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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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  • 2026-09-06

    49 USC 47110j: Allowable Project Costs (Includes Smith NDAA Amendment 8801)

    Full text of 49 USC §47110, governing allowable project costs under the Airport Improvement Program (AIP). Covers allowable cost standards including grant agreement compliance, incentive payments for early contractor completion (capped at 5% of initial contract or $1,000,000), noise compatibility programs, letters of intent for primary, reliever, nonhub, and small airports, nonallowable costs (public parking,
    TagsAdam Smith, AIP, Airport Improvement Program, FAA, GrantsFolderUSC & CFR
  • 47110 allowable project costs smith 1 pdf
    2026-09-06

    49 USC 47110j: Allowable Project Costs (Includes Smith NDAA Amendment 8801)

    Full text of 49 USC §47110, governing allowable project costs under the Airport Improvement Program (AIP). Covers allowable cost standards including grant agreement compliance, incentive payments for early contractor completion (capped at 5% of initial contract or $1,000,000), noise compatibility programs, letters of intent for primary, reliever, nonhub, and small airports, nonallowable costs (public parking,
    TagsAdam Smith, AIP, Airport Improvement Program, FAA, GrantsFolderUSC & CFR
  • Uscode 2024 title49 subtitlevii partb chap471 subchapi sec47110 pdf
    2026-09-06

    49 U.S.C. § 47110 Allowable Project Costs

    49 U.S.C. § 47110 from Title 49 Transportation, governing allowable project costs under the Airport Improvement Program (AIP). Covers standards for allowable costs including grant agreement compliance, incentive payments for early contractor completion, noise compatibility programs, letters of intent for primary, reliever, nonhub, and non-primary airports, nonallowable costs (public parking, airport buildings, decorative landscaping, sculpture),
    TagsAIP, Airport Improvement Program, FAA, Grants, LegislationFolderUSC & CFR
  • Appendix o agency and public engagement copy new new 1 pdf
    2026-08-29

    Appendix O: Agency & Public Engagement (with responses)

    Appendix O of the FAA NEPA Draft Environmental Assessment (EA) for the Sustainable Airport Master Plan (SAMP) at Sea-Tac Airport. Documents agency and public engagement activities during the EA process, including coordination under NEPA (42 U.S.C. 4321 et seq.), FAA Orders 1050.1F and 5050.4B, and CEQ regulations (40 CFR parts 1500-1508). Notes regulatory changes including
    Tagscommunity engagement, FAA, NEPA, SAMP, Sea-Tac AirportFolderAppendices
  • Sd16 sm banner
    2026-08-19

    Hurtado’s Aviation Infrastructure Bill Clears Assembly and Returns to Senate for Final Legislative Push

    August 20, 2026 Sacramento, Calif. (August 20, 2026)— Senator Melissa Hurtado’s SB 661 cleared a major legislative hurdle after passing the Assembly with unanimous support, moving California one step closer to strengthening regional airports, modernizing aviation infrastructure and expanding air service across the state. The Assembly amended SB 661 before passage, sending the measure back
    CategoriesFrom The Web TagsAviation Fuel, CAL661, FAA
  • Urlhttp3a2f2fnpr brightspot.s3.amazonaws.com2fdb2fd72f6117fc5f45b9a7d8e2a0a32322a62fas noc 1
    2026-08-09

    The FAA wants to reboot the nation’s airspace. This airline shows how it might work

    National August 10, 20265:00 AM ET Heard on Morning Edition Joel Rose Transcript Download Transcript Dispatchers in Alaska Airlines’ Network Operations Center near the Seattle-Tacoma International Airport. Joe Nicholson/Alaska Airlines On a typical day, Alaska Airlines operates roughly 1,500 flights, most of them guided by a team of dispatchers on the sixth floor of an
    CategoriesFrom The Web TagsAlaska Air, FAA, NPR
  • Dcw5yweh8qnxhkqpxuds 3780 1000
    2026-08-09

    KCIA Vision 2045 Airport Plan and Part 150 Study

    King County International Airport is planning for the future. Learn more about the Vision 2045 Airport Plan and the Part 150 Study and how to provide your input throughout the planning process. Help us plan for the future of King County International Airport King County International Airport (KCIA) is undertaking two important studies to plan
    CategoriesFrom The Web TagsBoeing Field, community engagement, FAA, KCIA, King County, Noise, Part 150
  • 2026-07-30

    August Plane Talk: Boeing Seafair Air Show, New VFR Routes, and Airport News

    Boeing Seafair Air Show runs today through Sunday The U.S. Navy Blue Angels during practice yesterday at King County International Airport-Boeing Field.  The Boeing Seafair Air Show kicks off today and runs through Sunday. Along with the U.S. Navy Blue Angels, performers include Torrey Ward’s Microjet and the U.S. Marine Corps F-35B, a vertical takeoff
    CategoriesFrom The Web Tagsaircraft, community engagement, FAA, King County
  • 202607230900mct photo oped connecting flights commentary filepic get
    2026-07-25

    Connecting flights would be less of a gamble with this data

    There are nearly 20,000 airports in the United States with more than 16 million flights handled by the FAA annually, the author writes. Pictured are travelers at Washington Dulles International Airport on May 22. (Andrew Harnik/Getty Images North America/TNS) By Sheldon H. Jacobson Special to Tribune News Service The summer travel period is here, with
    CategoriesFrom The Web TagsCommercial Aviation, Editorial, FAA, Seattle Times
  • 2026-07-21

    Quiet Communities, Inc. et al. v. United States Environmental Protection Agency et al., Case No. 23-cv-1649 (JMC) — Memorandum opinion and order

    A federal court ruled in 2023 that the EPA had unreasonably delayed for over 40 years in carrying out its legal duties under the Noise Control Act of 1972, which requires the agency to regulate environmental noise, publish noise-related reports, and help state and local governments develop noise control programs. Although President Reagan defunded the EPA's noise office in 1982, Congress never actually repealed the Noise Control Act, meaning the EPA's obligations under the law remained in force. The court granted partial summary judgment in favor of the plaintiffs, finding the EPA's inaction on four key counts unlawful.
    TagsEnvironmental Protection Agency, EPA, FAA, Noise Control Act of 1972, Noise Pollution, Quiet CommunitiesFolderEPA

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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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