Provides a method to substitute an approved attitude indicator for the rate-of-turn indicator mandated by Title 14 of the Code of Federal Regulations (14 CFR) part 91, section 91.205(d)(3).

This advisory circular (AC) provides the means for conducting IFPV of satellite-enabled PBN instrument flight procedures for both fixed-wing and helicopter aircraft.

This AC provides guidance for non-FAA Instrument Flight Procedure (IFP) developers, hereinafter referred to as “service providers,” to become authorized by the Federal Aviation Administration (FAA) (Flight Standards’ Flight Technologies and Procedures Division) to develop public performance based IFPs.

This AC provides guidance for airport operators when developing an LVO/SMGCS Plan. There may be valid safety and operational reasons for a specific LVO/SMGCS Plan to vary from the AC 120-57 (current edition) guidance due to unique local issues, environmental factors, or volume of traffic operations.

The intent of this AC is to facilitate operations using Automatic Dependent Surveillance-Broadcast (ADS-B) technology in compliance with Title 14 of the Code of Federal Regulations (14 CFR) §§ 91.225 and 91.227.

This advisory circular (AC) provides airworthiness and operational authorization guidance material for operators, pilots, certificate holders, and/or program managers conducting Title 14 of the Code of Federal Regulations (14 CFR) part 91, §§ 91.180 and 91.706 Reduced Vertical Separation Minimum (RVSM) operations.

This advisory circular (AC) provides operational and airworthiness guidance for operation on U.S.

This advisory circular (AC) provides airworthiness and operational approval guidance material for aircraft operators conducting Title 14 of the Code of Federal Regulations (14 CFR) part 97 Area Navigation (RNAV) Required Navigation Performance (RNP) instrument approach procedures (IAP) with Authorization Required (AR), charted as "RNAV (RNP) RWY XX.

This AC provides criteria and describes acceptable methods for obtaining approval to use Offshore Standard Approach Procedures (OSAP), Airborne Radar Approaches (ARA), and Helicopter En Route Descent Areas (HEDA) to descend in uncontrolled airspace to an altitude where the pilot can proceed to land using visual references to the surface.

This AC provides an explanation of enhanced flight vision system (EFVS) operations conducted under Title 14 of the Code of Federal Regulations (14 CFR), guidance for obtaining Operations Specification (OpSpec), Management Specification (MSpec), or Letter of Authorization (LOA) C048, Enhanced Flight Vision System (EFVS) Operations, and information that may facilitate the development of a training curriculum for EFVS operations.

This AC provides an acceptable means, but not the only means, for obtaining and maintaining approval of CAT I & II Weather Minima including the installation and approval of associated aircraft systems.

States an acceptable means, not the only means, for obtaining approval of Category III Landing Weather Minima and low visibility takeoff, including the installation and approval of associated aircraft systems.

This advisory circular (AC) provides operational and airworthiness guidance regrading the suitablity and use of RNAV systems while operating on or transitioning to, conventional i.e. non-RNAV, routes and procedures within the United States (US) National Airspace System (NAS).

This advisory circular (AC) provides guidance for operators to conduct Title 14 of the Code of Federal Regulations (14 CFR) part 97 instrument flight rules (IFR) Area Navigation (RNAV) Global Positioning System (GPS) instrument approach procedures (IAP) with Localizer Performance with Vertical guidance (LPV) and Localizer Performance without vertical guidance (LP) lines of minima using the wide area augmentation system (WAAS).

This advisory circular (AC) provides an acceptable means, but not the only means, for obtaining and maintaining authorization of operations in Category (CAT) I, CAT II, and CAT III landing weather minima and instrument flight rules (IFR) lower-than-standard takeoff minima.

This AC describes acceptable methods and guidelines for developing takeoff and initial climbout airport obstacle analyses andin-flight procedures to comply with the intent of the regulatory requirements of Title 14 of the Code of Federal Regulations (14 CFR) part 121, §§ 121.177 and 121.189; part 135, §§ 135.367, 135.379, and 135.398; and other associated one-engine-inoperative (OEI) requirements relatingto turbine-engine-powered airplanes operated under parts 121 and 135.

This advisory circular (AC) applies to all pilots, certificate holders, operators, and/or program managers conducting data link communication operations and to those providing data communication services on behalf of operators to meet Federal Aviation Administration (FAA) and International Civil Aviation Organization (ICAO) requirements.

This AC provides guidance on applying for a Federal Aviation Administration (FAA)-Recognized Identification Area (FRIA), in accordance with Title 14 of the Code of Federal Regulations (14 CFR) Part 89, Remote Identification of Unmanned Aircraft, subpart C.

This AC provides guidance to flightcrew members and other airmen on the best practices for the use of data link to access Flight Information Services (FIS).

Provides guidance regarding on-board Area Navigation (BRNAV) equipment requirements for operators of U.S. registered civil aircraft, operating in a Basic Area Navigation (BRNAV) environment in the European region.

This advisory circular (AC) presents basic information on wake vortex behavior, alerts pilots to the hazards of aircraft wake turbulence, and recommends operational procedures to avoid wake turbulence encounters.

This advisory circular (AC) provides guidance for operators to conduct Required Navigation Performance (RNP) operations in the United States, in oceanic and remote continental airspace, and in foreign countries which adopt International Civil Aviation Organization (ICAO) standards for RNP operations.

The Federal Aviation Administration (FAA) (“we”) developed this AC to provide general information and guidance for certificated and General Aviation (GA) operators (“you”) planning flights in oceanic and remote continental airspace.

This AC describes how to use a continuous descent final approach (CDFA) technique on a Nonprecision Approach (NPA), as well as recommended general procedures and training guidelines for implementing CDFA as a standard operating procedure (SOP).

This Flight Standards Service (FS) AC contains guidance on the operational use of Electronic Flight Bags (EFB).

This AC provides an acceptable means, but not the only means, to address operational use of Airborne Collision Avoidance Systems (ACAS) in compliance with Title 14 of the Code of Federal Regulations (14 CFR) part 91, 121, 125, 129, and 135 requirements.