Advisory Circular


  • Advisory Circulars (ACs) are non-regulatory guidance and information published by the Federal Aviation Administration (FAA) for the community
  • Can be found on the FAA's website at
  • ACs can be ordered through the Department of Transportation (DOT)

Heading Information:

  • Subject
    • Simply the title of the advisory circular
  • Date:
    • Date of that advisory circular release
  • AC No:
    • Advisory Circular Number, relating to FARs:
    • AC No: 00-24B:
      • The "00" is related to the FAR subtitle Chapter "General"
    • AC No: 91.21-1A:
    • AC No: 150/5200-5:
      • The "150" is referring to FAR sub chapter "Airport Noise Compatibility Planning" and the "5200" is the subsection "Airport Safety-General"
  • Initiated by:
    • Lists who issued the advisory circular
    • AFS: Aviation Flight Standards District
  • Changes

Advisory Circular Header
Figure 1: Advisory Circular Header

Body Information:

  • Purpose
  • Cancellation
  • Related Reading Material
  • The remaining of the circular will discuss information about the subject matter


  • The FAA issues Advisory Circulars (ACs) to inform the aviation public in a systematic way of non-regulatory material
    • Unless incorporated into a regulation by reference, the contents of an advisory circular are not binding on the public
    • Advisory Circulars are issued in a numbered subject system corresponding to the subject areas of the Code of Federal Regulations (CFRs) (Title 14, Chapter 1, FAA)
  • AC 00-2, Advisory Circular Checklist and Status of Other FAA Publications, contains advisory circulars that are for sale as well as those distributed free-of-charge by the FAA
  • AC 00-2 is issued annually and can be obtained free-of-charge from:
    • U.S. Department of Transportation
    • Subsequent Distribution Office
    • Ardmore East Business Center
    • 3341 Q 75th Avenue
    • Landover, MD 20785
    • Telephone: 301-322-4961
  • AC 00-2 may also be found at: under Advisory Circulars

Advisory Circular
Figure 1: Advisory Circular 00-65