|21.17-1A||ACE-100||Type Certification-Airships Describes two acceptable criteria for the type certification of airships that may be used by an applicant in showing compliance with section 21.17(b) of the Federal Aviation Regulations (FAR),Part 21. General guidance relative to airship type certification is also provided.||09-25-1992|
|21.17-3||AIR-110||Type Certification of Very Light Airplanes Under FAR 21.17(b) Provides a means but not the only means for the type, production, and airworthiness certification of very light airplanes (VLA); and designates the “Joint Aviation Requirements for Very Light Aeroplanes” (JAR-VLA), issued April 25, 1990, by the Joint Aviation Authorities (FAA) of Europe as an acceptable airworthiness criteria that provides in equivalent level of safety under FAR 21.17(b) for Federal Aviation Administration (FAA) type certification of VLA as a special class of aircraft. Provides other acceptable uses of the JAR-VLA in the United States aircraft certification regulatory system.||12-21-1992|
|23.1521-2||ACE-100||Type Certification of Oxygenates and Oxygenated Gasoline Fuels in Part 23 Airplanes with Reciprocating Engines 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. Also apply to those airplanes approved under Part 4a of the CAR and Aeronautics Bulletin 7a.||04-24-1996|
|23.1521-1B||ACE-111||Type Certification of Automobile Gasoline in Part 23 Airplanes with Reciprocating Engines Sets forth acceptable means of compliance with Part 23 of the Federal Air Regulations (FAR), for approval/certification to use automobile gasoline with or without oxygenates (alcohol, ethers, etc.) in Part 23 airplanes. These procedures also apply to those airplanes approved/certificated under previous regulations superseded by Part 23.||03-02-1995|
|23-14||ACE-100||Type Certification Basis for Conversion from Reciprocating Engine to Turbine-Powered Part 23 Airplanes 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).||09-30-1993|
Turbojet, Turboprop, Turboshaft, and Turbofan Engine Induction System Icing and Ice Ingestion
This advisory circular (AC) provides guidance for demonstrating compliance with the engine induction system icing and engine installation ice requirements of Title 14 Code of Federal Regulations (14 CFR) parts 23, 25, 27, 29, and 33. This AC discusses the icing environments depicted in appendices C and O of part 25, appendix C of part 29, and appendix D of part 33. This AC discusses turboshaft engine installations, but not the rotary wing aircraft they are installed on.
|33-83A||ANE-111||Turbine Engine Vibration Test||09-29-2006|
|33.63-1||ANE-110||Turbine Engine Vibration This advisory circular (AC) provides guidance and acceptable methods, but not the only methods, that may be used to demonstrate compliance with the vibration requirements of § 33.63 of Title 14 of the Code of Federal Regulations (14 CFR part 33).||07-25-2007|
|33-5||ANE-110||Turbine Engine Rotor Blade Containment/Durability Provides guidance and acceptable methods, but not the only methods, that may be used by an applicant in showing compliance with the turbine engine rotor blade containment requirements of Part 33 of the Federal Aviation Regulations (FAR).||06-18-1990|
|33.78-1||ANE-110||Turbine Engine Power-Loss and Instability in Extreme Conditions of Rain and Hail Provides guidance and acceptable methods, but not the only methods, that may be used to demonstrate compliance with the requirements contained under Title 14 of the Code of Federal Regulations (14 CFR), part 33, sections 33.78(a)(2) and 33.78(c).||02-08-2000|
Turbine Engine Continued Rotation and Rotor Locking
This advisory circular (AC) provides guidance to demonstrate compliance with Title 14 of the Code of Federal Regulations (14 CFR), Section 33.74, Continued Rotation and Section 33.92, Rotor Locking Tests.
|91-37B||AFS-800||Truth in Leasing This advisory circular (AC) provides information and guidance for lessees and conditional buyers of U.S.-registered aircraft. While truth-in-leasing requirements are required by regulation for aircraft weighing more than 12,500 pounds, the Federal Aviation Administration (FAA) prepared this AC to ensure any person who is seeking to lease an aircraft understands the meaning of operational control and does not enter into an agreement where operational control is not clearly maintained by the appropriate party.||02-10-2016|
|25-18||ANM-114||Transport Category Airplanes Modified for Cargo Service Provides guidance for demonstrating compliance with the FAR pertaining to transport category airplanes converted for use in all-cargo or combination passenger/cargo (combi) service and the relationship of those regulations to the requirements of Parts 121and 135 of the FAR.||01-06-1994|
|120-38||AFS-260||Transport Category Airplanes Cabin Ozone Concentrations Provides guidance concerning acceptable means, but not the only means, for an air carrier to demonstrate compliance with the maximum permissible cabin ozone (03) concentrations established by Section 121.578 of the Federal Aviation Regulations.||10-10-1980|
Transport Airplane Landing Gear Retracting Mechanism
This advisory circular (AC) describes an acceptable means for showing compliance with the requirements of Title 14 of the Code of Federal Regulations (14 CFR) 25.729 regarding the landing gear retracting mechanism requirements. It will be incorporated into AC 25-21, “Certification of Transport Airplane Structure” and 25-22, “Certification of Transport Airplane Mechanical Systems” at a later date.
Transport Airplane Cabin Interiors Crashworthiness Handbook
This Advisory Circular (AC) provides acceptable certification methods, but not necessarily the only acceptable methods, for demonstrating compliance with the crashworthiness requirements of part 25, as amended through Amendment 25-112, of Title 14 of the Code of Federal Regulations (14 CFR) for transport category airplanes. The guidance in this AC is not mandatory nor a regulation.
Transition to Unfamiliar Aircraft
This advisory circular (AC) is intended to help plan the transition to any unfamiliar fixed-wing airplanes, including type-certificated (TC) and/or experimental airplanes. It provides information and guidance to owners and pilots of experimental, simple, complex, high-performance, and/or unfamiliar airplanes. It also provides information to flight instructors who teach in these airplanes. This information and guidance contains recommendations for training experience for pilots of experimental airplanes in a variety of groupings based on performance and handling characteristics. This AC does not address the testing of newly built experimental airplanes. The current edition of AC 90-89, Amateur-Built Aircraft and Ultralight Flight Testing Handbook, provides information on such testing. However, if a pilot is planning to participate in a flight test program in an unfamiliar and/or experimental airplane, this AC should be used to develop the skills and knowledge necessary to safely accomplish the test program utilizing the guidance found in AC 90-89.
Training, Qualification, and Certification of Nondestructive Inspection Personnel
This advisory circular (AC) contains recommendations for the experience, training, qualification, examination, and certification of nondestructive inspection (NDI) personnel for the inspection of aircraft, engines, propellers, accessories, and other aviation components. It recommends criteria for the qualification of personnel requiring appropriate knowledge of the technical principles underlying the nondestructive tests they perform. This document applies to those individuals directly responsible for technical adequacy of the NDI methods used, as well as those persons or organizations providing training, supervision, or oversight of NDI personnel. Organizations should have a written program describing the guidelines used to train, qualify, and certify personnel. Inspection personnel qualified under this document may be eligible for Federal Aviation Administration (FAA) repairman’s certification with an NDI rating.
|90-42F||AFS-820||Traffic Advisory Practices at Airports without Operating Control Towers Contains good operating practices and procedures for use when approaching or departing airports without an operating control tower and airports that have control towers operating part time. Includes changes in radio frequencies and phraseology.||05-21-1990|
Towbar and Towbarless Movement of Aircraft
This advisory circular (AC) provides guidance for towbar and towbarless movement of aircraft.
|20-35C||AFS-340||Tiedown Sense Provides updated information of general use on aircraft tie down techniques and procedures.||07-12-1983|
This advisory circular (AC) describes the hazards of thunderstorms to aviation and offers guidance to help prevent accidents caused by thunderstorms.
|93-3||AJR-1||This AC describes the communication process between a pilot-in-command of a TARMAC delayed aircraft and local air traffic control (ATC). In addition, air carrier (Air Carrier Operations Center/Dispatch) communications related to TARMAC delayed aircraft with the Air Traffic Control System Command Center (ATCSCC) are addressed||03-23-2010|
|25.856-1||ANM-115||Thermal/Acoustic Insulation Flame Propagation Test Method Details Guidance applies to airplanes required to conform with 25.856, and part VI of appendix F to Title 14 Code of Federal Regulations (14 CFR) part 25.||06-24-2005|
|103-7||AFS-820||The Ultralight Vehicle Provides guidance to the operators of ultralights in the United States. It discusses the elements, which make up the definition of ultralight vehicles for the purposes of operating under Federal Aviation Regulation (FAR) Part 103. It also discusses when an ultralight must be operated as an aircraft under the regulations applicable to certificated aircraft.||01-30-1984|