U.S. flag An official website of the United States government.
Official websites use .gov

A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

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.

(6)
(9)
(21)
(24)
(19)
(26)
(23)
(36)
(22)
(29)
(21)
(30)
(34)
(44)
(39)
(51)
(52)
(48)
(48)
(54)
(59)
(54)
(57)
(72)
(95)
(67)
(73)
(82)
(86)
(83)
(78)
(86)
(94)
(73)
(84)
(114)
(91)
(81)
(6)
(1)
0 of 40
(2072)
0 of 1
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(2)
(2)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(2)
(4)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
(1)
0 of 1000
(1)
(2072)
0 of 2
(1)
(1764)
(1)
(1)
(1)
(60)
(1995)
(1)
(2)
(5)
(1)
(4)
(1)
(4)
(3)
(1)
(2)
(244)
(1)
(7)
(1)
(1)
(1)
(1)
(50)
(1)
(15)
(1)
(1)
(1)
(1)
(3)
(1)
(1)
(1)
(1)
(1)
(1)
(3)
(2)
(1)
(4)
(1)
(1989)
(3)
(7)
(1)
(1)
(1)
(2)
(1)
(1)
(47)
(1)
(2)
(1)
(2)
(2)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
(3)
(4)
(2)
(1)
(1)
(1)
(1)
(1)
(2)
(1)
(46)
(1)
(2)
(3)
(1)
(7)
(1)
(1)
(1)
(9)
0 of 86
(2072)
0 of 1
(2072)
0 of 1
Showing 2001 - 2020 of 2072 results
  • AC 9127 Systemsworthiness Analysis Program General Aviation
    AC 91-27: Systems-worthiness Analysis Program - General Aviation
    United States. Department of Transportation. Federal Aviation Administration
    1969-10-30 | PDF
    This Advisory Circular provides information on the adaptation of the Systemsworthiness Analysis Program to certain activities in general aviation.
  • AC 9127A Systemsworthiness Analysis Program General Aviation
    AC 91-27A: Systems-worthiness Analysis Program - General Aviation
    United States. Department of Transportation. Federal Aviation Administration
    1970-12-16 | PDF
    This advisory circular explains the purpose and applicability of the Systemsworthiness Analysis Program (SWAP) to certificated air taxis, repair stations, pilot and aviation maintenance technician schools that are operated under the privileges of certificates issued by the Federal Aviation Administration.
  • AC 9128 Unexpected Opening of Cabin Doors
    AC 91-28: Unexpected Opening of Cabin Doors
    United States. Department of Transportation. Federal Aviation Administration
    1969-12-23 | PDF
    This advisory circular outlines the importance of assuring that cabin doors are properly closed prior to takeoff.
  • AC 91291 Special Structural Inspections
    AC 91-29-1: Special Structural Inspections
    United States. Department of Transportation. Federal Aviation Administration
    1968-01-08 | PDF
    This circular discusses occurrences which may cause structural damage affecting the airworthiness of aircraft. It also encourages operators to review their system for handling those occurrences which justify a special structural inspection of the aircraft involved.
  • AC 9129 Radar Transponder Requirements
    AC 91-29: Radar Transponder Requirements
    United States. Department of Transportation. Federal Aviation Administration
    1970-03-30 | PDF
    This circular describes certain aspects of the planned operation of the Air Traffic Control Radar Beacon System (ATCRBS) which will be of interest to aircraft operators who expect to use radar transponders in their aircraft.
  • AC 912 ILS and Visual Glide Slope Techniques
    AC 91-2: ILS and Visual Glide Slope Techniques
    United States. Department of Transportation. Federal Aviation Administration
    1963-02-20 | PDF
    To establish FAA policy regarding bracketing maneuvers below the ILS or visual glide slope.
  • AC 9130 Terminal Control Areas TCA
    AC 91-30: Terminal Control Areas (TCA)
    United States. Department of Transportation. Federal Aviation Administration
    1970-06-11 | PDF
    This Advisory Circular explains the TCA concept and answers some of the most frequently asked questions pertaining to TCA. This Circular is designed to assist persons in complying with the requirements of Part 91 pertaining to TCA.
  • AC 9131 FAR Requirement for the Filing of Flight Plans for Flights Between Mexico and the United States
    AC 91-31: FAR Requirement for the Filing of Flight Plans for Flights Between Mexico and the United States
    United States. Department of Transportation. Federal Aviation Administration
    1971-02-01 | PDF
    This advisory circular informs pilots of the requirements of section 91.12(c) of Part 91 of the Federal Aviation Regulations.
  • AC 9132 Safety in and Around Helicopters
    AC 91-32: Safety in and Around Helicopters
    United States. Department of Transportation. Federal Aviation Administration
    1971-05-07 | PDF
    This advisory circular provides suggestions to improve helicopter safety by means of acquainting non-flight crew personnel and passengers with the precautions and procedures necessary to avoid undue hazards.
  • AC 9132A Safety in and Around Helicopters
    AC 91-32A: Safety in and Around Helicopters
    United States. Department of Transportation. Federal Aviation Administration
    1979-06-21 | PDF
    This advisory circular provides suggestions to improve helicopter safety by means of acquainting flight and non-flight crew personnel and passengers with the precautions and procedures necessary to avoid undue hazards.
  • AC 9133 Use of Alternate Grades of Aviation Gasoline for Grade 8087
    AC 91-33: Use of Alternate Grades of Aviation Gasoline for Grade 80/87
    United States. Department of Transportation. Federal Aviation Administration
    1971-10-06 | PDF
    This circular provides information relating to the use of alternate grades of aviation gasoline when grade 80/87 is not available, and the resultant effects of the use of the alternate fuels which may have higher TEL (tetraethyl lead) content. Some suggestions are offered as acceptable means of avoiding engine operating difficulties when using high ...
  • AC 9133A Use of Alternate Grades of Aviation Gasoline for Grade 8087 and Use of Automotive Gasoline
    AC 91-33A: Use of Alternate Grades of Aviation Gasoline for Grade 80/87, and Use of Automotive Gasoline
    United States. Department of Transportation. Federal Aviation Administration
    1984-07-18 | PDF
    This circular provides information relating to the use of alternate grades of gasoline when Grade 80/87 aviation gasoline Is not available and to the resultant effects of the use of alternate fuels which have higher TEL (tetraethyl lead) content. Suggestions are offered as acceptable means of avoiding engine operating difficulties when using altern ...
  • AC 9134 Model Aircraft Operating Standards
    AC 91-34: Model Aircraft Operating Standards
    United States. Department of Transportation. Federal Aviation Administration
    1972-07-01 | PDF
    This advisory circular outlines safety standards for operators of model aircraft, and encourages voluntary compliance with these standards.
  • AC 9136 VFR Flight Near NoiseSensitive Areas
    AC 91-36: VFR Flight Near Noise-Sensitive Areas
    United States. Department of Transportation. Federal Aviation Administration
    1972-08-07 | PDF
    To encourage pilots making VFR flights near noise-sensitive areas to fly at altitudes higher than the minimum permitted by regulation and on flight paths which will reduce aircraft noise in such areas.
  • AC 9136B VFR Flight Near NoiseSensitive Areas
    AC 91-36B: VFR Flight Near Noise-Sensitive Areas
    United States. Department of Transportation. Federal Aviation Administration
    1982-03-19 | PDF
    This advisory circular encourages pilots making VFR flights near noise-sensitive areas to fly at altitudes higher than the minimum permitted by regulation and on flight paths which will reduce aircraft noise in such areas.
  • AC 9137A Truth in Leasing
    AC 91-37A: Truth in Leasing
    United States. Department of Transportation. Federal Aviation Administration
    1978-01-16 | PDF
    This advisory circular provides information and guidance for lessees and conditional buyers of U.S.-registered large civil aircraft. If you or your company, school, club, athletic team, fraternity, social or other group are planning to charter an airplane, take a moment to learn about chartered and leased aircraft and how to use them safely to your ...
  • AC 9138 Large and TurbinePowered Multiengine Airplanes Part 91 Subpart D
    AC 91-38: Large and Turbine-Powered Multiengine Airplanes, Part 91, Subpart D
    United States. Department of Transportation. Federal Aviation Administration
    1972-12-13 | PDF
    This Advisory Circular sets forth guidelines and procedures to assist operators of large and turbine-powered multiengine airplanes in meeting the safety requirements of Federal Aviation Regulations, Part 91, Subpart D.
  • AC 9139 Recommended Noise Abatement Takeoff and Departure Procedure for Civil Turbojet Powered Airplanes
    AC 91-39: Recommended Noise Abatement Takeoff and Departure Procedure for Civil Turbojet Powered Airplanes
    United States. Department of Transportation. Federal Aviation Administration
    1974-01-18 | PDF
    This circular illustrates the recommended noise abatement takeoff and departure procedure for civil turbojet powered airplanes.
  • AC 913 Acrobatic Flight
    AC 91-3: Acrobatic Flight
    United States. Department of Transportation. Federal Aviation Administration
    1963-09-30 | PDF
    This circular sets forth safe operating practices for the conduct of acrobatic flight operations. The content of this circular is advisory and in no way relieves the pilot of an aircraft performing acrobatic flight of compliance with the provisions set forth in Part 91.71 (New), Acrobatic Flight Rules.
  • AC 9140 Terminal Control Area TCA Radar Outage
    AC 91-40: Terminal Control Area (TCA) Radar Outage
    United States. Department of Transportation. Federal Aviation Administration
    1974-01-17 | PDF
    This Advisory Circular explains the service aircraft will be provided in TCA when a radar outage occurs.
2001 - 2020 / 2072
 Found an issue?