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  • 2024-07-12

    Noise standards: Aircraft type and airworthiness certification (14 CFR Part 36)

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    Title 14 CFR Part 36 sets the federal noise standards that aircraft must meet to receive type and airworthiness certificates from the FAA. It covers a wide range of aircraft, including large commercial jet airplanes, propeller-driven small and commuter planes, helicopters, and tiltrotors, establishing specific noise measurement, evaluation, and limit requirements for each category. These rules are relevant to airports like Sea-Tac because they define the baseline noise performance standards that aircraft operating in the area must satisfy.

  • CFR Title 14 Part 161 NOTICE AND APPROVAL OF AIRPORT NOISE AND ACCESS RESTRICTIONS

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    Title 14: Aeronautics and Space PART 161—NOTICE AND APPROVAL OF AIRPORT NOISE AND ACCESS RESTRICTIONS Contents Subpart A—General Provisions §161.1   Purpose. §161.3   Applicability. §161.5   Definitions. §161.7   Limitations. §161.9   Designation of noise description methods. §161.11   Identification of land uses in airport noise study area. Subpart B—Agreements §161.101   Scope. §161.103   Notice of the proposed restriction. §161.105   Requirements for new entrants. §161.107   Implementation of the restriction. §161.109   Notice of
  • 2025-07-02

    14 CFR part 150 — Airport noise compatibility planning

    14 CFR Part 150 sets out the federal rules for airport noise compatibility planning, establishing how airports must measure noise, map affected areas, and develop programs to reduce conflicts between aircraft noise and nearby land uses. It defines key terms such as day-night average sound level (DNL), compatible and noncompatible land use, and noise exposure maps, and it outlines the process by which the FAA reviews and approves or disapproves airport noise compatibility programs. Importantly, FAA approval of such a program does not itself commit federal funding or authorize specific actions without further environmental review.
  • 2025-07-02

    14 CFR part 150 — Airport noise compatibility planning

    14 CFR Part 150 sets out the federal rules for airport noise compatibility planning, establishing how airports must measure noise, map affected areas, and develop programs to reduce conflicts between aircraft noise and nearby land uses. It defines key terms such as day-night average sound level (DNL), compatible and noncompatible land use, and noise exposure maps, and it outlines the process by which the FAA reviews and approves or disapproves airport noise compatibility programs. Importantly, FAA approval of such a program does not itself commit federal funding or authorize specific actions without further environmental review.
  • 2025-02-21

    49 CFR Part 830 — NTSB Rules for Aircraft Accident Notification and Reporting (February 21, 2025)

    This is page 1 of 6 of 49 CFR Part 830 from the eCFR, governing NTSB rules for notification and reporting of aircraft accidents, incidents, and overdue aircraft, and preservation of aircraft wreckage, mail, cargo, and records. The document is dated February 21, 2025, under Title 49 Transportation, Chapter VIII National Transportation Safety Board.
  • 2024-07-12

    14 CFR Part 161 — Notice and approval of airport noise and access restrictions

    14 CFR Part 161 sets out the federal rules governing how airports like Sea-Tac must notify the public and obtain FAA approval before imposing noise and access restrictions on aircraft operations. It covers different requirements depending on whether restrictions apply to older Stage 2 aircraft or newer Stage 3 aircraft, including mandatory analysis, public comment periods, and formal FAA review. Airports that fail to follow these procedures risk losing federal grant funds and passenger facility charges.
  • 2024-07-12

    14 CFR part 93 subpart K — High density traffic airports

    This federal regulation identifies certain U.S. airports as 'high density traffic airports' and sets hourly limits on the number of IFR (instrument flight rules) takeoffs and landings allowed there. The designated airports include LaGuardia, Newark, O'Hare, Ronald Reagan National, and John F. Kennedy, with specific caps assigned to air carriers, commuter airlines, and other users. Note that this regulation does not apply to Sea-Tac Airport and pertains to air traffic slot management rather than noise policy.