Advisory Circulars

Provides information and guidance material that may be used by air carrier certificate holders, operating under Federal Aviation Regulations (FAR) Parts 121 and 135, to design or develop an Internal Evaluation Program. The procedures and practices outlined in this (AC can be applied to maintenance, flight operations, and security aspects of an air carrier’s organization. Internal evaluation guidance for certificate holders other than those operating under FAR Pars 121 and 135 may be issued separately in the future.

Date Cancelled: 04-17-2006
Cancelled By: 120-59A

Provides an acceptable means, but not the only means, to address Traffic Alert and Collision Avoidance System (TCAS) issues related to installation of TCAS II regarding compliance with 14 CFR Parts 121, 125, and 129 requirements for air carriers.

Date Cancelled: 02-23-2011

Provides an acceptable means, but not the only means, to address Traffic Alert and Collision Avoidance System (TCAS) issues related to installation of TCAS II regarding compliance with 14 CFR Parts 121, 125, and 129 requirements for air carriers.

Date Cancelled: 10-22-2001
Cancelled By: 120-55B

Provides FAA guidance for approval of an Advanced Qualification Program (AQP) under SFAR 58.

Date Cancelled: 06-23-2006
Cancelled By: 120-54A

Date Cancelled: 10-15-2008
Cancelled By: 120-53A

Date Cancelled: 07-06-2006
Cancelled By: 120-61A

Provides FAA guidance for approval of an Advanced Qualification Program (AQP) under SFAR 58.

Date Cancelled: 01-22-2004
Cancelled By: 120-51E

Provides FAA guidance for approval of an Advanced Qualification Program (AQP) under SFAR 58.

Date Cancelled: 02-08-2001
Cancelled By: 120-51D

Date Cancelled: 10-30-1998
Cancelled By: 120-51C

Date Cancelled: 09-08-1995
Cancelled By: 120-51B

States an acceptable means but not the only means for obtaining approval under FAR Section 121.161 for two-engine airplanes to operate over a route that contains a point farther than one hour flying time at the normal one-engine inoperative cruise speed (in still air) from an adequate airport.

Date Cancelled: 06-13-2008
Cancelled By: 120-42B

Establishes an acceptable means of obtaining airworthiness and operational approval of Airborne Omega Navigational Systems as a sole means of long range navigation for operations conducted outside the United States in accordance with FAR 121, 123, or large aircraft operated under FAR 135.2.

Date Cancelled: 04-30-2008

Presents guidelines for the design and implementation of line operational simulations (LOS).

Date Cancelled: 09-27-2004
Cancelled By: 120-35C

Set forth an acceptable means, but not the only means, of obtaining airworthiness and operational approval of airborne OMEGA navigation systems used in updating self-contained navigation systems such as Doppler and Inertial Radar for operations outside the United States under FAR Part 121.

Date Cancelled: 04-30-2008

This AC provides an acceptable means, but not the only means, for obtaining and maintaining approval of CAT I & II Weather Minima including the installation and approval of associated aircraft systems.

Date Cancelled: 08-12-2002
Cancelled By: 120-29A

Date Cancelled: 07-13-1999

Provides one means, but not the only means, for obtaining approval of a weight and balance control system. It provides guidance to certificate holders that are required to have an approved weight and balance program by Title 14, Code of Federal Regulations (14 CFR) Part 121 or choose to have an approved program under 14 CFR Part 135.

Date Cancelled: 06-10-2005
Cancelled By: 120-27E

Provides one means, but not the only means, for obtaining approval of a weight and balance control system. It provides guidance to certificate holders that are required to have an approved weight and balance program by Title 14, Code of Federal Regulations (14 CFR) Part 121 or choose to have an approved program under 14 CFR Part 135.

Date Cancelled: 08-11-2004
Cancelled By: 120-27D

Defines the criteria and procedures required for an International Civil Aviation Organization (ICAO) three-letter and/or telephony designator assignment.

Date Cancelled: 10-31-2012

Defines the criteria and procedures required for an International Civil Aviation Organization (ICAO) three-letter and/or telephony designator assignment.

Date Cancelled: 01-01-2005
Cancelled By: 120-26J

This advisory circular (AC) describes the scope and content of air carrier aircraft maintenance programs. It explains the background of these programs as well as the Federal Aviation Administration’s (FAA) regulatory requirements. Each of the 10 elements of air carrier maintenance programs are also described and explained. In this AC, air carrier maintenance means inspection, overhaul, repair, preservation, and the replacement of parts, as well as preventive maintenance. When “must” or “will” are used in this AC, they reflect regulatory requirements. When “you” or “your” is used in this AC, it refers to the air carrier.

Date Cancelled: 11-05-2012

Date Cancelled: 09-11-2008
Cancelled By: 120-16E

Provides information and guidance on continuous airworthiness maintenance programs for operators subject to the provisions of FAR Parts 121, 127, or 135.

Date Cancelled: 03-20-2003
Cancelled By: 120-16D

Provides instructions for the screening of passengers carrying classified material in order to maintain the integrity of the screening process and prevent the compromise of classified material.

Date Cancelled: 06-24-2011

Provides suggestions to improve sport parachuting safety and disseminates information to assist all parties associated with sport parachuting in complying with FAR Part 105, Parachute Jumping. It also contains a list of aircraft which may be operated with one cabin door removed and includes procedures for obtaining FAA authorization for flight with door removal.

Date Cancelled: 05-18-2011