Provides information concerning Subpart F of FAR Part 21, and sets forth an acceptable means, not the sole means, of compliance with its requirements.

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.

Provides instructions on the preparation and submittal of subject form.

Provides information and guidance concerning compliance with the requirements of Federal Aviation Regulations (FAR) Part 21, Certification Procedures for Products and Parts.

Contains guidance and information on procedures for exporting aeronautical products and related special requirements submitted to the Federal Aviation Administration by other governments.

Provides information and guidance concerning control of software and related digital input/output data (used by production approval holders (PAH) and their suppliers during manufacture, inspection and/or test) designed for use in the acceptance of airborne products.

Provides information to assist manufacturers of aeronautical products (aircraft, aircraft engines, propellers, appliances, and parts) in notifying the Federal Aviation Administration of certain failures, malfunctions, or defects, resulting from design or quality control problems, in the products which they manufacture.

Provides information and describes criteria to be emphasized in evaluating and approving the quality control system of a multinational and/or multicorporate consortium seeking a production certificate (PC).

Provides information and guidance concerning controls for managing information systems that generate and store records used in the manufacture of products and parts.

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 advisory circular (AC) explains the technical standard order (TSO) process outlined in Title 14 of the Code of Federal Regulations (14 CFR), part 21, Subpart O, for manufacturers producing articles and appliances under a TSO authorization (TSOA) or letter of TSO design approval (LODA).

suppliers by a Federal Aviation Administration (FAA) production approval holder (PAH).

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).

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.

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 a means, but not the only means, to control products and parts shipped prior to the issuance of a type certificate or supplemental type certificate by a manufacturer with an approved production inspection system or production certificate.

Provides an acceptable means, but not the only means, to show compliance with the quality assurance requirements of FAR Par 21, Certification Procedures for Products and Parts, as applicable to the production of software used in type certificated aircraft or related products (airborne software).

Provides information concerning Subpart G of Federal Aviation Regulations (FAR) Part 21, and sets forth acceptable means of compliance with its requirements.

Makes available to interested persons copies of all current U.S. Bilateral Airworthiness Agreements (BAA) together with an explanation of their intent.

RTCA/DO-160E, “Environmental Conditions and Test Procedures for Airborne Equipment,” dated December 9, 2004, as containing acceptable environmental qualifications for showing compliance with certain airworthiness requirements.

This advisory circular (AC) provides information about Title 14, Code of Federal Regulations (14 CFR) part 21, Certification Procedures for Products, Articles, and Parts.

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 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).