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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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  • 2024-01-01

    Appendix F: Hazardous Materials, Solid Waste, and Pollution Prevention Technical Report: Sustainable Airport Master Plan Near-Term Projects

    This technical report, prepared by Landrum & Brown for the Port of Seattle in January 2024, assesses hazardous materials, solid waste, and pollution prevention concerns related to near-term construction projects under the Sustainable Airport Master Plan at Seattle-Tacoma International Airport. It includes investigations of contaminated fuel farm sites, environmental baseline studies, and regulated building materials surveys (such as asbestos and lead) for several airport facilities slated for redevelopment. The report compiles findings and regulatory correspondence from Washington State Department of Ecology to guide safe handling and cleanup of hazardous materials during planned airport improvements.
    TagsEcology, Landrum & Brown, Port Of Seattle, SAMP, Sea-Tac Airport, SEPA, Sustainable Airport Master PlanFolderAppendices
  • 2023-12-30

    JetBlue and Spirit Airlines Aircraft at Airport

    A JetBlue Airways Airbus A320 taxis on the runway while a Spirit Airlines aircraft (in its distinctive yellow livery) is visible in the background. A ground crew vehicle tows baggage equipment in the foreground at what appears to be a busy commercial airport.
    Tagsaircraft, Airline Industry, Airports, Sea-Tac AirportFolderAirlines
  • 2023-12-27

    Airport Terminal with Japan Airlines and Lufthansa Aircraft

    A Japan Airlines (JAL) Boeing 787 Dreamliner, registration JA844J, taxis on the apron at Seattle-Tacoma International Airport. In the background, aircraft from Lufthansa (World Business Class livery), Qatar Airways, and Delta Air Lines are visible at the terminal gates.
    Tagsaircraft, Airline Industry, Sea-Tac AirportFolderAirlines
  • 2023-12-22

    SeaTac historical tour guide

    This SeaTac Historical Tour Guide brochure outlines 15 significant historical sites in the City of SeaTac, Washington, tracing the area's development from its origins as a Fort Steilacoom-Fort Bellingham military road corridor through early pioneer settlement, agricultural growth, and Japanese-American communities. It documents the transformation of the region into a major aviation hub, including the evolution of Bow Lake Airport into Seattle-Tacoma International Airport, which opened officially in 1947 after the Port of Seattle Commission voted to develop it into a major commercial airport serving the Puget Sound area.
    TagsCity Of SeaTac, Historic Preservation, History, King County, Sea-Tac AirportFolderSeaTac
  • 2023-12-19

    Aircraft with Santa Claus Nose Art

    A commercial jet aircraft features a holiday-themed nose art depicting Santa Claus carrying a sack of wrapped gifts. Ground crew in high-visibility vests and airport support vehicles are visible alongside the aircraft.
    Tagsaircraft, Sea-Tac AirportFolderAviation
  • 2023-12-13

    Seattle-Tacoma International Airport Part 150 Study: StART Meeting Presentation

    This document presents the opening materials from a December 13, 2023 StART (Stakeholder Advisory Round Table) meeting for the Seattle-Tacoma International Airport Part 150 Study, a federally guided process for assessing and managing aircraft noise impacts. The study is being conducted by ESA, an environmental aviation consultancy with experience at more than 180 airports nationwide and over 25 completed Part 150 Studies. The meeting introduced the ESA project management team and outlined the firm's qualifications for leading Sea-Tac's noise compatibility planning effort.
    TagsESA, Part 150, Port Of Seattle, Sea-Tac Airport, StARTFolderPart 150
  • 2023-12-13

    StART Meeting Agenda — December 13, 2023

    Agenda for the Sea-Tac Airport Stakeholder Advisory Round Table (StART) meeting scheduled for December 13, 2023, 5:00–7:00 PM via videoconference. Topics include a Part 150 Noise Study overview, Aviation Noise Working Group activities, and public comment, with a tentative next meeting date of February 28, 2024.
    CategoriesMeetings TagsNoise, Part 150, Sea-Tac Airport, StARTFolderStART
  • 2023-12-12

    Mitigation Site Community Planting Event, December 2023

    TagsLand Stewardship Partnership, Sea-Tac AirportFolderLand Stewardship Plan
  • 2023-12-07

    SR 509 Completion Project: 24th Ave. S. to S. 160th St.

    The SR 509 Completion Project extends State Route 509 from 24th Avenue South to South 160th Street near Sea-Tac Airport, adding new interchanges, roundabouts, and connections to southbound I-5 and toward Seattle. Key features include a new interchange at South 188th Street with a shared-use path and Lake to Sound Trail access, as well as a South 160th Street interchange with noise walls to protect nearby residents. The project also includes wetland mitigation sites and infrastructure improvements along the Des Moines Memorial Drive corridor.
    TagsDes Moines, Map, Sea-Tac Airport, SR509, WSDOTFolderSR-509
  • 2023-12-05

    The Conference Center at Sea-Tac Airport: directions and parking

    This document provides directions to The Conference Center at Seattle-Tacoma International Airport, which is located on the mezzanine level above checkpoint #1. It includes instructions for arriving by car from multiple directions, by Link Light Rail, from a flight gate, by drop-off, and by hotel shuttle, all guiding visitors to the International ticketing counter area and up to the mezzanine level. Parking validation is available only in General Parking floors 3 and 5-8, and not all groups qualify for validation.
    TagsParking, Port Of Seattle, Sea-Tac Airport, transportationFolderSea-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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