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FAA Advisory Circulars

rosaP Repository & Open Science Access Portal

FAA Advisories concern how to comply with airworthiness regulations. This collection was published from 1957 to 2000. The FAA Advisory Circular System was established for the publication of nonregulatory guidance and informational material to the public. Bookmark this collection: https://rosap.ntl.bts.gov/collection_faacirculars or https://doi.org/10.21949/1530829.

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Showing 1021 - 1040 of 2072 results
  • AC 20135 Powerplant Installation and Propulsion System Component Fire Protection Test Methods Standards and Criteria
    AC 20-135: Powerplant Installation and Propulsion System Component Fire Protection Test Methods, Standards, and Criteria
    United States. Department of Transportation. Federal Aviation Administration
    1990-02-06 | PDF
    This advisory circular (AC) provides guidance for use in demonstrating compliance with the powerplant fire protection requirements of the Federal Aviation Regulations (FAR).
  • AC 20136 Protection of Aircraft Electrical Electronic Systems Against the Indirect Effects of Lightning
    AC 20-136: Protection of Aircraft Electrical/ Electronic Systems Against the Indirect Effects of Lightning
    United States. Department of Transportation. Federal Aviation Administration
    1990-03-05 | PDF
    This advisory circular (AC) provides guidance on how to comply with the requirements of the Federal Aviation Regulations (FAR) relating to protection of aircraft electrical systems from the effects of lightning.
  • AC 20137 Dynamic Evaluation of Seat Restraint Systems and Occupant Restraint for Rotorcraft Normal and Transport
    AC 20-137: Dynamic Evaluation of Seat Restraint Systems and Occupant Restraint for Rotorcraft (Normal and Transport)
    United States. Department of Transportation. Federal Aviation Administration
    1992-03-30 | PDF
    This advisory circular (AC) provides guidance regarding acceptable means, but not the only means, of compliance with Parts 27 and 29 of the Federal Aviation Regulations (FAR) applicable to dynamic testing of seats intended for use in normal and transport category rotorcraft.
  • AC 20138 Airworthiness Approval of Global Positioning System GPS Navigation Equipment for Use as A VFR and IFR Supplemental Navigation System
    AC 20-138: Airworthiness Approval of Global Positioning System (GPS) Navigation Equipment for Use as A VFR and IFR Supplemental Navigation System
    United States. Department of Transportation. Federal Aviation Administration
    1994-05-25 | PDF
    This advisory circular (AC) establishes an acceptable means, but not the only means, of obtaining airworthiness approval of Global Positioning System (GPS) equipment for use as a supplemental navigation system for oceanic and remote, domestic en route, terminal, and non-precision instrument approach [except localizer, localizer directional aid (LDA ...
  • AC 20139 Commercial Assistance During Construction of AmateurBuilt Aircraft
    AC 20-139: Commercial Assistance During Construction of Amateur-Built Aircraft
    United States. Department of Transportation. Federal Aviation Administration
    1996-04-03 | PDF
    This advisory circular (AC) explains current Federal Aviation Regulations (FAR) and Federal Aviation Administration (FAA) policy for the fabrication and assembly of amateur-built aircraft. It provides information and guidance to persons involved in the construction of amateur-built aircraft, the manufacture of kits designed to be assembled into air ...
  • AC 2013 GroundEffect Vehicles
    AC 20-13: Ground-Effect Vehicles
    United States. Department of Transportation. Federal Aviation Administration
    1963-11-04 | PDF
    This circular states Agency policy on the question whether ground-effect vehicles (those that derive their support from a cushion of compressed air) are aircraft as defined by the Federal Aviation Act of 1958.
  • AC 2013A SurfaceEffect Vehicles
    AC 20-13A: Surface-Effect Vehicles
    United States. Department of Transportation. Federal Aviation Administration
    1964-08-28 | PDF
    This circular states Agency policy on the question whether ground-effect vehicles (those that derive their support from a cushion of compressed air) are aircraft as defined by the Federal Aviation Act of 1958.
  • AC 20140 Guidelines for Design Approval of Aircraft Data Communications Systems
    AC 20-140: Guidelines for Design Approval of Aircraft Data Communications Systems
    United States. Department of Transportation. Federal Aviation Administration
    1999-08-16 | PDF
    This advisory circular (AC) is issued to support the introduction of data communications applications for air traffic services (ATS). Ultimately, the International Civil Aviation Organization (ICAO) will use data communications applications to implement the communication, navigation, and surveillance (CNS) concepts that describe the future air navi ...
  • AC 20141 Airworthiness and Operational Approval of Digital Flight Data Recorder Systems
    AC 20-141: Airworthiness and Operational Approval of Digital Flight Data Recorder Systems
    United States. Department of Transportation. Federal Aviation Administration
    1999-10-05 | PDF
    This advisory circular (AC) provides guidance on design, installation, and continued airworthiness of Digital Flight Data Recorder Systems (DFDRS). This AC is not mandatory and is not a regulation. It outlines one method of compliance with Title 14 of the Code of Federal Regulations.
  • AC 2014 Aircraft Airworthiness
    AC 20-14: Aircraft Airworthiness
    United States. Department of Transportation. Federal Aviation Administration
    1963-10-25 | PDF
    This circular sets forth the information needed "by the Federal Aviation Agency for type certification of aircraft in the restricted category with uncertificated engines or engines to -which major alterations have "been made.
  • AC 2015 Qualification of Type Certificated Engines for Aircraft Installations
    AC 20-15: Qualification of Type Certificated Engines for Aircraft Installations
    United States. Department of Transportation. Federal Aviation Administration
    1963-11-30 | PDF
    This circular brings attention to the relationship between Civil Air Regulations, Part 13, Aircraft Engine Airworthiness, and the applicable aircraft and rotorcraft airworthiness parts. .
  • AC 2015A Qualification of Type Certificated Engines and Propellers for Aircraft Installations
    AC 20-15A: Qualification of Type Certificated Engines and Propellers for Aircraft Installations
    United States. Department of Transportation. Federal Aviation Administration
    1966-03-24 | PDF
    This circular calls attention to the relationship between both Federal Aviation Regulations Parts 33 (Aircraft Engine Airworthiness) and 35 (Propeller Airworthiness) and various aircraft airworthiness parts.
  • AC 2016 Airframe AntiIcing System for Viscount Aircraft
    AC 20-16: Airframe Anti-Icing System for Viscount Aircraft
    United States. Department of Transportation. Federal Aviation Administration
    1963-12-20 | PDF
    This circular is to disseminate information regarding anti-icing tests on the Viscount aircraft and to emphasize the importance of complying with the anti-icing procedures in the approved Airplane Flight Manual.
  • AC 2017 Surplus Military Aircraft
    AC 20-17: Surplus Military Aircraft
    United States. Department of Transportation. Federal Aviation Administration
    1964-01-06 | PDF
    This circular sets forth the method of obtaining copies of regulations which might be required for certification of surplus military aircraft.
  • AC 2017A Surplus Aircraft of the Armed Forces
    AC 20-17A: Surplus Aircraft of the Armed Forces
    United States. Department of Transportation. Federal Aviation Administration
    1972-03-07 | PDF
    This circular sets forth the method of obtaining copies of regulations which might be required for certification of surplus aircraft of the armed forces.
  • AC 2017B Surplus Military Aircraft
    AC 20-17B: Surplus Military Aircraft
    United States. Department of Transportation. Federal Aviation Administration
    1972-10-11 | PDF
    This circular sets forth the method of obtaining copies of Federal Aviation Regulations-which might be required for certification of surplus military aircraft.
  • AC 2018A Qualification Testing of Turbojet Engine Thrust Reversers
    AC 20-18A: Qualification Testing of Turbojet Engine Thrust Reversers
    United States. Department of Transportation. Federal Aviation Administration
    1966-03-16 | PDF
    This circular discusses the requirements for the qualification of thrust reversers and sets forth an acceptable means of compliance with the tests prescribed in Federal Aviation Regulations. Part 33, when run under non-standard ambient air conditions. It is not the purpose of this circular to discuss additional requirements for thrust reversers con ...
  • AC 2019 Identification of Approved Aeronautical Replacement Parts
    AC 20-19: Identification of Approved Aeronautical Replacement Parts
    United States. Department of Transportation. Federal Aviation Administration
    1964-01-29 | PDF
    This circular is to advise of the FAA methods for identifying aeronautical replacement parts and how it may be determined that such parts are approved for installation on certificated aircraft.
  • AC 2019A Identification of Approved Aeronautical Replacement Parts
    AC 20-19A: Identification of Approved Aeronautical Replacement Parts
    United States. Department of Transportation. Federal Aviation Administration
    1966-01-19 | PDF
    This circular is to advise of the FAA methods for identifying aeronautical replacement parts and how it may be determined that such parts are approved for installation on certificated aircraft.
  • AC 2020 Flammability of Jet Fuels
    AC 20-20: Flammability of Jet Fuels
    United States. Department of Transportation. Federal Aviation Administration
    1964-02-11 | PDF
    This circular presents information on the factors which determine the possibility of combustion in aircraft fuel tanks in the event an ignition source should occur. Interest has focused on this subject due to the possibility that a lightning strike was responsible for a recent aircraft accident.
1021 - 1040 / 2072