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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.
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  • 1998-04-20

    EXH AR035981: Comment Binder B — Letters to the Corps and Ecology During Second Public Comment Period (April–April 1998)

    Port of Seattle Comment Binder B for Seattle-Tacoma International Airport Master Plan Update, containing letters submitted to the U.S. Army Corps of Engineers during the second public comment period (April 9–20, 1998) and comments to Washington State Department of Ecology during the entire public comment period (December 19, 1997–April 29, 1998). Includes a letter dated
    TagsACC, Army Corp of Engineers, Auburn Wetland, Environmental Impact Statement, FAA, Pollution Control Hearings Board, Port Of SeattleFolderBox 15
  • 1998-04-15

    EXH AR041627: USDA APHIS Animal Damage Control Letter to U.S. Army Corps of Engineers Opposing New Wetlands Within 10,000 Feet of Sea-Tac Airport Runways

    Letter dated April 15, 1998 from J. Gary Oldenburg, USDA Animal and Plant Health Inspection Service (APHIS) Animal Damage Control, State Director WA/AK/HI/Pacific Islands, to Jonathan Friedman, U.S. Army Corps of Engineers Seattle District, follow-up to public hearing of April 9, 1998. Strongly opposes establishment of any new wetlands within 10,000 feet of runways at
    TagsACC, Army Corp of Engineers, Environmental Impact Statement, FAA, Pollution Control Hearings Board, Safety, Sea-Tac AirportFolderBox 17
  • 1998-04-09

    EXH AR041625: Letter from USDA Wildlife Services to U.S. Army Corps of Engineers Regarding Wetland Mitigation at Sea-Tac Airport

    April 9, 1998 letter from Gary Oldenburg, USDA Animal and Plant Health Inspection Service (APHIS) Wildlife Services State Director for WA/AK/HI/Pacific Islands, to Jonathan Friedman, U.S. Army Corps of Engineers Seattle District, regarding wildlife hazards at Sea-Tac Airport. Argues that wetland mitigation measures at SeaTac Airport should be conducted off-site, citing FAA Advisory Circular 150/5200-33
    TagsACC, Army Corp of Engineers, FAA, Part 139, Pollution Control Hearings Board, Sea-Tac AirportFolderBox 17
  • 1997-07-03

    EXH AR041146: FAA Record of Decision for Sea-Tac Airport Master Plan Update Development Actions

    FAA Northwest Mountain Region Record of Decision (ROD) dated July 3, 1997, providing final Federal Aviation Administration approval for Sea-Tac International Airport Master Plan Update development actions adopted by Port of Seattle (POS) Commission Resolution #3212 (August 1, 1996) and amended by Resolution No. 3245 (May 27, 1997). Approves a new 8500-foot dependent air carrier
    TagsACC, Environmental Impact Statement, FAA, Pollution Control Hearings Board, Port Of Seattle, Sea-Tac Airport Master Plan, Third RunwayFolderBox 17
  • 1997-05-13

    Final Supplemental Environmental Impact Statement for the Proposed Master Plan Update Development Actions at Seattle-Tacoma International Airport, Volume 1: Main Text and Appendices A through C-1

    This 1997 Final Supplemental Environmental Impact Statement (SEIS) examines the environmental effects of proposed expansion plans at Seattle-Tacoma International Airport, including construction of a new third parallel runway, terminal improvements, and parking upgrades. The study was prompted by faster-than-expected growth in air travel demand during the mid-1990s, which exceeded earlier forecasts and required updated analysis of noise, air quality, wetland, and community impacts. The document was jointly prepared by the FAA and the Port of Seattle to ensure the proposed developments met federal and Washington State environmental policy requirements.
    TagsEIS, Environmental Impact Statement, FAA, NEPA, Sea-Tac Airport, Third RunwayFolderSTIAMPU-EISStudy TopicsAir Quality, Noise, Socioeconomics, Transportation
  • 1997-05-01

    Appendix D: Environmental Evaluation of Year 2020 Impacts and a Forecast Greater Than the New Forecast

    This appendix from Seattle-Tacoma International Airport's Final Supplemental Environmental Impact Statement evaluates potential environmental impacts through the year 2020 under three scenarios, including the new Port forecast and cases where aviation demand grows 10% faster than projected. Key findings indicate that noise impacts are expected to remain below current levels in all scenarios, with 'With Project' improvements producing roughly 53% of current noise conditions by 2020. The analysis also examines air quality, enplanement levels, and aircraft operations across both Do-Nothing and preferred alternatives to guide long-term airport planning.
    TagsEnvironmental Impact Statement, FAA, Port Of Seattle, Sea-Tac Airport, Third RunwayFolderSTIAMPU-EIS
  • 1997-05-01

    Advisory circular: Hazardous wildlife attractants on or near airports

    This 1997 FAA Advisory Circular provides guidance on identifying and managing land uses near public airports that attract hazardous wildlife, such as waste disposal sites, wastewater treatment facilities, and wetlands. It recommends minimum separation distances — 5,000 feet for piston-powered aircraft airports and 10,000 feet for turbine-powered aircraft airports — between wildlife attractants and aircraft movement areas. The document notes that gulls, waterfowl, and raptors are among the most common wildlife involved in damaging aircraft strikes, and urges airport operators, land use planners, and developers to avoid practices that increase wildlife hazards near airports.
    TagsFAA, Land Use, SafetyFolderFAA
  • 1997-05-01

    EXH AR1080: Advisory Circular AC 150/5200-33 — Hazardous Wildlife Attractants On or Near Airports

    FAA Advisory Circular AC 150/5200-33, dated 5/1/97, initiated by AAS-310 and APP-600, signed by David L. Bennett, Director of Office of Airport Safety and Standards. Provides guidance on locating land uses that attract hazardous wildlife to or near public-use airports. Covers siting criteria: 5,000 feet separation for piston-powered aircraft airports, 10,000 feet for turbine-powered aircraft
    TagsACC, FAA, Land Use, Pollution Control Hearings Board, SafetyFolderBox 17
  • 1997-05-01

    EXH AR040519: Final Supplemental Environmental Impact Statement for Proposed Master Plan Update Development Actions at Seattle-Tacoma International Airport

    Final Supplemental Environmental Impact Statement (SEIS) dated May 1997, prepared jointly by the FAA Northwest Mountain Region (responsible official Dennis Ossenkop) and Port Of Seattle (SEPA contact Barbara Hinkle), for proposed Master Plan Update development actions at Seattle-Tacoma International Airport. Covers proposed 8,500-foot third parallel runway (Runway 16X/34X) located 2,500 feet west of existing Runway
    TagsACC, Environmental Impact Statement, FAA, Pollution Control Hearings Board, Port Of Seattle, Sea-Tac Airport Master Plan, Third RunwayFolderBox 17
  • 1997-04-21

    Executive order 13045 protection of children from environmental health risks and safety risks

    Executive Order 13045, signed by President Clinton in April 1997, directs federal agencies to identify and address environmental health and safety risks that disproportionately affect children, recognizing that children are more vulnerable due to their developing bodies and behaviors. The order establishes a Task Force co-chaired by the Secretary of Health and Human Services and the EPA Administrator to coordinate federal research and recommend protective strategies. It also requires agencies to evaluate the effects of significant regulations on children's health and safety before those rules take effect.
    TagsCEQ, Environmental Health & Safety News, Environmental Protection Agency, Executive Orders, FAA, HealthFolderEPA

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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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