|21-4B||AIR-200||Special Flight Permits for Operation of Overweight Aircraft Furnishes guidance concerning special flight permits necessary to operate an aircraft in excess of its usual maximum certificated takeoff weight.||07-30-1969|
|21-13||AIR-200||Standard Airworthiness Certification of Surplus Military Aircraft and Aircraft Built from Spare and Surplus Parts||04-05-1973|
Carriage of Cargo in Restricted Category Aircraft and Other Special Purpose Operations
This advisory circular (AC) is to advise that the carriage of cargo in a restricted category aircraft is considered a restricted category special purpose operation and provides procedures for designating other special purpose operations under Federal Aviation Regulation (FAR) 21,25(b)(7).
|21-18||AWS-1||Large AC] Bilateral Airworthiness Agreements Makes available to interested persons copies of all current U.S. Bilateral Airworthiness Agreements (BAA) together with an explanation of their intent. SN 050-007- 00614-4.||08-20-1982|
|21-10A||ANM-110||Flight Recorder and Cockpit Voice Recorder Underwater Locating Devices This AC provides an acceptable means of showing compliance with the underwater locating device (ULD) requirements of the Federal Aviation Regulations for recorder ULD’s.||04-19-1983|
|21-21||AIR-100||Use of Automobile Gasoline in Agricultural Aircraft 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.||08-24-1984|
|21-22||AIR-120||Injury Criteria for Human Exposure to Impact Describes a range of impact trauma which may be used to establish bases for acceptance levels or performance criteria in the evaluation of occupant survivability characteristics in civil aircraft.||06-20-1985|
Quality Control for the Manufacture of Composite Structures (Consolidated reprint includes Change 1)
Provides information and guidance concerning and acceptable means, but not the only means, of demonstrating compliance with the requirements of FAR Part 21, Certification Procedures for Products and Parts, regarding quality control (QC) systems for the manufacture of composite structures involving fiber reinforced materials, e.g., carbon (graphite), boron, aramid (Kevlar), and glass reinforced polymeric materials. Provides guidance regarding the essential features of QC systems for composites as mentioned in AC 20-107.
|21-28||AIR-220||Airworthiness Certification of U.S.-Produced Aircraft and Engine Kits Assembled Outside the United States Provides information and guidance concerning airworthiness certification requirements for aircraft or aircraft engines, assembled from kits by aircraft or aircraft engine manufacturers located in other countries.||06-20-1990|
|21-31||AIR-220||Quality Control for the Manufacture of Non-Metallic Compartment Interior Components Provides information and guidance concerning compliance with the requirements of Federal Aviation Regulations (FAR) Part 21, Certification Procedures for Products and Parts.||11-15-1991|
|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|
|21.17-2A||ACE-100||Type Certification-Fixed Wing Gliders (Sailplanes), Including Powered Gliders 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. General guidance relative to glider type certification is also provided.||02-10-1993|
|21-34||AIR-120||Shoulder Harness-Safety Belt Installations Provides information and guidance pertinent to an acceptable means, but not the only means, for installation of shoulder harness and safety belt restraint systems at all seat locations on all previously type-certificated aircraft.||06-04-1993|
|21-37||AIR-110||Primary Category Aircraft Provides guidance for complying with Part 21 of Subchapter C, Chapter 1, Title 14 of the Code of Federal Regulations (CFR), which contains the certification procedures for products and parts.||06-14-1994|
|21-25A||AIR-120||Approval of Modified Seats and Berths Provides information on approvals required for modifications to TSO’d seating systems. This revision incorporates guidance regarding TSO-C127 seating systems and additional information on marking and flammability testing requirements.||06-03-1997|
|21.25-1||ACE-111||Issuance of Type Certificate: Restricted Category Agricultural Airplanes Provides information and guidance for obtaining a type certificate in the restricted category under Title 14 of the Code of Federal Regulations (14 CFR) Part 21, Section 21.25, for small single-engine piston and turbo-propeller driven airplanes, which will be used for agricultural special purpose operations. It also provides an acceptable means, but not the only means, of meeting the requirements of 14 CFR part 21 for the issuance of a type certificate in the restricted category.||12-01-1997|
|21-41A||AIR-110||Replacing MIL-S-8879C With SAE AS8879 Provides information, clarification, and procedural guidance concerning the Inactivation of MIL-S-8879Cm Screw Threads, Controlled Radius Root with Increased Minor Diameter, as it relates to the civil aviation industry.||06-20-2003|
|21-19A||AIR-200||Installation of Used Aircraft Engines in New Production Aircraft||07-02-2003|
|21-23B||AIR-40||Airworthiness Certification of Civil Aircraft, Engine, Propellers, and Related Products Imported to the United States Provides information on the Federal Aviation Administration’s (FAA) objectives, regulations, and general practices for the United States of America airworthiness certification or acceptance of civil aeronautical products imported to the U.S.||11-17-2004|
|21-40A||AIR-110||Guide for Obtaining a Supplemental Type Certificate Intended as a certification guide and checklist for obtaining a Supplemental Type Certificate (STC). Title 14 of the Code of Federal Regulations (14 CFR) and Federal Aviation Administration (FAA) Directives (orders and notices) are the final authority and take precedence over this document.||09-27-2007|
Detecting and Reporting Suspected Unapproved Parts Including Changes 1 and 2
This advisory circular (AC) provides updated information and guidance to the aviation community for detecting suspected unapproved parts (SUP) and reporting them to the Federal Aviation Administration (FAA). Appendix 1 contains FAA Form 8120-11, Suspected Unapproved Parts Reports, which serves as a standardized means of reporting.
Issuance of Production Approvals Under Subparts G, K, & O
This advisory circular (AC) provides information for production approval holders (PAH) under Title 14, Code of Federal Regulations (14 CFR) part 21, Certification Procedures for Products, Articles, and Parts. This AC guides PAHs in developing and maintaining quality systems for the products and articles they produce. This guidance aids the applicant for a production approval or current PAH in developing a quality system that both meets the needs of the PAH and is compliant with the regulations. You can find this AC at http://www.faa.gov/regulations_policies/advisory_circulars/.
Issuance of Export Airworthiness Approvals Under 14 CFR Part 21 Subpart L
This advisory circular (AC) provides information about Title 14, Code of Federal Regulations (14 CFR) part 21, Certification Procedures for Products, Articles, and Parts. The AC covers subpart L, Export Airworthiness Approvals. This AC is not mandatory and does not constitute a regulation. This AC describes an acceptable means, but not the only means, to comply with these requirements. However, if you use the means described in the AC, you must follow it in all important respects.
Submittal Of Data To An ACO, A DER Or An ODA For A Major Repair Or Major Alteration
This advisory circular (AC) provides guidance for creating a complete data package when data is submitted to a Federal Aviation Administration (FAA), aircraft certification office (ACO) or to FAA designees, to support a major repair or major alteration.