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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.

TagSea-Tac Airport(2026)

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  • 2022-05-30

    Port Package Program Photo — May 30, 2022

    TagsPort Package Program Updates, Port Packages, Sea-Tac Airport
  • 2022-05-30

    Port Package Program Photo — May 2022

    TagsNoise Mitigation, Port Packages, Sea-Tac Airport
  • 2022-05-26

    Air Quality Monitoring (AQM) Presentation: Sea-Tac Airport Flight Tracks and Airfield Overview

    This document contains airfield mapping and flight-track data related to Seattle-Tacoma International Airport (Sea-Tac), showing Port of Seattle lease boundaries, zone match lines, and recorded aircraft flight paths in the surrounding region. It includes a radar playback capture from August 14, 2019, depicting a FedEx 397 missed approach and an Alaska 807 departure with a non-standard turn at approximately 2,130 feet MSL. The materials appear to be part of an airport noise or operations review archive documenting aircraft movement patterns around Sea-Tac.
    TagsAir Quality Monitors, AIRTRAC, Flight Tracks, Port Of Seattle, Sea-Tac Airport
  • Smith aqm presentation pdf
    2022-05-26

    Air Quality Monitoring (AQM) Presentation: Sea-Tac Airport Flight Tracks and Airfield Overview

    Presentation by Leonard John Mark Smith (Smith AQM) showing aerial maps and flight track data for Sea-Tac Airport. Includes Port Of Seattle lease boundary and zone match line boundary map at 1-inch equals 1,000 feet scale, an aerial overview of the airfield with labeled areas including Transportation Security Administration (TSA), Weatherhaven, and Mount Rainier International
    TagsAir Quality Monitors, AIRTRAC, Flight Tracks, Port Of Seattle, Sea-Tac Airport
  • 2022-05-19

    Seattle Eight Departure (SEA8.SEA) — Standard Instrument Departure Chart

    The Seattle Eight Departure (SEA8.SEA) is a standard instrument departure procedure for Seattle-Tacoma International Airport, outlining specific climb headings and routes for each runway to guide aircraft safely after takeoff. A notable noise-abatement provision requires large turbine-powered aircraft departing runways 34L, 34C, and 34R between 10 PM and 6 AM local time to be vectored over Puget Sound before proceeding on course. The procedure requires radar and assigns top altitude by ATC, with special minimum climb gradients applicable to runways 16R and 16L.
    TagsATC, FAA, Noise Abatement Procedures, Sea-Tac Airport
  • Seattle EIGHT SID Flightaware SEA DP All 8 Pdf
    2022-05-19

    Seattle Eight Departure (SEA8.SEA) — Standard Instrument Departure Chart

    FAA Standard Instrument Departure (SID) chart AL-582 for the Seattle Eight Departure (SEA8.SEA) from Seattle-Tacoma International Airport (KSEA), Seattle, Washington, effective 19 MAY 2022, revised NW-1 22 FEB 2024 to 21 MAR 2024. Covers departure routes for runways 16R, 16C, 16L, 34R, 34C, and 34L using SEA VOR (116.8, Chan 115) radials R-341 and R-161.
    TagsATC, FAA, Noise Abatement Procedures, Sea-Tac Airport
  • Masonic Home of Des Moines, Washington (Now Landmark on the Sound)

    The image shows the Landmark on the Sound facility, a large historic building with red tile roofs, an American flag, and a clearly visible sign reading 'Landmark on Sound.' This property is located near Renton, Washington, in the Sea-Tac Airport noise impact area and has been associated with discussions about airport noise mitigation and land use planning.
    TagsDes Moines, Historic Preservation, Land Use, Noise Mitigation, Sea-Tac Airport
  • 2022-04-12

    Port Of Seattle commission regular meeting agenda

    The Port of Seattle Commission held a virtual regular meeting on April 12, 2022, covering airport-related capital projects including a briefing on the C Concourse Expansion Project and authorization requests for construction contracts at Seattle-Tacoma International Airport. The agenda also included a Sound Transit briefing on the West Seattle and Ballard Link Extensions Draft Environmental Impact Statement, which touches on the Ballard/Interbay corridor near port facilities. Public comment was accepted by email or phone only, with no in-person attendance permitted under Governor Inslee's pandemic proclamations.
    CategoriesMeetings TagsPort Of Seattle, Port Of Seattle Commission, Sea-Tac Airport, Sound Transit
  • 2022 04 12 rm hyperlinked electronic binder pdf
    2022-04-12

    Port Of Seattle commission regular meeting agenda

    Preliminary agenda for the Port of Seattle Commission regular meeting covering consent agenda items including budget approvals, construction contracts, property matters, and presentations on Sound Transit extensions, diversity in contracting, and youth internship programs. Meeting conducted virtually due to COVID-19 restrictions.
    CategoriesMeetings TagsPort Of Seattle, Port Of Seattle Commission, Sea-Tac Airport, Sound Transit
  • 2022 04 12 rm 8f pdf
    2022-04-12

    Authorization for the executive director to execute a settlement agreement to resolve easement dispute and claims for damages

    Port of Seattle Commission agenda item requesting authorization to execute a $1,290,000 settlement agreement with Wesley Homes to resolve disputes over avigation easements and damage claims. The settlement includes acoustical testing, noise mitigation funding pursuit, Part 150 update commitment, and attorney fee reimbursement.
    TagsAvigation Easement, Noise Mitigation, Part 150, Port Of Seattle Commission, Sea-Tac Airport

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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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  • Commercial Aviation Work Group
    Add to CalendarMThursday Sep 3, 10:00am - 1:30pm
    Virtual Meeting (Zoom)
    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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