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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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  • 2024-02-01

    Community Development Work Plan 2024 Study Session – 01 Feb 2024 – Agenda – Pdf

    This is the City of Des Moines Community Development Department 2024 Work Program & Timeline document dated 01/17/2024, showing a Gantt-style project schedule. Relevant to Sea-Tac Airport noise policy, it includes the Sustainable Airport Master Plan EIS with a notation to 'Coordinate consultant review of DEIS' started Q1-2024, as well as the Zenith Properties EIS permit application showing a DEIS phase and FEIS milestone extending through mid-2024.
    TagsCity Of Des Moines, community development, EIS, Sustainable Airport Master Plan, work plan
  • Sea-Tac Airport Comparison of Air Carrier Operations Forecasts vs. Actuals, 1975–2010

    A scatter plot comparing multiple historical and projected annual air carrier operations forecasts for Seattle-Tacoma International Airport, spanning approximately 1975–2010. The chart overlays actual operations data against projections from sources including 1997 FAA and ACC (Hockaday) projections, the 1992 Flight Plan Project Final EIS, the 1996 Master Plan Update FEIS, the 1987 PSCOG Draft EIS, and several earlier studies dating back to a 1976 Sea-Tac Communities Plan, illustrating how successive forecasts consistently overestimated growth relative to actual operations.
    TagsEIS, FAA, Forecast, Sea-Tac Airport
  • 2022-08-27

    Boeing HQ Proposed Site: Project Site Plan and Building Entry Level Plan (Figs. 3–5)

    228-78-R
    Tags224-78-R, Boeing, Boeing HQ, EIS, Environmental Impact Statement, King County, Land Use, Map
  • Boeing hq feis site plan figures 3 4 5 pdf
    2022-08-27

    Boeing HQ Proposed Site: Project Site Plan and Building Entry Level Plan (Figs. 3–5)

    228-78-R
    Tags224-78-R, Boeing, Boeing HQ, EIS, Environmental Impact Statement, King County, Land Use, Map
  • 2022-08-27

    HCP Draft EIS Maps: Land Affected by Proposed Area Zoning and Proposed Changes in Residential and Nonresidential Zones

    These three maps outline proposed area zoning changes in communities surrounding Seattle-Tacoma International Airport, including White Center, Burien, and nearby neighborhoods. The plans identify land targeted for rezoning across residential categories (such as downzoning to single-family or upzoning to multi-family) as well as nonresidential categories (including airport open use, manufacturing, commercial, and air terminal-related business). Dotted boundaries mark primary impact areas around the airport, reflecting efforts to align land use policy with airport noise and operational concerns.
    TagsEIS, HCP, Land Use, Map, Sea-Tac Airport
  • 2020-07-29

    NEPA’s forty most asked questions

    This document outlines the forty most frequently asked questions about the National Environmental Policy Act (NEPA), covering topics such as how agencies evaluate a range of alternatives, the role of environmental impact statements (EIS), and the use of environmental assessments (EA). It provides plain-language guidance on requirements like the no-action alternative, mitigation measures, public comment periods, and records of decision. While not specific to airport noise, it serves as a foundational reference for understanding the federal environmental review process that governs major infrastructure projects such as those at Sea-Tac Airport.
    TagsEA, EIS, Environment, FAA, FONSI, NEPA
  • 2020-01-21

    Burien Airport Committee agenda and draft minutes, January 21, 2020

    The Burien Airport Committee met on January 21, 2020 to discuss key aviation issues affecting the city, including advocating for a full Environmental Impact Statement (EIS) from the FAA rather than a less comprehensive Environmental Assessment (EA) related to Sea-Tac Airport's growth. The agenda also covered topics such as the Port's fuel dumping policy, updates on community re-engagement efforts through StART, and a planned trip to Washington, DC to address airplane noise concerns. Draft minutes from the December 2019 meeting reflect ongoing debates about air quality, health, and safety impacts stemming from airport expansion projects like the International and North Terminals.
    TagsBurien Airport Committee, EIS, Environmental Impact Statement, NEPA, StART
  • 2019-12-19

    Notes from phone conversation with Matt Adams – 12/19/19 at 11 a.m.

    These documents relate to community and legal efforts surrounding Sea-Tac Airport flight path and environmental policy in late 2019 and early 2020. They include notes from a December 2019 call with attorney Matt Adams discussing the aftermath of a 9th Circuit Court ruling against the FAA's automated flight turn over Burien, and a letter from 350 Seattle urging Washington State to include climate impacts in a comprehensive Sea-Tac Airport impact study. Key topics include cumulative environmental review requirements, potential EIS obligations under NEPA, and the significant greenhouse gas emissions attributed to Sea-Tac operations.
    TagsCATEX, EIS, Ninth Circuit Court of Appeals, Quiet Skies Coalition, SAMP
  • 2018-09-27

    Alaska Airlines 2018 Scoping Comment Letter on Sea-Tac Airport Sustainable Airport Master Plan Environmental Review

    In a September 2018 letter to the Port of Seattle, Alaska Airlines urged that the environmental review of Sea-Tac Airport's Sustainable Airport Master Plan (SAMP) be conducted as a full Environmental Impact Statement (EIS) rather than the less rigorous Environmental Assessment (EA) proposed by the Port and FAA. The airline argued that an EIS would provide stronger legal protection, more meaningful public input, and ultimately prove more cost-effective by reducing litigation risk. Alaska Airlines also pushed back on the Port's plan to focus expansion alternatives solely on a North Terminal, advocating instead for serious consideration of extending and modifying existing Main Terminal concourses as a viable alternative.
    TagsAlaska Air, EIS, NEPA, SAMP, Shane Jones
  • Transcript alaskaairlines 2018 scoping comment pdf
    2018-09-27

    Alaska Airlines 2018 Scoping Comment Letter on Sea-Tac Airport Sustainable Airport Master Plan Environmental Review

    September 27, 2018 letter from Shane Jones of Alaska Airlines to Steve Rybolt, Port of Seattle Aviation Environmental and Sustainability, commenting on the scoping process for the Sustainable Airport Master Plan (SAMP) proposed environmental assessment at Seattle-Tacoma International Airport (Sea-Tac Airport). Alaska Airlines argues the Port and FAA should conduct a full Environmental Impact Statement
    TagsAlaska Air, EIS, NEPA, SAMP, Shane Jones

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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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