airport on Wednesday, passengers and regulators scrambled to understand what had happened — but with no injuries or major disruptions to air travel, the airport remained mostly calm amid a puzzling sequence of events. The incident happened around
    CategoriesFrom The Web TagsCommercial Aviation, Sea-Tac Airport

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Upcoming Events

  • Stay Grounded Event: Night trains, not night planes!
    Add to CalendarMSunday Sep 13: 12:00am
    Ntnnp social media3

    For the past two years, more than 220 initiatives from 15 countries have declared September 13th as the International day for the ban of night flights at airports. In parallel, activists across Europe have been gathering for pyjama parties for night trains – coordinated in 2024 and 2025 by Back on Track and Stay Grounded.

    [...]
  • Burien Airport Committee Meeting September 15, 2026
    Add to CalendarMTuesday Sep 15: 6:00pm
    400 SW 152nd St, Burien, WA 98166
    Burien airport committee 15 sep 2026 agenda pdf pdf

    a) Part 150 Noise Study (Emily Inlow-Hood) — 15 minutes
    b) SAMP Update and Next Steps (Brian Davis and Sarah Moore) — 15 minutes
    c) Legislative Updates — 10 minutes
       • SCA (Sarah Moore)
       • Work with Sen. Orwall (Brian Davis)
    d) StART Reorganization (Jeff Harbaugh and Karen Veloria) — 10 minutes

    [...]

[See all...]


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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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