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Number Office Title Date
20-44 ACE-100 Glass Fiber Fabric for Aircraft Covering Provides a means, but not the sole means, for acceptance of glass fiber fabric for external covering of aircraft structure. 09-03-1965
20-169 AIR-100 Guidance for Certification of Military and Special Mission Modifications and Equipment for Commercial Derivative Aircraft (CDA)

This advisory circular (AC) provides guidance for the certification of commercial derivative aircraft (CDA).  CDA are aircraft that have been modified with specialized equipment to perform military and other non-civil missions.  CDA are operated-by, or under the operational control of, governmental entities.  With certain limited exceptions, they are operated as public aircraft.  This advisory circular (AC) sets forth acceptable means, but not the only means, to show compliance to the provisions of Title 14 of the Code of Federal Regulations (14 CFR) parts 23, 25, 27, and 29 regarding type certification requirements for commercial derivative aircraft (CDA).  This AC is presented as companion material to the procedures outlined in Order 8110.101, Type Certification Procedures for Military Commercial Derivative Aircraft.”  The guidance provided in this AC is for use on certification projects for Military CDA.  Certain provisions of this AC may also be applicable to certification projects for non-military CDA e.g., aircraft operated by state or local governments under public-use or aircraft owned by a foreign government.

20-154 AFS-300 Guide for Developing a Receiving Inspection System for Aircraft Parts and Material - Change 1

This advisory circular (AC) provides guidance and information for incorporation into operators’ existing receiving/inspection systems to help prevent the introduction of unairworthy parts into inventories. The aim is to establish sufficient traceability to establish that the part(s) were manufactured under Title 14 of the Code of Federal Regulations (14 CFR) part 21, were previously determined to be Airworthy under 14 CFR part 43, and produced to established industry or U.S. Government standards or accepted foreign standards. Like all AC material, this AC is not mandatory and does not constitute a regulation. It is issued for guidance and to outline a method of compliance with the rules. This is one means but not the only means for developing a receiving inspection system. In lieu of following the method(s) prescribed herein, the applicant may elect to follow an alternate method.


20-140B AIR-130 Guidelines for Design Approval of Aircraft Data Link Communication Systems Supporting Air Traffic Services (ATS)


This AC provides airworthiness requirements for aircraft with an installed data link system intended to support air traffic services. It identifies specific configurations of aircraft data link systems for applicants seeking approval for type certificates (TC) and supplemental type certificates (STC) in order to facilitate operational approvals. Appendix A of this AC provides a list of related documents. Appendix B of this AC contains a list of applicable acronyms.

This AC describes an acceptable means, but not the only means, to gain airworthiness approval for your aircraft data link system equipment. However, if you use the means described in this AC, you should follow it in its entirety.

20-88A ANM-110 Guidelines on the Marking of Aircraft Provides revised guidelines on the marking of aircraft powerplant instruments and electronic displays (cathode ray tubes, etc.). These guidelines offer acceptable, but not exclusive, methods of compliance with the powerplant instrument color marking requirements. 09-30-1985
20-42D AIR-120 Hand Fire Extinguishers for Use in Aircraft

This advisory circular (AC) gives you guidance for the fire-fighting effectiveness, selection and safe-use of hand fire extinguishers in airplanes and rotorcraft. In it we will also show you how to gain Federal Aviation Administration (FAA) approval of hand fire extinguishers for aircraft.

20-117 AFS-200 Hazards Following Ground Deicing and Ground Operations in Conditions Conducive to Aircraft Icing Provides information on the identified hazards associated with ground deicing and ground operations in conditions conducive to aircraft icing. 12-03-1982
20-157 AIR-120 How to Prepare Reliability Assessment Plans for Aircraft Systems and Equipment This AC shows you how to develop and use a reliability assessment plan. An assessment plan documents the controlled, repeatable processes for assessing the reliability of aircraft and engine electronic and electrical systems, including their electromechanical elements and equipment 01-19-2007
20-155A AIR-130 Industry Documents To Support Aircraft Lightning Protection Certification

a.   This advisory circular (AC) recognizes several SAE Aerospace Recommended Practices (ARPs) and European Organization for Civil Aviation Equipment (EUROCAE)documents as acceptable methods for showing compliance with airworthiness regulations.  These industry documents provide guidance on aircraft lightning environment and test waveforms, aircraft lightning zoning, aircraft lightning test methods, and aircraft lightning direct effects.     

b.   This AC is not mandatory and does not constitute a regulation.  It describes an acceptable means, but is not the only means, to help you to obtain certification for lightning protection.

20-149A AIR-130 Installation Guidance for Domestic Flight Information Services - Broadcast

 a. This advisory circular (AC) supports the use of Flight Information Services - Broadcast (FIS-B) weather and other aeronautical data link products for enhanced situation awareness of flight conditions. In this AC, the Federal Aviation Administration (FAA) recommends one way to gain airworthiness approval for the installation of FIS-B avionics equipment. We identify safety and installation requirements for continued airworthiness of aircraft FIS-B avionics equipment, systems, and applications. This AC is not mandatory and does not constitute a regulation. This AC describes an acceptable means, but not the only means, to gain airworthiness approval for your FIS-B avionics equipment. However, if you use the means described in this AC, you must follow it in its entirety.

b. FIS-B was introduced to improve safety and to increase the utility, efficiency, and capacity of the National Airspace System (NAS). Timely delivery of quality, accurate, and consistent information is utilized by pilots for assisting in operational decisions.

c. This AC was revised to remove outdated information on the Flight Information Services Data Link (FISDL) program and replace with the current FIS-B system while maintaining alternative third party subscription services.

20-173 AIR-130 Installation of Electronic Flight Bag Components

This advisory circular (AC) provides guidance material on the installation of electronic flight bag (EFB) components including aircraft connectivity provisions.  In it, the Federal Aviation Administration (FAA) describes certification considerations for individual EFB components and for installing EFB aircraft connectivity provisions by addressing the principal elements, or “components,” which comprise a typical EFB device or system. 

This AC describes an acceptable means, but not the only means, to comply with Title 14 of the Code of Federal Regulations (14 CFR) part 23, 25, 27, or 29.  This AC is not mandatory and does not constitute a regulation.  However, if you use the means described in this AC, you must follow it entirely.  The term “must” is used to indicate mandatory requirements when following the guidance in this AC.  The terms “should” and “recommend” are used when following the guidance is recommended but not required to comply with this AC. 

20-143 ACE-100 Installation, Inspection, and Maintenance of Controls for General Aviation Reciprocating Aircraft Engines Provides guidance regarding the inspection, maintenance, and installation of engine controls with emphasis on the airframe portion of these systems. It provides a supplement to, but does not replace, the procedures in the manufacturers’ maintenance manuals. Where the content of the AC differs from, or conflicts with the manufacturers’ maintenance manual, instructions contained in the manufacturers’ manual take precedence over the guidelines provide in this AC. 06-06-2000
20-170 AIR-120 Integrated Modular Avionics Development. Verification, Integration and Approval using RTCA/DO-297 and Technical Standard Order C153

This advisory circular (AC) shows you how to obtain Federal Aviation Administration (FAA) airworthiness approval for the development, verification, and integration of an integrated modular avionics (IMA) system for installation into an aircraft or engine.  We cite RTCA, Inc. document RTCA/DO-297, Integrated Modular Avionics (IMA) Development Guidance and Certification Considerations, dated November 8, 2005 and supplement it with this text.  This AC also provides guidance on how to show compliance with Technical Standard Order (TSO)-C153, Integrated Modular Avionics Hardware Elements.

This AC is not mandatory and does not constitute a regulation.  In it, we describe an acceptable means, though it is not the only means, to obtain FAA approval of IMA systems.    

This AC uses the terminology “should” when discussing compliance to the AC itself, as the AC represents one, but not the only, method of complying with the regulations.   This AC uses the term “must” when discussing compliance to the regulations, as compliance to a regulation is not optional.  In these cases, the AC text supplies, in square brackets, a reference to the specific rule(s) being discussed.

20-166A AIR-110 Issue Paper Process

a.  This advisory circular (AC) provides information on the use of issue papers and gives you guidance on your role in describing and tracking the resolution of significant technical, regulatory, and administrative issues derived from the issue paper process. This document provides guidance to you relative to FAA Order 8110.112, Standardized Procedures for Usage of Issue Papers and Development of Equivalent Levels of Safety Memorandums.

b.  This AC is not mandatory and is not a regulation. This AC describes an acceptable means, but not the only means, to comply with Title 14 of the Code of Federal Regulations (14 CFR).  However, if you choose to use the means described in this AC follow it in its entirety. 

20-76 AFS-330 Maintenance Inspection Notes for Boeing Provides maintenance inspection notes which can be used for the maintenance support program for certain structural parts of the B-707/720 series aircraft. 10-21-1971
20-114 AIR-100 Manufacturers' Service Documents Suggests acceptable methods by which product manufacturers may indicate FAA approval of recommended actions prescribed in manufacturers’ service documents. 10-22-1981
20-116 ACE-100 Marking Aircraft Fuel Filler Openings with Color Coded Decals Discusses the conditions under which color coded decals may be used to comply with the requirements in FAR Parts 23, 25, 27, and 29 for marking fuel filler openings. 09-17-1982
20-56A AIR-120 Marking of TSO-C72b Individual Flotation Devices Outlines acceptable methods for marking individual flotation devices which also serve as seat cushions 04-01-1975
20-38A ANM-100 Measurement of Cabin Interior Emergency Illumination in Transport Airplanes Outlines acceptable methods, but not the only methods, for measuring cabin interior emergency illumination on transport airplanes, and provides information as to suitable measuring instruments. 02-08-1966
20-146 ANM-100 Methodology for Dynamic Seat Certification by Analysis for Use in Part 23, 25, 27, and 29 Airplanes and Rotorcraft

This advisory circular (AC) sets forth an acceptable means, but not the only means, for demonstrating compliance to the following by computer modeling analysis techniques validated by dynamic tests: • Title 14 Code of Federal Regulations (14 CFR) parts 23, 25, 27, and 29, §§ 23.562, 25.562, 27.562, and 29.562. • The Technical Standard Order (TSO) associated with the above regulations, TSO-C127/C127a.

20-120 ASM-500 Nondirectional Beacon Frequency Congestion Recommends several actions that the user can take to alleviate problems of frequency congestion in the 190-535 kHz frequency range. 06-18-1984
20-159 AIR-130 Obtaining Design and Production Approval of Airport Moving Map Display Applications Intended for Electronic Flight Bag Systems This AC will guide you in obtaining a design and production approval inder Technical Standard Order (TSO) C-165, Electronic Map Display Equipment for Graphical Depiction of Aircraft Position, for the software used to provide an airport moving map display(AMMD) intended for use on a Class 2 electronic flight bag (EFB). 04-30-2007
20-160 AIR-100 Onboard Recording of Controller Pilot Data Link Communication in Crash Survivable Memory The AC offers one way to achieve an acceptable level of performance for an aircraft recording system when a controller-pilot data communication capability is installed. We wrote this AC for aircraft equipment installers and type certificate applicants to identify design approval requirements for data link communication recording equipment. 02-21-2008
20-113 ACE-100 Pilot Precautions and Procedures to be taken in Preventing Aircraft Reciprocating Engine Induction System and Fuel System Icing Problems Provides information pertaining to aircraft engine induction system icing and the use of fuel additives to reduce the hazards of aircraft operation that may result from the presence of water and ice in aviation gasoline and aircraft fuel systems. 10-22-1981
20-40 ACE-100 Placards for Battery-Excited Alternators Installed in Light Aircraft Sets forth an acceptable means of complying with placarding rules in Federal Aviation Regulations 23 and 27 with respect to battery excited alternator installations. 08-11-1965

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