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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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  • National Transportation Noise Map (dot.gov)

    TagsDepartment Of Transportation, Map, Noise
  • ILA SeaTac 2018 Pg 22 Airport Activity Areas

    This official map from the City of SeaTac depicts Airport Activity Areas (AAA) surrounding Seattle-Tacoma International Airport, distinguishing zones inside the AAA, outside the AAA, future AAA, and additions. The map shows surrounding streets, neighboring cities (Burien, Tukwila, Normandy Park), light rail stations (SeaTac/Airport, Tukwila International Blvd, Angle Lake), major highways (I-5, I-405, SR-509, SR-518, SR-599), and was prepared on 11/9/2007 by the City of SeaTac/Port of Seattle using King County, HBIS, and Sound Transit data.
    TagsCity Of SeaTac, ILA, MapFolderSeaTac
  • 2018-12-04

    Exhibit A: Airport Dining and Retail Master Plan Space CC-06

    This document is a floor plan exhibit from Seattle-Tacoma International Airport's Airport Dining and Retail Master Plan, dated December 4, 2018, identifying a specific retail or dining space designated CC-06 located in Concourse C. The highlighted space is shown on a detailed map of the concourse layout, pinpointing its position along the main concourse corridor. The exhibit was produced for planning and leasing reference purposes related to the airport's dining and retail program.
    TagsMap, Master Plan, Port Of Seattle, Sea-Tac Airport, TerminalFolder2018
  • 2018-12-04

    Exhibit B: Airport Dining and Retail Master Plan Space NS-23

    This document is a floor plan exhibit identifying retail or dining space NS-23 located in the North Satellite terminal at Seattle-Tacoma International Airport, dated December 4, 2018. The highlighted space is part of the Airport Dining and Retail Master Plan and is shown in blue on the terminal map. It serves as a reference document for leasing or planning purposes related to commercial concession spaces within the North Satellite.
    TagsMap, Master Plan, North Satellite, Port Of Seattle, Sea-Tac AirportFolder2018
  • 2018-03-01

    Flight track map depicts aircraft operations for Seattle – Tacoma International Airport on March 1-2, 2018

    These flight track maps from the Port of Seattle show aircraft arrival, departure, and overflight paths at Seattle-Tacoma International Airport on March 1–2, 2018. On March 1, the airport operated predominantly in South Flow (87% of operations, 953 flights), with a brief period of North Flow (13%, 145 flights); on March 2, all 1,118 operations were conducted entirely in South Flow. The maps illustrate how flight corridors shift direction depending on the flow configuration, affecting which surrounding communities—such as those north of the airport near Shoreline and Mountlake Terrace versus those to the south near Auburn and Pacific—experience the greatest noise exposure.
    TagsFlight Tracks, Flow, Map, Port Of Seattle, Sea-Tac AirportFolderFlight Tracks
  • 18 120 dailyftmbyflow page 2
    2018-03-01

    Sea-Tac Airport Daily Flight Track Map by Flow — North Flow Operations, March 1, 2018

    Port of Seattle flight track map showing aircraft operations at Seattle-Tacoma International Airport on March 1, 2018, depicting North Flow operations only. The map displays overflights (blue), departures (green), and arrivals (red), with data indicating North Flow accounted for 13% of operations (145 flights) and South Flow 87% (953 flights) on that date.
    TagsFlight Tracks, Flow, Map, Sea-Tac AirportFolderFlight Tracks
  • 2018-01-01

    DNL65 Boundary Map (2018)

    This document contains a series of maps outlining a highlighted geographic zone spanning several Seattle-area neighborhoods, including Glendale, Southern Heights, Boulevard Park, and North SeaTac. The yellow-shaded areas, bordered in red, appear to delineate a specific study or policy boundary likely related to Sea-Tac Airport noise impact zones. Streets and landmarks such as Hamm Creek Natural Area, Des Moines Memorial Drive, and Southern Heights Park are visible within and around the designated boundary.
    TagsDNL65, Map, Noise, Noise Boundary, Part 150, Sea-Tac AirportFolderPart 150
  • Dnl 2018 65
    2018-01-01

    Sea-Tac Airport DNL 65 Noise Contour Map with 2018 Noise Complaints — Burien, White Center, and Tukwila

    An OpenStreetMap-based map of the Seattle–Tacoma area showing Sea-Tac Airport's flight corridor, marked with a highlighted orange corridor zone and a black oval outline indicating the primary noise impact area. Red dot clusters represent noise complaints or flight track incidents concentrated over the Burien, White Center, and Tukwila neighborhoods south of Seattle, with a secondary cluster further south near Federal Way.
    TagsDNL65, Flight Tracks, Map, Noise Complaints, Part 150, Sea-Tac AirportFolderDNL65
  • 2018-01-01

    Grid 5: Sea-Tac Airport Area Map (2018)

    This aerial map covers the residential and commercial areas surrounding Sea-Tac Airport, spanning portions of Burien, SeaTac, Tukwila, and unincorporated King County. It highlights key landmarks including Southern Heights Elementary School, Hilltop Elementary School, Rainier Golf and Country Club, and Glen Acres Country Club, along with major roadways such as SR 99, SR 599, Des Moines Memorial Drive S, and Military Road S. Turquoise boundary lines appear to delineate specific noise impact or study zones relevant to airport policy planning in the region.
    TagsBurien, King County, Map, Part 150, Sea-Tac Airport, TukwilaFolder2013
  • 2018-01-01

    Grid 4 (2018): Aerial Map of Sea-Tac Area Including Glacier High School, Sunset Park, and North Sea-Tac Softball Fields

    This map depicts the area surrounding Seattle-Tacoma International Airport, showing the airport's runway layout (including runways 16R, 16C, and 16L) alongside nearby neighborhoods in Burien and SeaTac. Two overlaid flight-path or noise-contour corridors (shown in teal/green and gold) arc across the surrounding residential and parkland areas, illustrating the geographic extent of aircraft noise impact. Notable landmarks within the affected area include Glacier High School, Sunset Park, and the North SeaTac Softball Fields, highlighting the communities exposed to airport-related noise.
    TagsBurien, Map, North Sea-Tac Park, Part 150, Runways, Sea-Tac AirportFolder2013

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Upcoming Events

  • Part 150 NCP Workshop — Burien
    Add to CalendarMSaturday Oct 17: 10:00am

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]
  • Part 150 NCP Workshop — SeaTac
    Add to CalendarMMonday Oct 19: 6:00pm

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]
  • Part 150 NCP Workshop — Des Moines
    Add to CalendarMTuesday Oct 20: 6:00pm

    Attend a Port of Seattle open house on the Part 150 Study Noise Compatibility Program (NCP). The Part 150 program determines the noise boundary around the airport and opportunities for noise mitigation such as sound insulation.

    [...]

[See all...]


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.
read more...

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.
continue...

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