Skip to page content

USA Banner

Official US Government Icon

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

Secure Site Icon

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.

United States Department of Transportation United States Department of Transportation

Advisory Circulars (ACs)

Search Results

Number, title, description, or office

Advisory Circulars (ACs) search results
Number Title Status Office Date
00-72 Best Practices for Airborne Electronic Hardware Design Assurance Using EUROCAE ED-80( ) and RTCA DO-254( )

This advisory circular (AC) provides “best practices” for airborne electronic hardware (AEH) design assurance and, is intended to be complementary information to EUROCAE ED-80, Design Assurance Guidance for Airborne Electronic Hardware, RTCA DO-254, Design Assurance Guidance for Airborne Electronic Hardware, and AC 20-152A, Development Assurance for Airborne Electronic Hardware.

Active AIR-600 2022-10-07
00-74 Avionics Human Factors Considerations for Design and Evaluation

This advisory circular (AC) identifies two reports that provide information in the form of “recommended practices” to increase awareness of human factors and facilitate the identification and resolution of human factors/pilot interface issues during the design and evaluation of avionics.

Active AIR-600 2019-05-01
00-59 Integrating Helicopter and Tiltrotor Assets into Disaster Relief Planning

Provides guidance to state and local emergency relief planners on integrating helicopters and tiltrotor aircraft into disaster relief planning efforts.

Active AND-710 1998-11-13
00-61 Event Planning Guide

Describes acceptable methods for organizing the aviation community for all events, such as major sports events (auto racing, golf, etc.)

Active AFS-800 2000-07-24
00-64 Air Medical Resource Management

This AC provides guidance and information, which establish minimum guidelines for Air Medical Resource Management Training.

Active AFS-300 2005-09-22
00-66 Selection of Cyclic Redundancy Code and Checksum Algorithms to Ensure Critical Data Integrity

This advisory circular (AC) provides information about the availability of resource material on digital data integrity.

Active AIR-130 2015-08-04
00-68 Aircraft Certification Service Voluntary Disclosure Reporting Program

This advisory circular (AC) provides information and guidance to Federal Aviation Administration (FAA) Aircraft Certification Service (AIR) Production Approval Holders (PAHs), Design Approval Holders (DAHs), and Organization Designation Authorization Holders (ODA Holders) who choose to voluntarily disclose apparent noncompliance with Title 14 of the Code of Federal Regulations (14 CFR).

Active AIR-150 2016-10-01
00-70 Flightcrew Member Certificate Verification Plan

This AC provides information to Title 14 of the Code of Federal Regulations (14 CFR) fractional ownership program managers operating under 14 CFR part 91 subpart K (part 91K) and 14 CFR part 119 certificate holders operating under 14 CFR parts 121 and 135, seeking approval of Operations Specification (OpSpec)/Management Specification (MSpec) A063, Flightcrew Member Certificate Verification Plan.

Active AFS-200 2018-12-19
00-71 Best Practices for Management of Open Problem Reports (OPRs)

This advisory circular (AC) provides “best practices” for the management of open problem reports, and is intended to complement AC 20-189, Management of Open Problem Reports (OPRs).

Active AIR-600 2022-09-16
00-69 The title is Best Practices for Airborne Software Development Assurance Using EUROCAE ED-12( ) and RTCA DO-178( )

This advisory circular (AC) provides information in the form of “best practices” and, as such, is not intended as guidance but rather as complementary information to ED-12C/DO-178C (and related documents) and AC 20-115D.

Active AIR-100 2017-07-21
00-60B North American Free Trade Agreement and Specialty Air Services Operations

This advisory circular (AC) provides information and guidance for operators under the provisions of the North American Free Trade Agreement (NAFTA) and operational guidance within the three Civil Aviation Authorities (CAA).

Active AFS-800 2014-02-12
00-56B Voluntary Industry Distributor Accreditation Program with Change 1

This AC describes a system for accrediting civil aircraft parts distributors based on voluntary industry oversight.

Active AFS-300 2015-05-27
00-31A United States (U.S.) National Aviation Standard for the Very High Frequency Omnidirectional Radio Range (VOR)/Distance Measuring Equipment (DME)/Tactical Air Navigation (TACAN) Systems

This Advisory Circular is issued to inform the aviation community of the establishment and content of the United States(U.

Active AJW-143 1982-09-20
00-44II Status of Federal Aviation Regulations Active AGC-200 1997-05-01
00-58C Voluntary Disclosure Reporting Program

This AC provides information and guidance material that a regulated entity (RE) operating under Title 14 of the Code of Federal Regulations (14 CFR) may use when voluntarily disclosing to the Federal Aviation Administration (FAA) apparent violations of those FAA regulations listed in paragraph 2.

Active AFS-200 2024-07-01
20-45 Safetying of Turnbuckles on Civil Aircraft

Provides information on turnbuckle safetying methods that have been found acceptable by the FAA during past aircraft type certification programs.

Active ACE-100 1965-09-17
21-45 Commercial Parts

This advisory circular (AC) explains how you can use the new provision in Title 14 of the Code of Federal Regulations (14 CFR) §§ 21.1(a)(3), 21.8, 21.9(a)(4), and 21.50(c) for commercial parts.

Active AIR-100 2010-09-29
135-45 Use of Noncertified Weather Observations in Noncontiguous States

This AC provides information and recommendations to air carriers operating under the authority of Title 14 of the Code of Federal Regulations (14 CFR) part 135 and in the noncontiguous States (i.e., Alaska or Hawaii) on the use of noncertified weather information in support of instrument approaches conducted under instrument flight rules (IFR) at airports without destination weather reporting approved by the National Weather Service (NWS) or the Federal Aviation Administration (FAA).

Active AFS-200 2020-10-06
00-41B FAA Quality Control System Certification Program Active ASU-430 1989-10-10
00-46F Aviation Safety Reporting Program

This advisory circular (AC) provides guidance for the submission of reports under the Federal Aviation Administration (FAA) Aviation Safety Reporting Program (ASRP).

Active AFS-200 2021-04-02
00-34B Aircraft Ground Handling, Servicing, and Marshalling

This AC contains information and guidance for servicing, ground handling, and marshalling an aircraft.

Active AFS-300 2024-07-17
00-65A Towbar and Towbarless Movement of Aircraft

This AC provides guidance for towbar and towbarless movement of aircraft and applies to all operators under Title 14 of the Code of Federal Regulations (14 CFR) parts 91, 91 subpart K (part 91K), 121, 125, 129, and 135.

Active AFS-300 2023-08-11
00-63B Use of Flight Deck Displays of Digital Weather and Aeronautical Information

This AC provides guidance to flightcrew members and other airmen on the best practices for the use of data link to access Flight Information Services (FIS).

Active AFS-400 2024-06-03
00-1.1B Public Aircraft Operations—Manned and Unmanned

This AC provides information to assist in determining whether government-owned or government-contracted manned and unmanned aircraft operations conducted within the territory of the United States are public or civil aircraft operations under the statutory definition of “public aircraft” in Title 49 of the United States Code (49 U.S.C.)

Active AFS-800 2018-09-21
45-2E Identification and Registration Marking

This advisory circular (AC) provides information about Title 14, Code of Federal Regulations (14 CFR), part 45, Identification and Registration Marking. This AC is not mandatory and does not constitute a regulation.

Active AIR-100 2015-10-01
450.45-1 Launch and Reentry of Space Nuclear Systems

This AC provides a means of compliance and guidance for applicants proposing to launch or reenter SNS for meeting the requirements for a safety review under § 450.45. This AC also applies to applicants seeking a payload determination for SNS under 14 CFR § 450.43.

Active AST-1 2023-10-20
450.45-2 Compliance when Contracting with a Federal Entity

This Advisory Circular (AC) offers guidance for demonstrating compliance with title 14 Code of Federal Regulations (CFR) part 450 requirements by using services or property of a Federal launch or reentry site or other Federal Entity by contract. As stated in 14 CFR § 450.45(b), the Federal Aviation Administration (FAA) “will accept any safety-related launch or reentry service or property provided by a Federal launch or reentry site or other Federal Entity if the FAA determines that the launch or reentry services or property that are provided satisfy [part 450].

Active AST-1 2025-03-11
45-3A Installation, Removal or Change of Identification Data and Identification Plates on Aircraft Engines

This advisory circular (AC) provides information about Title 14, Code of Federal Regulations (14 CFR) part 45, Identification and Registration Marking.

Active AIR-200 2010-08-03
150/5345-45C Low-Impact Resistant (LIR) Structures

Contains the FAA specifications for low-impact resistant (LIR) structures used to support approach lighting systems (ALS) at airports.

Active AAS-100 2007-04-06
23-14 Type Certification Basis for Conversion from Reciprocating Engine to Turbine-Powered Part 23 Airplanes

Provides information and guidance concerning an acceptable means of showing compliance with Part 23 through amdt.23-45 of the Federal Aviation Regulations applicable to replacing reciprocating engines with gas turbine engines (turbopropeller, turbojet, or turbofan).

Active ACE-100 1993-09-30
25.1529-1A Instructions for Continued airworthiness of Structural Repairs on Transport Airplanes

It addresses the approval procedures to follow when making structural repairs to structure certificated under the damage tolerance requirements of Section 25.571 of FAR, Amendment 25-45, and to type designs with Supplemental Inspection Documents, which were based on these criteria.

Active ANM-100 2007-11-20
33-2C General Type Certification Guidelines for Turbine Engines

This AC applies to certain sections of Title 14 of the Code of Federal Regulations (14 CFR) parts 21, 33, and 45, and describes or references methods of compliance that may be acceptable for engine type certification work.

Active ANE-111 2013-06-25
150/5300-13B Airport Design - Change 1

AC 150/5300-13B cancelled the following Engineering Briefs (EBs):

  1. EB 63B - Taxiways for Airbus A380 Taxiing Operations
  2. EB 73 - Use of Non-Standard 75-Foot- (23-M) Wide Straight Taxiway Sections for Boeing 747-8 Taxiing Operations
  3. EB 78 - Linear Equations for Evaluating the Separation of Airplane Design Groups on Parallel Taxiways and Taxiways to Fixed/Movable Objects
  4. EB 99A - Changes to Tables 3-2 and 3-4 of Advisory Circular 150/5300-13A, Airport Design

Change 1 cancels the following Engineering Briefs (EBs):

  1. EB 65A - Use of 150-Foot (45-M) Wide Runways for Airbus A380 Operations
  2. EB 74A - Use of 150-foot (45-M) Wide Runways and Blast Pads for Boeing 747-8 Operations

Active AAS-100 2024-08-16
91-56B Continuing Structural Integrity Program for Airplanes

This guidance material applies to large transport airplanes which were certified under the fail-safe and fatigue requirements of Civil Air Regulations (CAR) 4b o 14 CFR part 25 of the Federal Aviation Regulations (FAR), prior to Amendment 25-45, and which have a maximum gross weight greater than 75,000 pounds.

Active ANM-115 2008-03-07