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)
(2)
(5)
(1)
(1764)
(4)
(1)
(4)
(3)
(1)
(1)
(1)
(1)
(60)
(1995)
(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 1361 - 1380 of 2072 results
  • AC 2519 Certification Maintenance Requirements
    AC 25-19: Certification Maintenance Requirements
    United States. Department of Transportation. Federal Aviation Administration
    1994-11-28 | PDF
    This advisory circular (AC) provides guidance on the selection, documentation, and control of Certification Maintenance Requirements (CMR’s). This document also provides a rational basis for coordinating the Maintenance Review Board (MRB) and CMR selection processes in order to minimize the impact of CMR’s on airplane operators.
  • AC 251 Airplane Flight Manual Procedures Associated with Performance Limitations
    AC 25-1: Airplane Flight Manual Procedures Associated with Performance Limitations
    United States. Department of Transportation. Federal Aviation Administration
    1963-09-04 | PDF
    This circular sets forth acceptable means, not the sole means, by which compliance may be shown with the requirement of Special Regulation SR-422B, section 4T.743(c), that performance procedures be included in the "limitations" section of the airplane flight manual in the form of guidance material.
  • AC 2520 Pressurization Ventilation and Oxygen Systems Assessment for Subsonic Flight Including High Altitude Operation
    AC 25-20: Pressurization, Ventilation and Oxygen Systems Assessment for Subsonic Flight Including High Altitude Operation
    United States. Department of Transportation. Federal Aviation Administration
    1996-09-10 | PDF
    This advisory circular (AC) sets forth guidance on methods of compliance with the requirements of part 25 of the Federal Aviation Regulations (FAR) pertaining to pressurization, ventilation, and oxygen systems, especially as they pertain to high altitude subsonic flight. As with all AC material, it is not mandatory and does not constitute a regulat ...
  • AC 252 Extrapolation of Takeoff and Landing Distance Data Over A Range of Altitude for TurbinePowered Transport Airplanes
    AC 25-2: Extrapolation of Takeoff and Landing Distance Data Over A Range of Altitude for Turbine-Powered Transport Airplanes
    United States. Department of Transportation. Federal Aviation Administration
    1964-07-09 | PDF
    This circular sets forth acceptable means, but not the sole means, by which compliance may be shown with the requirements of the following regulations for the establishment of takeoff and landing distances applicable to high altitude airports.
  • AC 254 Inertial Navigation Systems Ins
    AC 25-4: Inertial Navigation Systems (Ins)
    United States. Department of Transportation. Federal Aviation Administration
    1966-02-18 | PDF
    This circular sets forth an acceptable means for complying with rules governing the installation of inertial navigation systems in transport category aircraft. Other criteria which will afford a demonstration of compliance with applicable requirements are also acceptable.
  • AC 255621 Dynamic Evaluation of Seat Restraint Systems Occupant Protection on Transport Airplanes
    AC 25-562-1: Dynamic Evaluation of Seat Restraint Systems & Occupant Protection on Transport Airplanes
    United States. Department of Transportation. Federal Aviation Administration
    1990-03-06 | PDF
    This advisory circular (AC) provides information and guidance regarding acceptable, but not the only, means of compliance with Part 25 of the Federal Aviation Regulations (FAR) applicable to dynamic testing of seats intended for use in transport category airplanes.
  • AC 255711 DamageTolerance and Fatigue Evaluation of Structure
    AC 25-571-1: Damage-Tolerance and Fatigue Evaluation of Structure
    United States. Department of Transportation. Federal Aviation Administration
    1978-09-28 | PDF
    This advisory circular sets forth an acceptable means of compliance with the provisions of Federal Aviation Regulation (FAR), Part 25, dealing with the damage-tolerance and fatigue evaluation certification requirements of aircraft structure.
  • AC 255711B DamageTolerance and Fatigue Evaluation of Structure
    AC 25-571-1B: Damage-Tolerance and Fatigue Evaluation of Structure
    United States. Department of Transportation. Federal Aviation Administration
    1997-02-18 | PDF
    This advisory circular (AC) sets forth an acceptable means of compliance with the provisions of Part 25 of the Federal Aviation Regulations (FAR) dealing with the damage-tolerance and fatigue evaluation requirements of transport category aircraft structure. It also provides rational guidelines for the evaluation of scatter factors for the determina ...
  • AC 255 Installation Approval on Transport Category Airplanes of Cargo Unit Load Devices Approved as Meeting the Criteria in NAS 3610
    AC 25-5: Installation Approval on Transport Category Airplanes of Cargo Unit Load Devices Approved as Meeting the Criteria in NAS 3610
    United States. Department of Transportation. Federal Aviation Administration
    1970-06-03 | PDF
    The circular sets forth an acceptable means, but not the sole means of complying with the requirements of complying with the requirements of the Federal Aviation Regulations (FAR) applicable to the installation on transport category airplanes of cargo unit load devices approved as meeting the criteriain NAS 3610.
  • AC 256721 Active Flight Controls
    AC 25-672-1: Active Flight Controls
    United States. Department of Transportation. Federal Aviation Administration
    1983-11-15 | PDF
    This advisory circular sets forth an equivalent means of complying with the provisions of Part 25 of the Federal Aviation Regulations (FAR) pertaining to the certification requirements of active f l i g h t controls.
  • AC 256 Ground Proximity Warning Systems GPWS
    AC 25-6: Ground Proximity Warning Systems (GPWS)
    United States. Department of Transportation. Federal Aviation Administration
    1974-12-31 | PDF
    This circular outlines acceptable ground proximity warning system performance. System performance, other than that described, may also be acceptable when adequately substantiated.
  • AC 257851 Flight Attendant Seat Requirements
    AC 25-785-1: Flight Attendant Seat Requirements
    United States. Department of Transportation. Federal Aviation Administration
    1981-12-04 | PDF
    This advisory circular (AC) provides information and guidance regarding an acceptable means, but not the only means, of compliance with the portions of 55 25.785 and 121.311 of the Federal Aviation Regulations (FAR) which deal with flight attendant seats. This material is for guidance purposes; it is not mandatory and does not constitute a regulati ...
  • AC 257 Flight Test Guide for Certification of Transport Category Airplanes
    AC 25-7: Flight Test Guide for Certification of Transport Category Airplanes
    United States. Department of Transportation. Federal Aviation Administration
    1986-07-17 | PDF
    The purpose of this announcement is to provide notice to users of the Federal Aviation Administration (FAA) advisory circular (AC) system that Advisory Circular 25-7, Flight Test Guide for Certification of Transport Category Airplanes, dated April 9, 1986, is available as a sale document from the Superintendent of Documents. Although this announcem ...
  • AC 257A Change 1 to Flight Test Guide for Certification of Transport Category Airplanes
    AC 25-7A: Change 1 to Flight Test Guide for Certification of Transport Category Airplanes
    United States. Department of Transportation. Federal Aviation Administration
    1995-06-06 | PDF
    This change provides updated guidance to ensure consistent application of certain airworthiness requirements recently adopted by Amendment 25-84.
  • AC 258121 Floor Proximity Emergency Escape Path Marking
    AC 25-812-1: Floor Proximity Emergency Escape Path Marking
    United States. Department of Transportation. Federal Aviation Administration
    1985-09-30 | PDF
    This advisory circular provides guidance material for use in demonstrating compliance with the provisions of Part 25 of the Federal Aviation Regulations (FAR) requiring floor proximity emergency escape path markings. Like all advisory circulars, it is not regulatory but is to provide guidance for applicants in demonstrating compliance with the obje ...
  • AC 258 Auxiliary Fuel System Installations
    AC 25-8: Auxiliary Fuel System Installations
    United States. Department of Transportation. Federal Aviation Administration
    1986-05-02 | PDF
    This advisory circular (AC) sets forth acceptable means, but not the only means, by which compliance may be shown with the requirements of the Federal Aviation Regulations (FAR) pertaining to the installation of auxiliary fuel systems in transport category airplanes. As with all AC material, it is not mandatory and does not constitute a regulation.
  • AC 259811 Guidelines for Substantiating Compliance with the Fuel Tank Temperature Requirements
    AC 25-981-1: Guidelines for Substantiating Compliance with the Fuel Tank Temperature Requirements
    United States. Department of Transportation. Federal Aviation Administration
    1970-07-23 | PDF
    This circular sets forth some general guidelines for substantiating compliance with fuel tank temperature airworthiness standards, Section 25.981.
  • AC 259 Smoke Detection Penetration and Evacuation Tests and Related Flight Manual Emergency Procedures
    AC 25-9: Smoke Detection, Penetration, and Evacuation Tests and Related Flight Manual Emergency Procedures
    United States. Department of Transportation. Federal Aviation Administration
    1986-07-29 | PDF
    This advisory circular (AC) provides guidelines for the conduct of certification tests relating to smoke detection, penetration, and evacuation, and to evaluate related Airplane Flight Manual (AFM) procedures. These guidelines may be used to reduce the degree of subjective judgment needed in conducting tests and evaluating test results. While this ...
  • AC 259A Smoke Detection Penetration and Evacuation Tests and Related Flight Manual Emergency Procedures
    AC 25-9A: Smoke Detection, Penetration, and Evacuation Tests and Related Flight Manual Emergency Procedures
    United States. Department of Transportation. Federal Aviation Administration
    1994-01-06 | PDF
    This advisory circular (AC) provides guidelines for the conduct of certification tests relating to smoke detection, penetration, and evacuation, and to evaluate related Airplane Flight Manual (AFM) procedures. These guidelines may be used to reduce the number of decisions based solely on judgment in conducting tests and evaluating test results.
  • AC 2513091A System Design and Analysis
    AC 25.1309-1A: System Design and Analysis
    United States. Department of Transportation. Federal Aviation Administration
    1988-06-21 | PDF
    This Advisory Circular (AC) describes various acceptable means for showing compliance with the requirements of 25.1309(b), (c), and (d) of the Federal Aviation Regulations (FAR). These means are intended to provide guidance for the experienced engineering and operational Judgment that must form the basis for compliance findings. They are not mandat ...
1361 - 1380 / 2072