This advisory circular (AC) provides guidance on how to submit a proposed means of compliance to Title 14, Code of Federal Regulations (14 CFR) part 23 for acceptance by the Administrator in accordance with § 23.2010, Accepted means of compliance. This guidance provides information to applicants seeking approval for a type certificate (TC), an amended TC, a supplemental type certificate (STC), an amended STC, type design changes, or parts manufacturer approval (PMA) that require use of the airworthiness standards contained in part 23.

This order is a handbook of procedures, technical guidelines, limitations of authority, and tools and resources for designated engineering representatives (DERs). We, the FAA, wrote it for all DERs and the FAA staff who manage them. We designed this handbook to give FAA managing offices and DERs a better understanding of their individual and mutual responsibilities.

This order explains how Federal Aviation Administration (FAA) aircraft certification staff can use and apply RTCA, Inc. document RTCA/DO-254, Design Assurance Guidance for Airborne Electronic Hardware, when working on certification projects. In this order you’ll find discussion and FAA interpretation of RTCA/DO 254 sections. Because it’s impractical to cover all situations or conditions, supplement these instructions with good judgment when handling problems.

This advisory circular (AC) prescribes the procedures to develop and submit aircraft owner- and operator-specific inspection programs in accordance with an inspection program selected under the provisions of Title 14 of the Code of Federal Regulations (14 CFR) part 91, § 91.409(f)(4), and satisfies the requirements of §91.409(g) for review and approval by the Federal Aviation Administration (FAA).

This advisory circular (AC) provides guidance for aircraft eligibility and operational use of data link communications in the United States, in oceanic and remote continental airspace, and in foreign countries which adopt ICAO standards for data communication. This document also provides explanations of data link systems to inform those who may be new to using digital aircraft communication and surveillance systems.

This advisory circular (AC) provides operators with guidance on how to develop and receive approval for a Weight and Balance (W&B) control program for aircraft operated under Title 14 of the Code of Federal Regulations (14 CFR) part 91 subpart K (part 91K), and parts 121, 125, and 135. This AC presents recommendations for an acceptable means, but not the only means, to develop and receive approval for a W&B control program, and includes guidance for using average and estimated weights in accordance with part 121, § 121.153(b) and other applicable sections of parts 91K, 121, 125, and 135.