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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.

TagSAMP(642)

Articles tagged with the Sustainable Airport Master Plan.

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  • SEPA comment cummulative ops final pdf
    2026-06-13

    SEPA Comment: Aircraft Noise Cumulative Exposure Analysis – Sea-Tac Airport SAMP SEPA DEIS

    SEPA public comment filed by Jeff Bogen, Des Moines, WA resident and member of the Des Moines Airport Advisory Committee, regarding the Seattle-Tacoma International Airport (SEA) Sustainable Airport Master Plan (SAMP) SEPA Draft Environmental Impact Statement (DEIS). The comment presents event-based analysis of aircraft noise exposure using Sound Exposure Level (SEL) records from Port Of
    TagsDes Moines, Environmental Impact Statement, Noise Monitors, SAMP, SEPA
  • 2026-06-13

    SEPA Comment: Aircraft Noise Cumulative Exposure Analysis – Sea-Tac Airport SAMP SEPA DEIS

    A Des Moines, WA resident and airport advisory committee member submitted this public comment to challenge the noise analysis in the Sea-Tac Airport (SEA) expansion environmental review, arguing that the standard Day-Night Average Sound Level (DNL) metric fails to capture how frequently aircraft noise actually occurs in nearby neighborhoods. Using direct measurements from five Port of Seattle noise monitors, the analysis found that some community locations currently experience roughly 529 aircraft noise events per day with a median quiet gap of only 1.5 minutes between them—conditions the commenter projects will worsen by 2032. The submission calls on the Port of Seattle to supplement its environmental review with event-based noise metrics that reflect real community exposure, including nighttime event counts and inter-event recovery time, as required under Washington State's environmental review law (SEPA).
    TagsDes Moines, Environmental Impact Statement, Noise Monitors, SAMP, SEPA
  • SEPA comment cumulative ops pdf
    2026-06-13

    SAMP SEPA Comment – Aircraft Noise Cumulative Exposure Analysis

    SEPA public comment submitted by Jeff Bogen, Des Moines resident and member of the Des Moines Airport Advisory Committee, on the SAMP SEPA Draft Environmental Impact Statement (DEIS) for Seattle-Tacoma International Airport (SEA). Analyzes aircraft noise cumulative exposure using Port Of Seattle noise monitor SEL event records from five community monitors (SEA12, SEA13, SEA17, SEA18,
    TagsDes Moines, Noise Monitors, SAMP, SAMP Draft SEPA EIS, SEPA
  • Appendix k socioeconomics environmental justice and children8217s health page 5

    Appendix k socioeconomics environmental justice and children8217s health page 5

    This map, from the Seattle-Tacoma International Airport Sustainable Airport Master Plan (SAMP) Environmental Review, shows census block group data on the percentage of population under age 18 within the General Study Area (GSA) surrounding Sea-Tac Airport. Shading indicates four tiers of child population density (under 10% through 30.1–40%), with the dashed blue line marking the study area boundary around the airport's runways and terminal facilities.
    TagsSAMP, SEPA, Sustainable Airport Master Plan
  • Appendix k socioeconomics environmental justice and children8217s health page 2

    Appendix K: Children’s Health and Safety Risks Environmental Assessment

    This is a cover page for Appendix K of a NEPA Environmental Assessment (EA), specifically addressing Children's Health and Safety Risks. The document appears to be a formal federal environmental review appendix, consistent with NEPA (National Environmental Policy Act) documentation requirements.
    TagsSAMP, SEPA, Sustainable Airport Master Plan
  • 2026-06-08

    KIRO7: Sustainable Airport Master Plan interview with JC Harris, Sea-Tac Noise.Info

    https://seatacnoise.info/wp-content/uploads/Public-weighs-in-on-Port-of-Seattle-Sustainable-Airport-Master-P.mp4 KIRO7 piece on the Sustainable Airport Master Plan. Interview with JC Harris, Sea-Tac Noise.Info. STNI
    CategoriesFrom The Web TagsKIRO7, SAMP
  • 06042026 seatac airport 04252026 kd 151754
    2026-06-08

    Proposed Seattle Tacoma airport expansion will be good for region

    By Angela Birney and Dana Ralph Special to The Seattle Times As elected officials, we are committed to serving the public good. That requires us not only to think beyond what’s needed for our communities to thrive today but also to focus on long-term planning for current and future residents. That is why we both
    CategoriesFrom The Web, News Stories TagsCity of Auburn, City of Kent, SAMP, SAMP Draft SEPA EIS, Seattle Times
  • June 08 2026 joint des moines and burien airport committee meeting agenda pdf
    2026-06-08

    Joint Des Moines and Burien Airport Committee Meeting June 8, 2026

    Joint meeting with Burien Airport Committee: Sustainable Airport Master Plan (SAMP) Study Session
    CategoriesEvents TagsBurien Airport Committee, Des Moines Aviation Advisory Committee, SAMP, Sustainable Airport Master Plan
  • 2026-06-08

    Joint Des Moines and Burien Airport Committee Meeting Agenda June 8, 2026

    The Joint Des Moines and Burien Airport Committee is scheduled to meet on June 8, 2026, at 4:00 PM in the Des Moines City Council Chambers to hold a study session on the Sustainable Airport Master Plan (SAMP), with reference materials available at sea-samp.com/materials. The SAMP is a planning process relevant to Sea-Tac Airport's future development and its noise and environmental impacts on surrounding communities. The next scheduled meeting is the Des Moines Airport Advisory Committee Meeting on July 13, 2026.
    TagsBurien Airport Committee, Des Moines Aviation Advisory Committee, SAMP, Sustainable Airport Master Plan
  • June 08 2026 joint des moines and burien airport committee meeting agenda pdf
    2026-06-08

    Joint Des Moines and Burien Airport Committee Meeting Agenda June 8, 2026

    The Joint Des Moines and Burien Airport Committee is scheduled to meet on June 8, 2026, at 4:00 PM in the Des Moines City Council Chambers to hold a study session on the Sustainable Airport Master Plan (SAMP), with reference materials available at sea-samp.com/materials. The SAMP is a planning process relevant to Sea-Tac Airport's future development and its noise and environmental impacts on surrounding communities. The next scheduled meeting is the Des Moines Airport Advisory Committee Meeting on July 13, 2026.
    TagsBurien, Burien Airport Committee, Des Moines, SAMP, Sustainable Airport Master Plan

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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

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    Add to CalendarMThursday Sep 3, 10:00am - 1:30pm
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    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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