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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.

TagAirport Cooperative Research Program(12)

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  • 2026-01-01

    Transitioning to Unleaded Aviation Gasoline: A Guide and Tools

    ACRP Research Report 284, published by the National Academies of Sciences, Engineering, and Medicine under the Airport Cooperative Research Program (ACRP), sponsored by the Federal Aviation Administration (FAA). Guide and tools for airports transitioning from leaded avgas (100LL) to unleaded aviation gasoline (UAvGas), covering fuel transition planning, general aviation fuel compatibility, lead emissions reduction, and
    TagsAirport Cooperative Research Program, Alternative Fuels, Aviation Fuel, FAA, General Aviation
  • Transitioning to unleaded gasoline pdf
    2026-01-01

    Transitioning to Unleaded Aviation Gasoline: A Guide and Tools

    ACRP Research Report 284, published by the National Academies of Sciences, Engineering, and Medicine under the Airport Cooperative Research Program (ACRP), sponsored by the Federal Aviation Administration (FAA). Guide and tools for airports transitioning from leaded avgas (100LL) to unleaded aviation gasoline (UAvGas), covering fuel transition planning, general aviation fuel compatibility, lead emissions reduction, and
    TagsAirport Cooperative Research Program, Alternative Fuels, Aviation Fuel, FAA, General Aviation
  • 2026-01-01

    Understanding the Transition to Unleaded Aviation Gasoline: A Primer

    ACRP Research Focus primer developed under ACRP Project 03-73, published by the National Academies of Sciences, Engineering, and Medicine via the Transportation Research Board and Airport Cooperative Research Program (ACRP), sponsored by the Federal Aviation Administration (FAA). Covers the transition from 100LL avgas (aviation gasoline containing tetraethyllead) to unleaded aviation gasoline for general aviation piston
    TagsAirport Cooperative Research Program, Alternative Fuels, AvGas, Aviation Fuel, General Aviation
  • Understanding the transition primer pdf
    2026-01-01

    Understanding the Transition to Unleaded Aviation Gasoline: A Primer

    ACRP Research Focus primer developed under ACRP Project 03-73, published by the National Academies of Sciences, Engineering, and Medicine via the Transportation Research Board and Airport Cooperative Research Program (ACRP), sponsored by the Federal Aviation Administration (FAA). Covers the transition from 100LL avgas (aviation gasoline containing tetraethyllead) to unleaded aviation gasoline for general aviation piston
    TagsAirport Cooperative Research Program, Alternative Fuels, AvGas, Aviation Fuel, General Aviation
  • 2024-05-11

    Understanding airport air quality and public health studies related to airports: Chapter 4 – Air quality health impacts and risks

    This chapter explains the health risks associated with air pollutants commonly found near airports, including both criteria pollutants like carbon monoxide, lead, and particulate matter, and hazardous air pollutants like volatile organic compounds and polycyclic aromatic hydrocarbons. It describes how these pollutants can cause a range of health effects, from mild irritation to serious conditions such as respiratory disease, cardiovascular illness, and cancer. Smaller particulate matter is highlighted as a particular concern near airports, as it can penetrate deeper into the lungs and occurs at higher concentrations near aircraft operations.
    TagsAirport Cooperative Research Program, EPA, Health, National Academies of Sciences
  • 2019-06-01

    ACRP Legal Research Digest 37: Legal Issues Relating to Airports Promoting Competition

    This 2019 legal research digest examines how U.S. airports can legally encourage competition among airlines and fixed-base operators (FBOs) while complying with federal grant requirements. It covers the impact of airline industry consolidation, the rules airports must follow to avoid unfair discrimination or granting exclusive rights, and practical strategies for accommodating carriers with different business models.
    TagsAIP, Airline Deregulation Act, Airport Cooperative Research Program, Airport Law, Passenger Facility Charges
  • 2013-01-01

    Guidelines for airport sound insulation programs

    This 2013 report from the National Academies provides updated guidelines for airport sound insulation programs (SIPs), helping airport sponsors manage the process of reducing aircraft noise in homes, schools, hospitals, and other noise-sensitive buildings. It covers key topics such as construction contracting, federal funding requirements, and best practices for working with homeowners and contractors on government-funded renovation projects. The guidelines are intended for use by airport staff, consultants, and FAA offices in developing compliant noise compatibility programs.
    TagsAIP, Airport Cooperative Research Program, FAA, Noise Mitigation, Sound Insulation
  • 2009-01-01

    Airport Governance and Ownership

    This 2009 report from the National Academies examines how publicly-owned airports in the United States are governed and owned, covering the range of entities—from city governments to special airport authorities—that oversee the country's approximately 4,150 public-use airports. It analyzes the legal principles and state and federal laws that shape airport governance structures, and evaluates the advantages and disadvantages of different models, including privatization. The findings are intended to help communities assess whether their current airport governance arrangements are working effectively or could benefit from change.
    TagsAirport Cooperative Research Program, Airport Law, Airports, National Academies of Sciences, Transportation Research Board
  • 2009-01-01

    Compilation of noise programs in areas outside DNL 65

    This 2009 report from the Airport Cooperative Research Program (ACRP) examines how airports across the country manage aircraft noise in communities that fall outside the standard DNL 65 decibel threshold typically used in federal noise policy. Compiled by consultants from Harris Miller Miller & Hanson, Inc., the synthesis documents real-world airport practices for addressing noise concerns in lower-noise areas that are nonetheless affected by flight operations. The findings are intended to help airport operators, planners, and policymakers develop more responsive and comprehensive noise mitigation strategies beyond federally mandated boundaries.
    TagsAirport Cooperative Research Program, DNL65, FAA, Noise Mitigation, Transportation Research Board
  • 2009-01-01

    Compilation of noise programs in areas outside DNL 65

    This 2009 report from the Airport Cooperative Research Program (ACRP) examines how airports across the country manage aircraft noise in communities that fall outside the standard DNL 65 decibel threshold typically used in federal noise policy. Compiled by consultants from Harris Miller Miller & Hanson, Inc., the synthesis documents real-world airport practices for addressing noise concerns in lower-noise areas that are nonetheless affected by flight operations. The findings are intended to help airport operators, planners, and policymakers develop more responsive and comprehensive noise mitigation strategies beyond federally mandated boundaries.
    TagsAirport Cooperative Research Program, DNL65, FAA, Noise Mitigation, Transportation Research Board

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Upcoming Events

  • 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

    [...]
  • 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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