Advisory Circulars

This advisory circular (AC) sets forth a method of compliance with the requirements of Part 25 of the Federal Aviation Regulations (FAR) pertaining to installations of miscellaneous, nonrequired electrical equipment in transport category airplanes. It is for guidance purposes and provides an example of a method of compliance that has been found acceptable. Because the method of compliance presented in this AC is not mandatory, the terms "shall" and "must" used in this AC apply only to an applicant who chooses to follow this particular method without deviation. The applicant may elect to follow an alternate method provided the alternate method is also found acceptable by the FAA.

Date Cancelled: 07-22-2010

Sets forth acceptable means of compliance with the provisions of Part 25 of the Federal Aviation Regulations (FAR) dealing with the certification requirements of fuselage doors. Guidance information is provided for showing compliance with structural and functional safety standards for doors and their operating systems. The intent of the requirements and some acceptable means of compliance are discussed. Other means are acceptable if they meet the intent of the regulations. For the propose of showing compliance with section 25.783 of FAR, hatches and exits are also considered to be doors.

Date Cancelled: 04-25-2005
Cancelled By: 25.783-1A

Encompasses the basic labor and associated requirements for the airport grant program. It is intended for sponsors using program assistance and for contractors and subcontractors working on projects under the program.

This AC is superseded by more current AIP labor requirements found in 49 Code of Federal Regulatios Part 18.36 (Procurement).

Date Cancelled: 03-05-2012

Contains the specification requirements for a relay cabinet used to control airfield lighting circuits. The L-841 consists of an enclosure containing a DC power supply, control circuit protection, and 20 pilot relays.

Date Cancelled: 09-20-2007

Contains the specification for radio control equipment to be used for controlling airport lighting facilities.

Date Cancelled: 09-15-2005

Provides guidance, specifications, and standards, in the interest of airport personnel safety and operational efficiency, for painting, marking, and lighting of vehicles operating in the airport air operations areas.

Date Cancelled: 08-31-2007

Date Cancelled: 06-06-1995

Provides acceptable procedures for approving the qualification of fuels, lubricants, and additives for use in certificated aircraft engines.

Date Cancelled: 07-29-2011

Date Cancelled: 06-10-2002
Cancelled By: 150/5190-5

Provides information and guidance concerning the installation, removal, or change of identification data and identification plates on aircraft engines, and identifies an acceptable means, but not the only means, of compliance with FAR Part 45.

Date Cancelled: 08-03-2010

Date Cancelled: 09-28-2004
Cancelled By: 23.629-1B

Provides guidance for the preparation of training course outlines (TCO) for FAA-approved industry conducted FIRC’s under Amendment 61-25 to the FAR

Date Cancelled: 11-19-2001
Cancelled By: 61-83E

Provides information to ensure the quality of construction accomplished under the FAA Airports grant program.

Date Cancelled: 09-29-2007

Date Cancelled: 01-27-2003
Cancelled By: 23-19

Date Cancelled: 06-02-2004

Date Cancelled: 05-01-2007

Provides guidance for conducting predesign, prebid, and preconstruction conferences for projects funded under the FAA airport grant program.

Date Cancelled: 09-30-2009

Provides information and guidance concerning an acceptable means, but not the only means, of compliance with Parts 23 or 25 of the Federal Aviation Regulations (FAR) applicable to preventing ignition of fuel vapors due to lightning.

Date Cancelled: 06-05-2006
Cancelled By: 20-53B

Date Cancelled: 07-08-2004

Provides guidance material for acceptable means for demonstrating compliance with the provisions of part 25 of the FAR dealing with the design requirements for transport category airplanes to preclude the aeroelastic instabilities of flutter, divergence and control reversal.

Date Cancelled: 07-23-1998
Cancelled By: 25.629-1A