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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 1001 - 1020 of 2072 results
  • AC 20123 Avoiding or Minimizing Encounters with Aircraft Equipped with Depleted Uranium Balance Weights During Accident Investigations
    AC 20-123: Avoiding or Minimizing Encounters with Aircraft Equipped with Depleted Uranium Balance Weights During Accident Investigations
    United States. Department of Transportation. Federal Aviation Administration
    1984-12-20 | PDF
    This advisory circular provides information and guidance to individuals who come in contact with depleted uranium contained in aircraft control surfaces during accident investigations.
  • AC 20124 Water Ingestion Testing for Turbine Powered Airplanes
    AC 20-124: Water Ingestion Testing for Turbine Powered Airplanes
    United States. Department of Transportation. Federal Aviation Administration
    1985-09-30 | PDF
    This advisory circular (AC) describes a method of demonstrating compliance with the requirements of the Federal Aviation Regulations (FAR) concerning the ingestion of water from the runway/taxiway surface into the airspeed system, the engine, and essential auxiliary power unit (APU)l air inlet ducts of turbine engine powered airplanes. Like all adv ...
  • AC 20125 Water in Aviation Fuels
    AC 20-125: Water in Aviation Fuels
    United States. Department of Transportation. Federal Aviation Administration
    1985-12-10 | PDF
    This advisory circular (AC) alerts the aviation community to the potential hazards of water in aviation fuels. In addition, it outlines recommended procedures to prevent, detect, and eliminate water in the fuel systems of aircraft.
  • AC 20126 Manufacturing Inspection Field Office Directory
    AC 20-126: Manufacturing Inspection Field Office Directory
    United States. Department of Transportation. Federal Aviation Administration
    1986-12-18 | PDF
    This advisory circular (AC) is issued to advise the general public and industry of the nearest point of contact to obtain information regarding the issuance of type certificates and changes hereto, the issuance of production and/or airworthiness approvals.
  • AC 20126A Aircraft Certification Service Field Office Directory
    AC 20-126A: Aircraft Certification Service Field Office Directory
    United States. Department of Transportation. Federal Aviation Administration
    1989-11-14 | PDF
    This advisory circular (AC) is issued to advise the general public and industry of the nearest point of contact to obtain information regarding the issuance of type and supplemental type certificates and changes hereto, the issuance of production and/or airworthiness approvals.
  • AC 20126D Aircraft Certification Service Field Office Listing
    AC 20-126D: Aircraft Certification Service Field Office Listing
    United States. Department of Transportation. Federal Aviation Administration
    1993-04-14 | PDF
    This advisory circular is issued to the general public and industry. It provides the nearest points of contact for information on issuance of type and supplemental type certificates and changes, a s well a s , issuance of production and/or airworthiness approvals.
  • AC 20126E Aircraft Certification Service Field Office Listing
    AC 20-126E: Aircraft Certification Service Field Office Listing
    United States. Department of Transportation. Federal Aviation Administration
    1995-01-17 | PDF
    This advisory circular is issued to the general public and industry. It provides the nearest points of contact for information on issuance of type and supplemental type certificates and changes, as well as, issuance of production and/or airworthiness approvals.
  • AC 20126F Aircraft Certification Service Field Office Listing
    AC 20-126F: Aircraft Certification Service Field Office Listing
    United States. Department of Transportation. Federal Aviation Administration
    1997-08-12 | PDF
    This advisory circular is issued to the general public and industry. It provides the nearest points of contact for information on issuance of type and supplemental type certificates and changes, as well as issuance of production and/or airworthiness approvals.
  • AC 20126G Aircraft Certification Service Field Office Listing
    AC 20-126G: Aircraft Certification Service Field Office Listing
    United States. Department of Transportation. Federal Aviation Administration
    1999-11-30 | PDF
    This advisory circular is issued to the general public and industry. It provides the nearest points of contact for information on issuance of type and supplemental type certificates and changes, as well as issuance of production and/or airworthiness approvals.
  • AC 20127 Use of Society of Automotive Engineers SAE Class H11 Bolts
    AC 20-127: Use of Society of Automotive Engineers (SAE) Class H11 Bolts
    United States. Department of Transportation. Federal Aviation Administration
    1987-07-08 | PDF
    This Advisory Circular (AC) provides guidance on the use of Society of Automotive Engineers (SAE) Class Hll bolts in primary structure on all aircraft, including gliders and manned free balloons, and on aircraft engines and propellers.
  • AC 20128 Design Considerations for Minimizing Hazards Caused by Uncontained Turbine Engine and Auxiliary Power Unit Rotor and Fan Blade Failures
    AC 20-128: Design Considerations for Minimizing Hazards Caused by Uncontained Turbine Engine and Auxiliary Power Unit Rotor and Fan Blade Failures
    United States. Department of Transportation. Federal Aviation Administration
    1988-03-09 | PDF
    This advisory circular (AC) sets forth a method of compliance with the requirements of §§ 23.903(b)(1), 25.901(d) and 25.903(d)(1) of the Federal Aviation Regulations (FAR) pertaining to design precautions taken to minimize the hazards to an airplane in the event of uncontained engine or auxiliary power unit (APU) rotor (compressor and turbine) fai ...
  • AC 20128A Design Considerations for Minimizing Hazards Caused by Uncontained Turbine Engine and Auxiliary Power Unit Rotor Failure
    AC 20-128A: Design Considerations for Minimizing Hazards Caused by Uncontained Turbine Engine and Auxiliary Power Unit Rotor Failure
    United States. Department of Transportation. Federal Aviation Administration
    1997-03-25 | PDF
    This advisory circular (AC) sets forth a method of compliance with the requirements of §§ 23.901(f), 23.903(b)(1), 25.901(d) and 25.903(d)(1) of the Federal Aviation Regulations (FAR) pertaining to design precautions taken to minimize the hazards to an airplane in the event of uncontained engine or auxiliary power unit (APU) rotor failures.
  • AC 20129 Airworthiness Approval of Vertical Navigation VNAV Systems for Use in the US National Airspace System NAS and Alaska
    AC 20-129: Airworthiness Approval of Vertical Navigation (VNAV) Systems for Use in the U.S. National Airspace System (NAS) and Alaska
    United States. Department of Transportation. Federal Aviation Administration
    1988-09-12 | PDF
    This advisory circular establishes an acceptable means, but not the only means, of obtaining airworthiness approval of an airborne vertical navigation system for use under VFR (visual flight rules) and IFR (instrument flight rules) within the conterminous United States, Alaska, and surrounding U.S. waters. Like all advisory material, this advisory ...
  • AC 2012 Acceptable Functional and Installation Criteria for Aircraft Type Certification Approval of the Installation of Airborne Communication Navigation and Automatic Flight Control Systems
    AC 20-12: Acceptable Functional and Installation Criteria for Aircraft Type Certification Approval of the Installation of Airborne Communication, Navigation, and Automatic Flight Control Systems
    United States. Department of Transportation. Federal Aviation Administration
    1964-04-06 | PDF
    This circular is to advise all concerned parties of the intended future plans of the Agency regarding the subject matter.
  • AC 20130 Airworthiness Approval of MultiSensor Navigation Systems for Use in the US National Airspace System NAS and Alaska
    AC 20-130: Airworthiness Approval of Multi-Sensor Navigation Systems for Use in the U.S. National Airspace System (NAS) and Alaska
    United States. Department of Transportation. Federal Aviation Administration
    1988-09-12 | PDF
    This advisory circular (ac) establishes an acceptable means, but not the only means, of obtaining airworthiness approval of a multi-sensor area 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 20130A Airworthiness Approval of Navigation or Flight Management Systems Integrating Multiple Navigation Sensors
    AC 20-130A: Airworthiness Approval of Navigation or Flight Management Systems Integrating Multiple Navigation Sensors
    United States. Department of Transportation. Federal Aviation Administration
    1995-06-14 | PDF
    This advisory circular (AC) establishes an acceptable means, but not the only means, of obtaining airworthiness approval of multi-sensor navigation or flight management systems (hereafter referred to as multi-sensor equipment) integrating data from multiple navigation sensors for use as a navigation system for oceanic and remote, domestic en route, ...
  • AC 20131 Airworthiness and Operational Approval of Traffic Alert and Collision Avoidance Systems TCAS II and Mode S Transponders
    AC 20-131: Airworthiness and Operational Approval of Traffic Alert and Collision Avoidance Systems (TCAS II) and Mode S Transponders
    United States. Department of Transportation. Federal Aviation Administration
    1988-10-03 | PDF
    This advisory circular (AC) provides guidance material for the airworthiness and operational approval of Traffic Alert and Collision Avoidance Systems (TCAS II) and Mode S transponders. Like all AC material, this AC Is not mandatory and does not constitute a regulation.
  • AC 20131A Airworthiness Approval of Traffic Alert and Collision Avoidance Systems TCAS II and Mode S Transponders
    AC 20-131A: Airworthiness Approval of Traffic Alert and Collision Avoidance Systems (TCAS II) and Mode S Transponders
    United States. Department of Transportation. Federal Aviation Administration
    1993-03-29 | PDF
    This advisory circular (AC) provides guidance material for the airworthiness approval of Traffic Alert and Collision Avoidance Systems (TCAS II ) and Mode S transponders.
  • AC 20132 Public Aircraft
    AC 20-132: Public Aircraft
    United States. Department of Transportation. Federal Aviation Administration
    1988-12-21 | PDF
    This advisory circular (AC) provides guidance that public aircraft status under the Federal Aviation Act (FA Act) does not permit operations outside the territorial limits of the United States without a valid U.S. airworthiness certificate.
  • AC 20134 Test Procedures for Maximum Allowable Airspeed Indicators
    AC 20-134: Test Procedures for Maximum Allowable Airspeed Indicators
    United States. Department of Transportation. Federal Aviation Administration
    1990-02-14 | PDF
    This advisory circular provides guidance concerning test procedures which may be used in showing compliance with the standards in Technical Standard Order C46a.
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