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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.

TagSTCP(140)

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  • Stcp chapter unk pg unknown zoning and land use map unk 2
    1976-06-16

    POS 1053 Zoning and Land Use Map — Sea-Tac Airport Area (Revised June 16, 1976)

    A planning or zoning map labeled 'POS 1053' (revised June 16, 1976, document section 6.6.5) showing the area surrounding Seattle-Tacoma International Airport, including grid sections M, N, O, and P in rows 14–17, S.R. 518, 24th Avenue, 148th Street, 144th Street, 12th Avenue S., and nearby landmarks such as Sunny Terrace Elementary, Sunnydale Elementary, and Riverton Heights Elementary, with a designated 'North Conversion Area' visible in the upper right.
    TagsLand Use, Map, Sea-Tac Airport, STCPFoldermaps
  • 1976-05-19

    King County Council Planning and Community Development Committee meeting notice

    King County Councilman Paul Barden of the Seventh District notified constituents of a Planning and Community Development Committee meeting scheduled for May 19, 1976 at 9:30 A.M. in the King County Courthouse. The meeting was called to discuss a letter from the Port of Seattle concerning the Sea-Tac Communities Plan, a planning initiative related to the area surrounding Seattle-Tacoma International Airport. While the meeting was open to the public, it was not a formal public hearing, and no public testimony was to be accepted.
    CategoriesMeetings Tagscommunity engagement, King County, Port Of Seattle, Sea-Tac Communities Plan, STCPFoldercommittees
  • 1976-02-01

    Highline Communities Plan: Goals, Objectives, Policies

    The Highline Communities Plan (1976) is a King County planning document that builds on the Sea-Tac Communities Plan to improve neighborhoods surrounding Sea-Tac Airport. It establishes goals, policies, and implementation actions covering drainage, pollution, natural resource protection, and land use to support communities that are to be maintained rather than acquired or redeveloped due to airport noise impacts. The plan outlines specific measures such as sanitary sewering, surface water management, and open space preservation to achieve a quality living environment in the Highline area.
    CategoriesHistory TagsHCP, Highline Communities Plan, Highline Community Plan, King County, Sea-Tac Communities Plan, STCPFolderHighline Community Plan
  • 1975-05-27

    Part 6 – chapter 6.7 map supplement

    Chapter 6.7 map supplement from the Sea-Tac Communities Plan showing proposed land use plans for the airport and surrounding vicinity. The document contains color-coded maps displaying various land use categories including residential, commercial, industrial, and airport facilities.
    TagsLand Use, Map, Port Of Seattle, Sea-Tac Communities Plan, STCPFolderfinal plan
  • Stcp chapter unk pg 11 sr 509 corridor 2
    1975-04-22

    SR 509 Corridor Planning Map — Sea-Tac Communities Plan (POS 955), April 1975

    A planning map from the Sea-Tac Communities Plan (POS 955), sponsored by the Port of Seattle and King County, showing the existing S.R. 509 alignment, the proposed S.R. 509 extension, and the south airport access route in the vicinity of Seattle-Tacoma International Airport. The document is dated revised 4/22/75 and is identified as page 11, section 6.6.2.
    TagsKing County, Map, Sea-Tac Communities Plan, SR509, STCPFoldermaps
  • Stcp chapter unk pg 11 sr 509 corridor
    1975-04-22

    STCP SR 509 Corridor Planning Map — Sea-Tac/Burien Area, April 1975

    A planning map from the Sea-Tac Communities Plan (document section 6.6.2) depicting the S.R. 509 corridor, showing the existing S.R. 509 route, proposed S.R. 509 extension, and south airport access roads in the SeaTac/Burien area of King County, Washington. The map is sponsored by the Port of Seattle and King County, revised April 22, 1975, and identifies key roads including Des Moines Way, Military Road, Highway 99, and Interstate 5.
    TagsKing County, Map, Sea-Tac Communities Plan, SR509, STCPFoldermaps
  • Stcp chapter 662 pg 17 conversion and reinforcement
    1975-04-22

    Sea-Tac Communities Plan Map 6.6.2 — Conversion and Reinforcement Areas (April 1975)

    This is map sheet 6.6.2 (POS 21121, revised April 22, 1975) from the Sea-Tac Communities Plan, sponsored by the Port of Seattle and King County. It shows the area around Seattle-Tacoma International Airport with land-use designations including current airport lands, acquisition zones, conversion areas, reinforcement areas, and the proposed S.R. 509 corridor, overlaid on a street grid map extending from Puget Sound eastward.
    TagsLand Use, Map, Sea-Tac Airport, Sea-Tac Communities Plan, STCPFoldermaps
  • 1975-04-22

    Development concept: the airport and the communities

    This document outlines a development concept addressing the relationship between Sea-Tac International Airport and its surrounding communities. While the airport contributes significantly to the regional economy—supporting over 15,200 jobs and $390 million in annual business activity—local residents have long struggled with aircraft noise, uncertainty about airport expansion, and the impact on property values and neighborhood character. The concept seeks to find greater compatibility between the airport's growth and the needs of the communities it affects.
    TagsEconomic Impacts, Noise, Sea-Tac Airport, Sea-Tac Communities Plan, STCPFolderfinal plan
  • Stcp chapter 423 pg 4 relationship of hotel rooms to air passengers
    1975-04-22

    Sea-Tac Airport STCP Section 4.2.3: Air Passengers vs. Hotel Rooms Forecast, 1960–1993

    A dual-axis chart from a Sea-Tac Airport planning document (revised April 22, 1975, section 4.2.3) plotting historical and forecast air passenger volumes against hotel room counts from 1960 to 1993. The chart projects growth from 5,205,157 passengers and 1,749 hotel rooms in 1973 to 15,100,000 passengers and 4,159 rooms by 1993, using hotel room growth as an indicator of airport-related activity expansion.
    TagsForecast, Sea-Tac Airport, Statistics, STCPFoldermaps
  • 1975-01-06

    Safety Has Always Been An Issue – Notes on Organizations and Land Acquisition

    Safety has always been an issue at Sea-Tac Airport, with the S.T.C.P., FAA, King County, and P.O.S. acknowledging concerns through their acceptance of ADAP funds for the Interim Land Acquisition. Residents acquired in the acquisition were never given the option of staying or moving, as the area was designated a safety zone where no residences would be allowed to remain. A separate note on the reverse raises questions about the Kellogs and others connected to the matter.
    TagsADAP, Buyouts, Port Of Seattle, property, STCP, Virginia DanaFoldermisc

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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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