Approval of Flight Guidance Systems
This advisory circular (AC) describes an acceptable means for showing compliance with certain requirements of Title 14, Code of Federal Regulations (CFR) 25.1329, Flight guidance systems. While part 25 contains the airworthiness standards applicable to transport category airplanes, the guidance in this AC pertains to the functions of autopilots, flight directors, and automatic thrust control as well as any interactions with stability augmentation and trim functions. This revision incorporates minor changes associated with issuance of the final rule for Airplane and Engine Certification Requirements in Supercooled Large Drop, Mixed Phase, and Ice Crystal Icing Conditions.
Aeroelastic Stability Substantiation of Transport Category Airplanes
This advisory circular (AC) provides guidance material for acceptable means, but not the only means, of demonstrating compliance with the provisions of Title 14, Code of Federal Regulations part 25 associated with the design requirements for transport category airplanes to preclude the aeroelastic instabilities offlutter, divergence, and control reversal. The precise details for analytical procedures and testing techniques are beyond the scope of this AC. However, some general information is included, with supporting discussions, for consideration when demonstrating compliance with§ 25.629 and related regulations. Revision B incorporates changes only to the portions of this AC affected by the Airplane and Engine Certification Requirements in Supercooled Large Drop, Mixed Phase, and Ice Crystal Icing Conditions final ru
Automatic Dependent Surveillance-Broadcast Operations
The Federal Aviation Administration (FAA) has issued a new rule contained in Title 14 of the Code of Federal Regulations (14 CFR) part 91, §§ 91.225 and 91.227. This rule requires Automatic Dependent Surveillance-Broadcast (ADS-B) Out performance when operating in designated classes of airspace within the U.S. National Airspace System (NAS) after January 1, 2020. This advisory circular (AC) provides users of the NAS guidance on a means of conducting flight operations in accordance with §§ 91.225 and 91.227. The appendices in this AC provide guidance for additional operations enabled by ADS-B to include ADS-B In.
Specification for Constant Current Regulators and Regulator Monitors
Contains a specification for constant current regulators (CCR) and a monitor for use with airport lighting circuits.
Issue Paper Process
a. This advisory circular (AC) provides information on the use of issue papers and gives you guidance on your role in describing and tracking the resolution of significant technical, regulatory, and administrative issues derived from the issue paper process. This document provides guidance to you relative to FAA Order 8110.112, Standardized Procedures for Usage of Issue Papers and Development of Equivalent Levels of Safety Memorandums.
FAA Approval of Aviation Training Devices and Their Use for Training and Experience
This advisory circular (AC) provides information and guidance for Aviation Training Device (ATD) manufacturers seeking Federal Aviation Administration (FAA) approval of basic aviation training devices (BATD) or advanced aviation training devices (AATD) under Title 14 of the Code of Federal Regulations (14 CFR) part 61, § 61.4(c). This AC also provides information and guidance for those persons who intend to use a BATD or AATD for activities involving pilot training and experience, other than for practical tests, aircraft-type-specific training, or an aircraft type rating. This AC contains specific procedures regarding the evaluation, approval, and use of an ATD under 14 CFR parts 61 and 141. The criteria specified in this AC are used by the FAA to determine whether an ATD is qualified for approval as a BATD or an AATD. These guidelines have developed from extensive FAA and industry experience in determining methods of compliance with the pertinent 14 CFR regulations. Applicable regulations are noted only for reference. This AC does not change regulatory requirements; therefore, the provisions of the current regulation always control. This AC applies only to the evaluation and use of BATDs and AATDs. This notice does not apply to full flight simulators (FFS) and flight training devices (FTD) that are regulated under 14 CFR part 60.
In-flight Radiation Exposure
This advisory circular (AC) provides basic background information and links to sources of more detailed information that can be used to improve air carrier programs that inform crewmembers about in-flight ionizing radiation exposure.
Dynamic Gust Loads
This advisory circular (AC) describes acceptable means for showing compliance with the requirements of Title 14, Code of Federal Regulations (14 CFR) 25.341, Gust and turbulence loads. Section 25.341 specifies the discrete gust and continuous turbulence dynamic load conditions that apply to the airplane and engines.
Engine Failure Loads
This advisory circular (AC) describes an acceptable means for showing compliance with the requirements of Title 14, Code of Federal Regulations (14 CFR) 25.362, Engine failure loads. Section 25.362 specifies the engine failure dynamic load conditions that apply to the engine mounts, pylons, and adjacent supporting airframe structure.
Ground Gust Conditions
This advisory circular (AC) describes acceptable means for showing compliance with the requirements of Title 14, Code of Federal Regulations (14 CFR) 25.415, Ground gust conditions. Section 25.415 specifies the gust load conditions that are assumed to occur while the airplane is taxiing, and when parked. These load conditions apply to the flight control systems and surfaces.
Laser Airworthiness Installation Guidance
In this advisory circular (AC), we recommend one way to obtain Federal Aviation Administration (FAA) airworthiness approval for the installation of aircraft?mounted, nonrequired, invisible spectrum laser equipment such as infrared surveillance laser and light detection and ranging (LIDAR) equipment. 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 the requirements found in Title 14 of the Code of Federal Regulations (14 CFR) 23.1301, 23.1309, 23.1529, 23.1581, 25.1301, 25.1309, 25.1529, 25.1581, 27.1301, 27.1309, 27.1529, 27.1581, 29.1301, 29.1309, 29.1529, and 29.1581 for the laser equipment aspects only. If you use the means described in this AC, you must follow it in its entirety.
This advisory circular (AC) updates information regarding the hazards and risks of in-flight fires on transport category aircraft. The information includes recommended crewmember procedures and training for combating in-flight fires. The National Transportation Safety Board (NTSB) issued Safety Recommendations A-11-87 through A-11-91 during the investigation of United Parcel Service (UPS) flight 6 accident on September 3, 2010 in the United Arab Emirates. The flightcrew encountered a "Fire Main Deck" master warning about 22 minutes into the flight; they declared an emergency and initiated a return to Dubai International Airport (DXB). The aircraft crashed inside an Emirate army post 9 miles from DXB, and both flightcrew members were fatally injured. NTSB findings revealed safety issues related to the training and use of oxygen mask; communicating with oxygen masks donned; and oxygen mask stowage and the smoke, fire, or fumes checklists. This revision to AC 120-80 is in response to NTSB recommendations A-11-88 through A-11-90.
Airworthiness Approval of Satellite Voice (SATVOICE) Equipment Supporting Air Traffic Service (ATS) Communication
This advisory circular (AC) provides guidance on airworthiness approval for designers, manufacturers, and installers of Satellite Voice (SATVOICE) equipment supporting air traffic service (ATS). In this AC, the Federal Aviation Administration (FAA) recommends one way to gain airworthiness approval for SATVOICE equipment. This AC is not mandatory and does not constitute a regulation. This AC describes an acceptable means, but not the only means, to gain airworthiness approval for your SATVOICE equipment. However, if you use the means described in this AC, you must follow it in its entirety.
Air Carrier Pilot Remedial Training and Tracking Program
This advisory circular (AC) presents guidelines for developing and implementing remedial training and tracking of pilots. These guidelines apply to certificate holders conducting operations under Title 14 of the Code of Federal Regulations (14 CFR) part 121. This AC presents one way, but not necessarily the only way, that certificate holders may comply with the remedial training and tracking requirements prescribed in 14 CFR part 121, § 121.415. This AC may also provide valuable information to certificate holders in developing and implementing remedial training and tracking of other crewmembers and aircraft dispatchers.
Safety Management Systems for Aviation Service Providers
This advisory circular (AC) provides information for Title 14 of the Code of Federal Regulations (14 CFR) part 121 air carriers that are required to implement Safety Management Systems (SMS) based on 14 CFR part 5. Specifically, this document provides a description of regulatory requirements, guidance, and methods of developing and implementing an SMS. This AC may also be used by other aviation service providers interested in voluntarily developing an SMS based on the requirements in part 5.
An SMS is an organization-wide comprehensive and preventive approach to managing safety. An SMS includes a safety policy, formal methods for identifying hazards and mitigating risk, and promotion of a positive safety culture. An SMS also provides assurance of the overall safety performance of your organization. An SMS is intended to be designed and developed by your own people and should be integrated into your existing operations and business decisionmaking processes. The SMS will assist your organization’s leadership, management teams, and employees in making effective and informed safety decisions.
Part 5 specifies a basic set of processes integral to an effective SMS but does not specify particular methods for implementing these processes. In other words, the regulation defines "what" must be accomplished, not "how" it must be accomplished. This AC provides additional guidance on how the SMS may be developed to achieve the safety performance objectives outlined by your organization. As is demonstrated by this AC, there is no one-size-fits-all method for complying with the requirements of part 5. This design is intentional, in that the Federal Aviation Administration (FAA) expects each air carrier to develop an SMS that works for its unique operation. Thus, this AC provides guidance regarding designing and implementing acceptable methods of compliance with the requirements of part 5. These methods, however, are not the only means of compliance.
Instrument Flight Procedure Service Provider Authorization Guidance for RequiredNavigation Performance Authorization Required Procedures
This advisory circular (AC) provides guidance for Instrument Flight Procedure(IFP) developers, hereinafter referred to as "IFP Service Providers," to become authorized by the Federal Aviation Administration (FAA) to develop Title 14 of the Code of Federal Regulations (14 CFR) Part 97 Required Navigation Performance IFPs with Authorization Required (RNP AR).
Experimental Airworthiness Certification of Certain Former Military Aircraft
This advisory circular (AC) provides information and guidance concerning special airworthiness certification in the experimental category of certain former military aircraft under Title 14 of the Code of Federal Regulations (14 CFR) part 21, Certification Procedures for Products and Parts, §§ 21.191(a), (c), (d), (e); and 21.193.