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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 981 - 1000 of 2072 results
  • AC 20110E Index of Aviation Technical Standard Orders
    AC 20-110E: Index of Aviation Technical Standard Orders
    United States. Department of Transportation. Federal Aviation Administration
    1988-08-29 | PDF
    This advisory circular (PC) describes the public procedure the Federal Aviation Administration (FAA) will use to develop and issue Technical Standard Orders (TSO's) for aeronautical products to be used on civil aircraft. The AC presents an index of the FAA TSO's which contain minimum performance standards for specified materials, parts, processes, ...
  • AC 20110H Index of Aviation Technical Standard Orders
    AC 20-110H: Index of Aviation Technical Standard Orders
    United States. Department of Transportation. Federal Aviation Administration
    1993-05-06 | PDF
    This advisory circular (AC) describes the public procedure the Federal Aviation Administration (FAA) will use to develop and issue Technical Standard Orders (TSO's) for aeronautical articles to be used on civil aircraft.
  • AC 20110L Index of Aviation Technical Standard Orders
    AC 20-110L: Index of Aviation Technical Standard Orders
    United States. Department of Transportation. Federal Aviation Administration
    2000-10-10 | PDF
    This advisory circular (AC) describes the public procedures the Federal Aviation Administration (FAA) will use to develop and issue Technical Standard Orders (TSO) for aeronautical articles to be used on civil aircraft.
  • AC 20111 Communication Interference Caused by Unintentional Keyed Microphones
    AC 20-111: Communication Interference Caused by Unintentional Keyed Microphones
    United States. Department of Transportation. Federal Aviation Administration
    1980-10-10 | PDF
    This advisory circular alerts the aviation community to the potential hazards created by unintentional keying of microphones resulting in radio transmissions from airborne, mobile, and ground based radio transmitters and gives guidance on alleviating ensuing hazards.
  • AC 20112 Airworthiness and Operational Approval of Airborne Systems to Be Used in Lieu of A Ground Proximity Warning SystemS GPWS
    AC 20-112: Airworthiness and Operational Approval of Airborne Systems to Be Used in Lieu of A Ground Proximity Warning System(S) (GPWS)
    United States. Department of Transportation. Federal Aviation Administration
    1981-02-19 | PDF
    This advisory circular provides information and guidance regarding the airworthiness and operational approval of airborne Equipment/system(s) in accordance with Federal Aviation Regulations (FAR) § 135.153, paragraphs (b) and (c).
  • AC 20113 Pilot Precautions and Procedures to Be Taken in Preventing Aircraft Reciprocating Engine Induction System and Fuel System Icing Problems
    AC 20-113: Pilot Precautions and Procedures to Be Taken in Preventing Aircraft Reciprocating Engine Induction System and Fuel System Icing Problems
    United States. Department of Transportation. Federal Aviation Administration
    1981-10-22 | PDF
    This circular provides information pertaining to aircraft engine induction system icing and the use of fuel additives to reduce the hazards of aircraft operation that may result from the presence of water and ice in aviation gasoline and aircraft fuel systems.
  • AC 20114 Manufacturers Service Documents
    AC 20-114: Manufacturers Service Documents
    United States. Department of Transportation. Federal Aviation Administration
    1981-10-20 | PDF
    This advisory circular suggests acceptable methods by which product manufacturers may indicate Federal Aviation Administration (FAA) approval of recommended actions prescribed in manufacturers' service documents.
  • AC 20115 Radio Technical Commission for Aeronautics RTCA Document DO178
    AC 20-115: Radio Technical Commission for Aeronautics (RTCA) Document DO-178
    United States. Department of Transportation. Federal Aviation Administration
    1982-09-03 | PDF
    This Advisory Circular (AC) calls attention to the Radio Technical Commission for Aeronautics (RTCA) Document DO-178, "Software Considerations in Airborne Systems and Equipment Certification." It discusses how the document may be applied with FAA Technical Standard Order (TSO), Type Certification (TC), and Supplemental Type Certification (STC) auth ...
  • AC 20115A Radio Technical Commission for Aeronautics Document RTCADO178a
    AC 20-115A: Radio Technical Commission for Aeronautics Document RTCA/DO-178a
    United States. Department of Transportation. Federal Aviation Administration
    1986-08-12 | PDF
    This advisory circular calls attention to the Radio Technical Commission for Aeronautics (RTCA) Document RTCA/DO-178A, "Software Considerations in Airborne Systems and Equipment Certification," issued March 1985. It discusses how the document may be applied with Federal Aviation Administration technical standard order (TSO), type certification (TC) ...
  • AC 20115B RTCA Inc Document RTCADO178B
    AC 20-115B : RTCA, Inc., Document RTCA/DO-178B
    United States. Department of Transportation. Federal Aviation Administration
    1993-01-11 | PDF
    This advisory circular calls attention to RTCA, Inc., (formerly the Radio Technical Commission for Aeronautics) Document RTCA/DO-178B, "Software Considerations in Airborne Systems and Equipment Certification," issued December 1992. It discusses how the document may be applied with Federal Aviation Administration technical standard order (TSO) autho ...
  • AC 20116 Marking Aircraft Fuel Filler Openings with Color Coded Decals
    AC 20-116: Marking Aircraft Fuel Filler Openings with Color Coded Decals
    United States. Department of Transportation. Federal Aviation Administration
    1982-09-17 | PDF
    This Advisory Circular (AC) discusses the conditions under which color coded decals may be used to comply with the requirements in Parts 23, 25, 27, and 29 of the Federal Aviation Regulations for marking fuel filler openings.
  • AC 20117 Hazards Following Ground Deicing and Ground Operations in Conditions Conducive to Aircraft Icing
    AC 20-117: Hazards Following Ground Deicing and Ground Operations in Conditions Conducive to Aircraft Icing
    United States. Department of Transportation. Federal Aviation Administration
    1982-12-17 | PDF
    To emphasize the "Clean Aircraft Concept" following ground operations in conditions conducive to aircraft icing and to provide information to assist in compliance.
  • AC 20118 Emergency Evacuation Demonstration from Small Airplanes
    AC 20-118: Emergency Evacuation Demonstration from Small Airplanes
    United States. Department of Transportation. Federal Aviation Administration
    1983-07-12 | PDF
    This advisory circular sets forth acceptable means, but not the only means, of showing compliance with the Federal Aviation Regulations (FAR) applicable to required emergency evacuation demonstrations from small airplanes with a passenger seating capacity, excluding pilot seats, of 10 or more.
  • AC 20118A Emergency Evacuation Demonstration
    AC 20-118A: Emergency Evacuation Demonstration
    United States. Department of Transportation. Federal Aviation Administration
    1987-03-09 | PDF
    This advisory circular (AC) sets forth acceptable means, but not the only means, of showing compliance with the Federal Aviation Regulations (FAR) applicable to required emergency evacuation demonstrations from airplanes certified to the requirements of SFAR 23, SFAR 41, Appendix A of Part 135, or Part 23, commuter category. This material is neithe ...
  • AC 20119 Fuel Drain Valves
    AC 20-119: Fuel Drain Valves
    United States. Department of Transportation. Federal Aviation Administration
    1983-02-07 | PDF
    This advisory circular provides an acceptable means, but not the only means, of compliance with the requirements of the Federal Aviation Regulations (FAR) for positive locking of fuel drain valves in the closed position.
  • AC 2011 Eligibility and Quality of Aircraft Replacement Parts and Supplies
    AC 20-11: Eligibility and Quality of Aircraft Replacement Parts and Supplies
    United States. Department of Transportation. Federal Aviation Administration
    1963-08-18 | PDF
    This circular is to advise the aircraft industry of an increasing amount of replacement parts and supplies being offered for sale as aircraft products but which may not meet acceptable standards for use on certificated aircraft.
  • AC 20121 Airworthiness Approval of Airborne LoranC Systems for Use in the US National Airspace System
    AC 20-121: Airworthiness Approval of Airborne Loran-C Systems for Use in the U.S. National Airspace System
    United States. Department of Transportation. Federal Aviation Administration
    1984-08-23 | PDF
    This advisory circular establishes an acceptable means, but not the only means, of obtaining airworthiness approval of airborne Loran-C navigation systems for use under visual flight rules (VFR), and instrument flight rules (IFR) as an area navigation (RNAV) system within the conterminous United States, Alaska, and surrounding U.S. waters.
  • AC 20121A Airworthiness Approval of LoranC Navigation Systems for Use in the US National Airspace System NAS and Alaska
    AC 20-121A: Airworthiness Approval of Loran-C Navigation Systems for Use in the U.S. National Airspace System (NAS) and Alaska
    United States. Department of Transportation. Federal Aviation Administration
    1988-08-24 | PDF
    This advisory circular establishes an acceptable means, but not the only means, of obtaining airworthiness approval of a Loran-C navigation system for use under VFR (visual flight rules) and IFR (instrument flight rules) within the conterminous United States, Alaska, and surrounding United States waters.
  • AC 20122 AntiMisfueling Devices
    AC 20-122: Anti-Misfueling Devices
    United States. Department of Transportation. Federal Aviation Administration
    1984-10-05 | PDF
    This advisory circular (AC) explains the benefits of fitting reciprocating engine-powered general aviation aircraft with anti-misfueling devices and the fitting of fuel dispensing equipment with special fuel hose nozzle spouts.
  • AC 20122A AntiMisfueling Devices
    AC 20-122A: Anti-Misfueling Devices
    United States. Department of Transportation. Federal Aviation Administration
    1991-01-29 | PDF
    This advisory circular (AC) explains the benefits of fitting reciprocating engine-powered general aviation aircraft with anti-misfueling devices and the fitting of fuel dispensing equipment with special fuel hose nozzle spouts.
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