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.

Showing 1501 - 1520 of 2072 results
  • AC 437 Ultrasonic Nondestructive Testing for Aircraft
  • AC 438 Maintaining Hot Air Balloons in An Airworthy Condition
  • AC 439 Maintenance Records
  • AC 439A Maintenance Records
  • AC 439B Maintenance Records
  • AC 439C Maintenance Records
  • AC 43111 Aircraft Use and Inspection Report
  • AC 43111A Aircraft Use and Inspection Report
  • AC 43111B Aircraft Use and Inspection Report
  • AC 43131A ANNOUNCEMENT Acceptable Methods Techniques and Practices  Aircraft Inspection and Repair
  • AC 43131A CHANGE 2 Acceptable Methods Techniques and Practices  Aircraft Inspection and Repair
  • AC 43131B Acceptable Methods Techniques and Practices  Aircraft Inspection and Repair
  • AC 43132 CHANGE 16 Reprint Includes CHANGES 114 Acceptable Methods Techniques and Practices  Aircraft Alterations
  • AC 43132A CHANGE 1 Acceptable Methods Techniques and Practices  Aircraft Alterations  Towline Information
  • AC 4391B Instructions for Completion of FAA Form 337 Major Repair and Alteration
  • AC 4391C Instructions for Completion of FAA Form 337 Major Repair and Alteration Airplane Powerplant Propeller or Appliance
  • AC 4391D Instructions for Completion of FAA Form 337 Major Repair and Alteration Airplane Powerplant Propeller or Appliance
  • AC 4391E Instructions for Completion of FAA Form 337 OMB No 21200020 Major Repair and Alteration Airframe Powerplant Propeller or Appliance
  • AC 451 Nationality and Registration Marks for FixedWing Aircraft
  • AC 452 Identification and Registration Marking