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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.

TagPart 150(269)

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  • Dnl 2032 70
    2032-01-01

    DNL 65 Noise Contour Map — Sea-Tac Airport Area with Noise Complaint Markers

    An OpenStreetMap-based map centered on the Seattle–Tacoma (Sea-Tac) Airport area showing a highlighted corridor (shaded in orange/yellow) and a black oval outline delineating what appears to be a flight path or noise impact study zone. Clustered purple markers, likely representing noise complaint locations or monitoring stations, are visible near Burien and a southern cluster near Des Moines/Federal Way, with Sea-Tac Airport identifiable near the center of the map.
    TagsDNL65, Map, Noise Countour, Part 150, Sea-Tac AirportFolderDNL65
  • Part 150 NCP Workshop — Des Moines

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.
    CategoriesEvents TagsPart 150
  • Part 150 NCP Workshop — SeaTac

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.
    CategoriesEvents TagsPart 150
  • Part 150 NCP Workshop — Burien

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.
    CategoriesEvents TagsPart 150
  • Highline forum part 150 ncp schedule
    2026-09-25

    Highline Forum Postgame

    The sparsely attended meeting of electeds and administrators from the Highline Cities and Schools was held at the Des Moines Police Station and featured two updates of interest to readers: SAMP SEPA DEIS Summary Port Environmental Manager Steve Rybolt is charged with reviewing public the 490 comments provided. He stated that though this number is
    CategoriesNews Stories TagsHighline Forum, Part 150, SAMP Draft SEPA EIS
  • Highline forum agenda final 23sept2026 pdf
    2026-09-23

    Highline Forum Agenda – September 23, 2026

    Highline Forum Agenda Theme: Part 150 Update and PortJobs Overview 2:30pm – Convene Meeting/Introductions Port Co-Chair, Commissioner Mohamed 2:35pm – Public Comments Audience The meeting will be held in person and virtually. Those wishing to provide public comment may: 1) Deliver public comment via email; 2) Deliver public comment via Microsoft Teams; or 3) Deliver
    CategoriesEvents TagsHighline Forum, Part 150, Port Of Seattle, SAMP, StART
  • 2026-09-23

    Highline Forum Agenda – September 23, 2026

    Highline Forum meeting agenda for September 23, 2026, hosted by the City of Des Moines at the Police Training Room (hybrid via MS Teams), co-chaired by Port of Seattle Commissioner Hamdi Mohamed. Agenda includes: SAMP NTP SEPA DEIS Update by Steve Rybolt (AV Environment/Port of Seattle); Part 150 Noise Study Update by Tom Fagerstrom (AV
    TagsHighline Forum, Part 150, Port Of Seattle, SAMP, StARTFolderHighline Forum 2026
  • Highline forum agenda final 23sept2026 pdf
    2026-09-23

    Highline Forum Agenda – September 23, 2026

    Highline Forum meeting agenda for September 23, 2026, hosted by the City of Des Moines at the Police Training Room (hybrid via MS Teams), co-chaired by Port of Seattle Commissioner Hamdi Mohamed. Agenda includes: SAMP NTP SEPA DEIS Update by Steve Rybolt (AV Environment/Port of Seattle); Part 150 Noise Study Update by Tom Fagerstrom (AV
    TagsHighline Forum, Part 150, Port Of Seattle, SAMP, StARTFolderHighline Forum 2026
  • 2026-09-23

    Part 150 Noise and Land Use Compatibility Study Update

    Port of Seattle presentation to the Highline Forum on September 23, 2026, providing an update on the Part 150 Noise and Land Use Compatibility Study for Sea-Tac Airport. Covers Part 150 study basics under CFR 14 Part 150, FAA Airport Improvement Program (AIP) grant funding requirements for sound insulation and noise abatement projects, the 65
    TagsAIP, Highline Forum, Part 150, Port Of SeattleFolderHighline Forum 2026
  • Burien airport committee 15 sep 2026 agenda pdf pdf
    2026-09-15

    Burien Airport Committee Meeting September 15, 2026

    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
    CategoriesEvents TagsBurien Airport Committee, Part 150, SAMP, SCA, StART

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Upcoming Events

  • Part 150 NCP Workshop — Burien
    Add to CalendarMSaturday Oct 17: 10:00am

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]
  • Part 150 NCP Workshop — SeaTac
    Add to CalendarMMonday Oct 19: 6:00pm

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]
  • Part 150 NCP Workshop — Des Moines
    Add to CalendarMTuesday Oct 20: 6:00pm

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]

[See all...]


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.
read more...

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.
continue...

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