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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(2026)

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  • 2018-08-01

    Sea-Tac International Airport Economic Impacts

    This report, produced by Community Attributes Inc. for the Port of Seattle and revised in August 2018, analyzes the economic impacts of Seattle-Tacoma International Airport (Sea-Tac). It is included as Appendix K in a broader study covering socioeconomics and children's health topics related to airport operations. The findings are intended to inform decision makers about the airport's role in the regional economy and its effects on surrounding communities.
    TagsEconomic Impacts, NEPA, Port Of Seattle, SAMP, Sea-Tac Airport, Socioeconomic Impacts, Sustainable Airport Master Plan
  • 2018-08-01

    Sea-Tac International Airport Economic Impacts

    This report, produced by Community Attributes Inc. for the Port of Seattle and revised in August 2018, analyzes the economic impacts of Seattle-Tacoma International Airport (Sea-Tac). It is included as Appendix K in a broader study covering socioeconomics and children's health topics related to airport operations. The findings are intended to inform decision makers about the airport's role in the regional economy and its effects on surrounding communities.
    TagsEconomic Impacts, NEPA, Port Of Seattle, SAMP, Sea-Tac Airport, Socioeconomic Impacts, Sustainable Airport Master Plan
  • cropped-airplane-large-circles-stretched-IMG 20180615 194804525-7

    A commercial passenger jet photographed from below against a partly cloudy blue sky, with a digitally overlaid concentric elliptical ripple graphic centered on the aircraft, likely illustrating sound wave or radar signal propagation. The airline livery is not clearly legible at this resolution.
    Tagsaircraft, Noise, Sea-Tac Airport, STNI Newsletter
  • 2018-07-19

    ISBRG One Departure (RNAV) Standard Instrument Departure Chart, Seattle-Tacoma International Airport

    The ISBRG One Departure is an RNAV instrument departure procedure at Seattle-Tacoma International Airport (SEA) available only between 10 PM and 6 AM local time, designed to route departing aircraft on specific northwestward flight paths. Aircraft departing runways 34L, 34C, and 34R follow assigned headings and waypoints—climbing to 940 feet, then proceeding through fixes such as WUREL, ATOME, BREMM, and ISBRG—while maintaining a top altitude of 9,000 feet. The procedure's nighttime-only restriction and structured routing reflect noise-abatement considerations for communities surrounding the airport.
    TagsAir Traffic Control, FAA, Runways, Sea-Tac Airport
  • Sbrg ONE SID RNAV Flightaware SEA DP All 3 Pdf
    2018-07-19

    ISBRG One Departure (RNAV) Standard Instrument Departure Chart, Seattle-Tacoma International Airport

    FAA instrument departure procedure chart AL-582 for the ISBRG ONE DEPARTURE (ISBRG1.ISBRG) RNAV SID at Seattle-Tacoma International Airport (KSEA/SEA). Covers runways 34L, 34C, and 34R (16L/C/R NA by ATC). Departure route via waypoints DODVE, NESOE, CUSBU, WUREL (cross at or above 3100), ATOME, BREMM, ISBRG with tracks 344°, 349°, 342°, 309°, 264°, 259°. Top altitude
    TagsAir Traffic Control, FAA, Runways, Sea-Tac Airport
  • cropped-airplane-large-circles-stretched-IMG 20180615 194804525-7.png

    A commercial passenger jet, appearing to be a narrow-body aircraft possibly in Alaska Airlines livery, is photographed from below against a partly cloudy blue sky. Concentric elliptical rings, representing aircraft noise or radar signal propagation, are digitally overlaid and centered on the aircraft, likely created for illustrative use in an aviation noise or airspace policy context.
    Tagsaircraft, Alaska Air, Noise, Sea-Tac Airport, STNI Newsletter
  • 2018-07-11

    Delta aircraft operations at Sea-Tac, 11 July 2018 with Mount Rainier in background

    Delta Air Lines and Frontier Airlines aircraft are parked at gates in the South Satellite (S10) concourse area of Seattle-Tacoma International Airport, with an Alaska Airlines facility visible at right. Mount Rainier dominates the background skyline, a characteristic view from Sea-Tac's airfield.
    TagsDelta, Sea-Tac Airport
  • cropped-airplane-large-circles-stretched-IMG 20180615 194804525-3.png

    A commercial passenger jet, possibly a United Airlines aircraft based on livery coloring, photographed from below against a blue sky with clouds. Concentric elliptical rings are digitally overlaid on the image, visually representing sound wave propagation or radar signal emanating from the aircraft — consistent with noise-impact or flight-tracking policy illustration.
    Tagsaircraft, Noise, Sea-Tac Airport, STNI Newsletter
  • airplane-&-large-circles-IMG 20180615 194804525

    A commercial jet aircraft, viewed from below against a blue sky with scattered clouds, with concentric circle rings digitally overlaid centered on the aircraft, likely representing noise contours or radar signal propagation. The airline livery is not clearly legible, though the aircraft appears to be a twin-engine narrowbody or widebody jet.
    Tagsaircraft, Flight Tracks, Noise, Sea-Tac Airport, STNI Newsletter
  • cropped-airplane-large-circles-IMG 20180615 194804525.png

    A commercial passenger jet photographed from below against a partly cloudy blue sky, with concentric circle graphics overlaid to illustrate sound wave or noise propagation emanating from the aircraft. No visible text, logos, or date information are present in the image.
    Tagsaircraft, Noise, Sea-Tac Airport, STNI Newsletter

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  • StART SEA Stakeholder Advisory Round Table
    Add to CalendarMWednesday Aug 26, 5:00pm - 7:00pm
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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

    [...]
  • 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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