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.

This advisory circular (AC) sets forth an acceptable means of showing compliance with Title 14 Code of Federal Regulations (14 CFR), part 23, for the certification of systems and equipment in normal, utility, acrobatic, and commuter category airplanes and airships.

The material in this AC is neither mandatory nor regulatory in nature and does not constitute a regulation. You may follow an alternate FAA-approved method.

Provides information and guidance concerning an acceptable means of demonstrating compliance with the requirements of Part 23 of the Federal Aviation Regulations (FAR) regarding fatigue and fail-safe evaluation of metallic airplane structure.

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.

This advisory circular (AC) sets forth an acceptable means of showing compliance with Title 14 of the Code .of Federal Regulations (14 CFR), § 23.1309, through Amendment 23-6.2: for equipment, systems, and installations in 14 CFR part 23 airplanes. This AC is not mandatory and does not constitute a regulation.

This advisory circular (AC) provides information and guidance about acceptable means, but not the only means of compliance with Title 14 of the Code of Federal Regulations (14 CFR) part 23, subpart E, applicable to the powerplant installation in normal, utility, acrobatic, and commuter category airplanes.

Provides guidance regarding the inspection, maintenance, and installation of engine controls with emphasis on the airframe portion of these systems.

It is applicable to the material and process specifications, or other documents, used to ensure sufficient control of composite prepreg materials in normal, utility, acrobatic, and commuter category airplanes.

Establishes an acceptable means, but not the only means, of obtaining FAA airworthiness approval for the installation of a TAWS that has been approved under Technical Standard Order (TSO)-C151A, Terrain Awareness and Warning System, in a Part 23 airplane. The FAA’s TSO process is a means for obtaining FAA design and performance approval for an appliance, system, or product; however, the TSO does not provide installation approval.

Provides information and guidance concerning an acceptable means of compliance with Part 3 of the Civil Air Regulations (CAR) and Part 23 of the Federal Aviation Regulations (FAR), applicable to approval procedures for certification of alternate fuels.

Presents information and guidance to provide one means, but not the only means, of complying with Section 23.629, Flutter (including flutter, airfoil divergence, and control reversal) of Part 23 of the Federal Aviation Regulations.

Provides information and guidance concerning acceptable means of showing compliance with Section 21.17(b) of Part 21 of the Federal Aviation Regulations (FAR) for type certification of gliders and powered gliders.

Guidance in AC 23.1311, SAE, and RTCA documents was used in developing the GAMA Publication #12.

This advisory circular (AC) sets forth an acceptable means of showing compliance with Title 14 Code of Federal Regulations (14 CFR) part 23 and Civil Air Regulations (CAR) 3 for the flammability testing of systems and equipment in normal, utility, acrobatic, and commuter category airplanes and airships.

The main purpose of this revision of the AC is providing the guidance for the requirements in the turbojet rulemaking and some general updating due to lessons learned and advance and emerging technologies.

Sets forth acceptable conditions under which automobile gasoline (autogas) may be used in restricted category agricultural aircraft powered by Pratt and Whitney R-985 and R-1340 radial engines, and being used in agricultural operations under Federal Aviation Regulations Part 137.

Sets forth an acceptable means of complying with placarding rules in Federal Aviation Regulations 23 and 27 with respect to battery excited alternator installations.

56B, Continuing Structural Integrity Program for Airplanes, AC 25.571?1D, Damage Tolerance and Fatigue Evaluation of Structure, and AC 23?13A, Fatigue, Fail-Safe, and Damage-Tolerance Evaluation of Metallic Structure for Normal, Utility, Acrobatic, and Commuter Category Airplanes.

Provides information and guidance concerning acceptable means, but not the only means, of complying with Title 14 of the Code of Federal Regulations (14 CFR) part 23 Subpart C and portions of Subpart D.

Provides information and guidance concerning an acceptable means of showing compliance with Part 23 through amdt.23-45 of the Federal Aviation Regulations applicable to replacing reciprocating engines with gas turbine engines (turbopropeller, turbojet, or turbofan).

Provides information and guidance concerning compliance with Part 23 of the Federal Aviation Regulations (FAR) applicable to evaluation of empennage design flight loads on configurations where the horizontal tail surfaces are supported by the vertical tail, or have appreciable dihedral.

This AC is one method being utilized to achieve national standardization in normal, utility, acrobatic, and commuter category airplanes. This AC applies to Subpart B and various sections under Subparts A, D, E, F and G from § 23.1 through § 23.1589.

This material is neither mandatory nor regulatory in nature and does not constitute a regulation.

Fourth, it includes a requirement to submit ICA’s to the FSDO/ASI for acceptance. The change number and the date of the changed material are shown at the top of each changed page.