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United States Department of Transportation United States Department of Transportation

Advisory Circulars (ACs)

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Advisory Circulars (ACs) search results
Number Title Status Office Date
61-65J Certification: Pilots and Flight and Ground Instructors

This AC provides guidance for pilot and instructor applicants, pilots, flight instructors, ground instructors, and examiners on certification standards, knowledge test procedures, and other requirements in Title 14 of the Code of Federal Regulations (14 CFR) part 61.

Active AFS-800 2024-10-30
61-98E Currency Requirements and Guidance for the Flight Review and Instrument Proficiency Check

The contents of this document do not have the force and effect of law and are not meant to bind the public in any way, and the document is intended only to provide information to the public regarding existing requirements under the law or agency policies.

Active AFS-800 2024-10-30
61-136B FAA Approval of Aviation Training Devices and Their Use for Training and Experience

This AC applies only to the evaluation and use of BATDs and AATDs. This notice does not apply to full flight simulators (FFS) and flight training devices (FTD) that are regulated under 14 CFR part 60.

Active AFS-800 2018-09-12
00-1.1B Public Aircraft Operations—Manned and Unmanned

§§ 40102(a)(41) and 40125 (the statute). Additionally, this AC contains Federal Aviation Administration (FAA) policy pertaining to civil aircraft operators that provide contract support to government entities.

Active AFS-800 2018-09-21
141-1B Part 141 Pilot Schools, Application, Certification, and Compliance

Unlike pilot training conducted under 14 CFR part 61, part 141 pilot schools are required to use a structured training program and syllabus. Part 141 pilot schools may be able to provide a greater variety of training aids and require dedicated training facilities, flight instructor oversight, and FAA-approved course curricula.

Active AFS-800 2017-09-12
00-60B North American Free Trade Agreement and Specialty Air Services Operations

NAFTA opens up cross-border trade in Specialty Air Services (SAS) and was ratified by the United States of America, the United Mexican States, and Canada.

Active AFS-800 2014-02-12
61-141 Flight Instructors as Certifying Officials for Student Pilot and Remote Pilot Applicants

This AC applies to submissions of either an Integrated Airman Certification and Rating Application (IACRA) or a paper application.

Active AFS-800 2018-06-25
107-2A Small Unmanned Aircraft System (Small UAS)

This AC provides guidance in the areas of airman (remote pilot) certification, aircraft registration and marking, aircraft airworthiness, and the operation of small Unmanned Aircraft Systems (UAS) in the National Airspace System (NAS) to promote compliance with the requirements of Title 14 of the Code of Federal Regulations (14 CFR) part 107.

Active AFS-800 2021-02-01
60-28B FAA English Language Standard for an FAA Certificate Issued Under 14 CFR Parts 61, 63, 65, and 107

This advisory circular (AC) introduces the Federal Aviation Administration (FAA) Aviation English Language Standard (AELS) and provides guidance to applicants, airmen, training organizations, Designated Examiners (DE), and flight and ground instructors on how to determine that an applicant for an FAA certificate or a person holding an FAA certificate meets the FAA AELS.

Active AFS-800 2017-06-02
91-94 Application and Issuance Process for a Letter of Deviation Authority Issued in Accordance With 14 CFR § 91.326

This AC provides information and guidance on the application and issuance process for obtaining a Letter of Deviation Authority (LODA) to operate certain aircraft holding limited category and experimental Special Airworthiness Certificates for compensation or hire while providing flight training, checking, or testing.

Active AFS-800 2024-12-13
120-116 Operations and Airworthiness Considerations for U.S.-Based Leasing Companies Operating U.S.

This AC is not mandatory and does not constitute a regulation. This AC describes an acceptable means, but not the only means, for U.S.

Active AFS-800 2017-10-27
61-144 Issuance Process for Pilot Certificates in Accordance with the Implementation Procedures for Licensing as Part of the Bilateral Aviation Safety Agreement Between the FAA and the Swiss FOCA

The contents of this document do not have the force and effect of law and are not meant to bind the public in any way, and the document is intended only to provide information to the public regarding existing requirements under the law or agency policies.

Active AFS-800 2024-04-10
61-143 Conversion Process for Pilot Certificates in Accordance with the Technical Implementation Procedures - Licensing as Part of the Bilateral Aviation Safety Agreement Between the FAA and EASA including Change 1

It also contains information on whom to contact and where to find the process for converting an FAA pilot certificate to an EU Part-FCL pilot license.

Active AFS-800 2021-06-22
61-135A Conversion Process for Pilot Certificates in Accordance with the Implementation Procedures for Licensing as part of the Bilateral Aviation Safety Agreement Between the Federal Aviation Administration and Transport Canada Civil Aviation Authority for Pilot Licensing including Change 1

This advisory circular (AC) provides the procedure and eligibility requirements for a Transport Canada Civil Aviation Authority (TCCA) pilot license holder converting to an Federal Aviation Administration (FAA) pilot certificate and an outline of the procedures and eligiblity requirments for an FAA pilot certificate holder converting to a TCCA pilot license.

Active AFS-800 2015-05-15
90-48E Pilots’ Role in Collision Avoidance

This AC is issued to assist pilots with their regulatory obligation to see and avoid other aircraft. Specifically, this AC looks to alert pilots to human contributors to midair collisions and near midair collisions (NMAC), and recommend improvements to pilot education, operating practices, procedures, and improved scanning techniques to reduce midair conflicts.

Active AFS-800 2022-10-20
90-109A Transition to Unfamiliar Aircraft

This advisory circular (AC) is intended to help plan the transition to any unfamiliar fixed-wing airplanes, including type-certificated (TC) and/or experimental airplanes. It provides information and guidance to owners and pilots of experimental, simple, complex, high-performance, and/or unfamiliar airplanes.

Active AFS-800 2015-06-29
133-1B Rotorcraft External-Load Operations

The information in this AC and related reading material will assist you in completing the application process in an efficient and accurate manner.

Active AFS-800 2017-05-31
90-66C Non-Towered Airport Flight Operations

The contents of this document do not have the force and effect of law and are not meant to bind the public in any way, and the document is intended only to provide information to the public regarding existing requirements under the law or agency policies.

Active AFS-800 2023-06-06
60-22 Aeronautical Decision Making

Provides introductory material, background information, and reference material on aeronautical decision making. Provides a systematic approach to risk assessment and stress management in aviation, illustrates how personal attitudes can influence decision

Active AFS-800 1991-12-13
91-92 Pilot’s Guide to a Preflight Briefing

This AC provides an educational roadmap for the development and implementation of preflight self-briefings, including planning, weather interpretation, and risk identification/mitigation skills.

Active AFS-800 2021-03-15
91-78A Use of Electronic Flight Bags

This AC provides operational guidance to aircraft owners, operators, and pilots operating aircraft under Title 14 of the
Code of Federal Regulations (14 CFR) part 91 who want to replace required paper information and/or utilize hosted database and software applications as part of Electronic Flight Bag (EFB) functionality.

Active AFS-800 2024-02-23
91-84 Fractional Ownership Programs

This advisory circular (AC) provides backgroung information, and describes fractional ownership programs and te application process for obtaining management specifications (MSpecs) to operate under Title 14 of the Code of Federal Regulations (14CFR) part 91 subpart k (part 91K)

Active AFS-800 2009-03-31
61-83K Nationally Scheduled, FAA-Approved, Industry-Conducted Flight Instructor Refresher Course

In so doing, this AC clarifies TCO development standards, training standards, and testing standards, and provides recommendations to assist applicants to meet and adhere to these standards.

Active AFS-800 2024-10-30
91-74B Pilot Guide: Flight In Icing Conditions

As a result of these updates and consolidating of information, AC 91-74A, Pilot Guide: Flight in Icing Conditions, dated December 31, 2007, and AC 91-51A, Effect of Icing on Aircraft Control and Airplane Deice and Anti-Ice Systems, dated July 19, 1996, are cancelled.

Active AFS-800 2015-10-08
61-91K WINGS—Pilot Proficiency Program

The FAA continually collects and assesses its databases to identify the risks associated with GA flying and incorporates risk mitigation strategies into initial and ongoing pilot education.

Active AFS-800 2024-10-30
105-2E Sport Parachuting

It also contains information for jumpers and riggers on parachuting equipment, on-airport parachuting operations, jump pilot training, aircraft maintenance programs, parachute rigging, and procedures for Federal Aviation Administration (FAA) authorization for flight operations with a removed or modified door.

Active AFS-800 2013-12-04
91-88 Electronics News Gathering Operations

This AC was developed in consideration of ENG industry standards and recommended practices.

Active AFS-800 2016-06-28
61-145 Flight Instructor Enhanced Qualification Training Program (FIEQTP)

This AC also contains guidance that is pertinent to 14 CFR parts 1, 60, 61, 141, and 142. The contents of this document do not have the force and effect of law and are not meant to bind the public in any way, and the document is intended only to provide information to the public regarding existing requirements under the law or agency policies.

Active AFS-800 2024-10-30
90-116 Additional Pilot Program for Phase I Flight Test

The APP was developed to improve safety by enhancing Builder/Owner Pilot (BP) skills and mitigate risks associated with Phase I flight testing of aircraft built from commercially produced kits through the use of a qualified additional pilot and powerplant testing.

Active AFS-800 2014-09-23
91-69A Seaplane Safety for 14 CFR Part 91 Operators

Provides revised information to FAR Part 91 seaplane operators regarding seaplane preflight, oral briefings for seaplane passengers, the use of safety belts and shoulder harnesses in seaplanes, escape/egress after capsizing, water survival, and flotation gear for seaplane occupants.

Active AFS-800 1999-11-19
91-72 Waivers of Provisions of Title 14 of the Code of Federal Regulations Part 91

The contents of this document do not have the force and effect of law and are not meant to bind the public in any way, and the document is intended only to provide information to the public regarding existing requirements under the law or agency policies.

Active AFS-800 1996-11-08
91-37B Truth in Leasing

This advisory circular (AC) provides information and guidance for lessees and conditional buyers of U.S.-registered aircraft.

Active AFS-800 2016-02-10
61-140A Autorotation Training

This information is intended to supplement information about autorotation training found in the current editions of the Helicopter Flying Handbook (HFH), FAA-H-8083-21, and the Helicopter Instructor’s Handbook (HIH), FAA-H-8083-4. This AC is not mandatory and does not constitute a regulation.

Active AFS-800 2016-08-31
61-107B Aircraft Operations at Altitudes Above 25,000 Feet Mean Sea Level or Mach Numbers Greater Than .75/ with Change 1

It also provides information to aid pilots in becoming familiar with the basic phenomena associated with high-altitude and high-speed flight.

Title 14 of the Code of Federal Regulations (14 CFR) part 61 prescribes the knowledge and skill requirements for the various airman certificates and ratings, including category, class, and type ratings authorized to be placed thereon.

Active AFS-800 2013-03-29
91-89 Mitsubishi MU-2B Training Program

This AC provides guidance and standardized methods for meeting the training requirements outlined in Title 14 of the Code of Federal Regulations (14 CFR) Part 91 Subpart N, Mitsubishi MU-2B Series Special Training, Experience, and Operating Requirements, for Mitsubishi MU-2B aircraft.

Active AFS-800 2016-07-22
00-61 Event Planning Guide

It is not limited to sporting events, but can be used whenever there is a large amount of aviation activity on an infrequent basis and open gatherings of people. The goal of this AC is to enhance air and ground safety.

Active AFS-800 2000-07-24
61-139 Institution of Higher Education’s Application for Authority to Certify its Graduates for an Airline Transport Pilot Certificate with Reduced Aeronautical Experience

The total flight time requirements for a restricted privileges ATP Certificate based on a degree with an aviation major are:


• 1,000 hours for a graduate who holds a bachelor’s degree with an aviation major and meets the remaining requirements of § 61.160(b);

• 1,250 hours for a graduate who holds an associate’s degree with an aviation major and meets the remaining requirements of § 61.160(c); and

• 1,250 hours for a graduate who holds a bachelor’s

Active AFS-800 2013-07-12
90-95 Unanticipated Right Yaw in Helicopters

Examines the unanticipated right yaw phenomenon, the circumstances under which it may be encountered, how it can be prevented, and how the pilot should react if it is encountered.

Active AFS-800 1995-02-07
61-134 General Aviation Controlled Flight into Terrain Awareness

This AC includes the Federal Aviation Administration's (FAA) common definition of the term CFIT, identifies some, but not all, of the risks associated with GA CFIT accidents, and provides some recommendations and strategies to combat CFIT within the GA community.

Active AFS-800 2003-04-01
91-67A Minimum Equipment Requirements for General Aviation Operations Under 14 CFR Part 91, § 91.213

This AC describes acceptable ways in which an aircraft can be operated under Title 14 of the Code of Federal Regulations (14 CFR) part 91, 133, or 137 (including part 91 operations conducted by parts 141 and 142 certificate holders (CH)) with certain inoperative instruments and equipment items that are not essential for safe operations, in accordance with part 91, § 91.213.

Active AFS-800 2023-10-16
68-1A BasicMed

It outlines the required medical education course, medical requirements, and aircraft and operating restrictions that pilots must meet to act as pilot in command (PIC) for most Title 14 of the Code of Federal Regulations (14 CFR) part 91 operations.

Active AFS-800 2017-05-03
194-1 Powered-Lift Operations

This AC can be used to help in understanding some of the part 194 regulations and will remain in effect until permanent rules for powered-lift are developed.

Active AFS-800 2024-10-07
61-142 Sharing Aircraft Operating Expenses in Accordance with 14 CFR § 61.113 (c)

It responds to Section 515 of the FAA Reauthorization Act of 2018 (Public Law 115-254) sets forth the Federal Aviation Administration's (FAA) longstanding position with regard to the regulation governing expense-sharing flights and the manner in which those flights relate to operations that require a 14 CFR part 119 Operating Certificate.

Active AFS-800 2020-02-25
137-1B Certification Process for Agricultural Aircraft Operators

The AC also addresses safety practices for agricultural aircraft operators. This AC is not mandatory and does not constitute a regulation. However, if you use the following means described, you must follow it in all important aspects.

Active AFS-800 2017-08-21
91-87 Ejection Seat Training Program

This AC may also be used as a tool to evaluate the content of an ESTP. This AC is not mandatory and does not constitute a regulation.

Active AFS-800 2016-02-26