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United States Department of Transportation United States Department of Transportation

Advisory Circulars (ACs)

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Number, title, description, or office

Advisory Circulars (ACs) search results
Number Title Status Office Date
121-28 Preparation and Loading of Magnetron Magnetic Materials for Air Transportation

Provides information relevant to the preparation and loading of magnetic materials for shipment in civil aircraft

Active ACS-120 1987-03-19
121-6 Portable Battery-Powered Megaphones

Sets forth an acceptable means for complying with rules (applicable to various persons operating under Part 121 of the Federal Aviation Regulations) that prescribe the installation of approved megaphones.

Active AIR-110 1966-01-05
121-33B Emergency Medical Equipment

AC provides guidance to elaborate requirements for enhanced emergency medical equipment currently carried on most major air carriers and becoming mandatory as of April 12, 2004

Active AFS-220 2006-01-12
121-32A Dispatch Resource Management Training

This AC complements guidance already developed for flight crewmembers and other groups with respect to training in resource management.

Active AFS-220 2005-11-21
121-36 Management of Passengers who may be Sensitive to Allergens

Provides guidance regarding air carrier passenger handling procedures for allergen-sensitive people, including the importance of crewmember training in recognizing and responding to medical events that result from allergen exposure.

Active AFS-200 2002-12-31
121-25 Additional Weather Information: Domestic and Flag Air Carriers

Provides guidance and standards to domestic and flag air carriers for approval of a system for obtaining forecasts and reports of adverse weather phenomena

Active AFS-224 1977-09-16
121-31 Flight Crew Sleeping Quarters and Rest Facilities

Provides methods acceptable to the FAA Administrator for FAR Part 121 certificate holders who conduct flag and supplemental operations to obtain an FAA finding regarding the adequacy of onboard sleeping quarters for compliance with FAR Sections 121.485(a) and 121.523(b).

Active AFS-220 1994-09-30
121-39 Air Carrier Pilot Remedial Training and Tracking Program

This advisory circular (AC) presents guidelines for developing and implementing remedial training and tracking of pilots.

Active AFS-200 2014-12-30
121-40 14 CFR Part 121 and Part 135 Dangerous Goods Transportation Operations

This Advisory Circular (AC) provides certificate holders with recommended contents for a dangerous goods training program and manual designed to guide and manage dangerous goods operations.

Active AXH-1 2017-12-13
121-43 Mentoring Training for Pilots in Command

This AC presents guidelines for developing and implementing mentoring training for pilots in command (PIC).

Active AFS-200 2020-03-03
121-37B Voluntary Disclosure Reporting Program - Hazardous Materials

This advisory circular (AC) provides guidance to holders of certificates under Title 14 of the Code of Federal Regulations (CFR) parts 119 and 125, and foreign air carriers issued operations specifications under 14 CFR part 129 (operators), and part 145 (repair stations) who voluntarily disclose to the Federal Aviation Administration (FAA) their violation(s) of certain hazardous materials regulations under this voluntary disclosure reporting program (VDRP).

Active AXH-1 2023-10-25
121-35 Management of Passengers during Ground Operations without Cabin Ventilation

Provides guidance regarding air carrier procedures for the use of ventilation and ground based air conditioning on the ground, as well as management of passengers during ground operations with no cabin ventilation.

Active AFS-200 2003-01-16
121-34B Emergency Medical Equipment Training

Provides guidance regarding crewmember training programs (Flight attendant training program in particular) that incorporate Automated External Defibrillators (AED) and enhanced Emergency Medical Kits (EMK).

Active AFS-220 2006-01-12
121-24D Passenger Safety Information Briefing and Briefing Cards

This AC provides updated information regarding the items that are required or recommended content in oral passenger safety briefings and on safety information briefing cards.

Active AFS-200 2019-03-05
121-42 Leadership and Command Training for Pilots in Command

This AC presents guidelines for developing and implementing leadership and command training for pilots in command (PIC) and second-in-command (SIC) pilots serving in Title 14 of the Code of Federal Regulations (14 CFR) part 121 operations that require three or more pilots.

Active AFS-200 2020-03-03
121-22D Maintenance Review Boards, Maintenance Type Boards, and Original Equipment Manufacturer/Type Certificate Holder Recommended Maintenance Procedures

This AC provides information that industry may use to develop and revise the minimum scheduled maintenance tasking/interval requirements for derivative or newly type-certificated aircraft and powerplants for Federal Aviation Administration (FAA) approval.

Active AFS-100 2024-05-31
121-29B Carry-On Baggage

Provides information to the public, certificated air carriers, commercial operators, and airline personnel about FAA-approved carry-on baggage programs.

Active AFS-200 2000-07-24