Airworthiness Approval of Attitude Heading Reference System (AHRS) Equipment
This advisory circular (AC) supplements existing airworthiness approval guidance for attitude heading reference system (AHRS) articles approved under technical standard order (TSO)?C201, Attitude Heading Reference System, or later revisions. TSO-C201 includes performance standards for non-gimbaled attitude, heading, and turn and slip systems.
Airworthiness Approval for Aircraft Weather Radar Systems
a. This advisory circular (AC) provides guidance for the initial and follow-on airworthiness approval of aircraft weather radar systems meeting the latest revision of the Technical Standard Order (TSO)-C63, Airborne Weather Radar Equipment. This AC covers aircraft weather and ground mapping pulsed radar systems, and airborne Doppler weather radar systems with forward-looking windshear, turbulence detection or weather hazard indication capability. The guidance is applicable to Title 14 of the Code of Federal Regulations, parts 23, 25, 27, and 29 aircraft. This AC does not address forward-looking windshear and/or turbulence detection capability for rotorcraft.
b. This AC is not mandatory and does not constitute a regulation. This AC describes an acceptable means, but not the only means, of accomplishing airworthiness approval for the installation of airborne weather radar equipment. However, if you use the means described in this AC, you must follow it entirely. The term "must" is used to indicate mandatory requirements when following the guidance in this AC. The terms "should" and "recommend" are used when following the guidance is recommended but not required to comply with this AC. A list of related documents can be found in Appendix B of this AC.
c. This AC provides guidance intended for new approvals. This AC is not intended to modify, change, or cancel existing equipment design or airworthiness approvals. Equipment with existing approvals can continue to be installed within the provisions of its original design and airworthiness certification.
Airworthiness Approval for ADS-B in Systems and Applications
This advisory circular (AC) provides guidance for the initial and follow-on installations of Automatic Dependent Surveillance – Broadcast (ADS-B) In systems supporting ground and airborne traffic applications. These applications are defined in TSO-C195a, Avionics Supporting Automatic Dependent Surveillance – Broadcast (ADS-B) Aircraft Surveillance Applications (ASA). The applications discussed in this AC are designed to support basic situational awareness as well as the In-Trail Procedure. As more advanced applications mature, this AC will be updated to reflect those added to TSO-C195a.
|20-161||AIR-130||Aircraft Onboard Weight and Balance Systems This Advisory Circular (AC)gives manufacturers and installers an acceptable means of compliance to meet the installation, operation, and airworthiness requirements for aircraft onboard weight and balance systems (OBWBS)||04-11-2008|
Aircraft Electrical and Electronic System Lightning Protection
This advisory circular (AC) provides you with information and guidance on how you can protect aircraft electrical and electronic systems from the effects of lightning. This AC describes a means, but not the only means, for you to show compliance with Title 14 of the Code of Federal Regulations (14 CFR) 23.1306, 25.1316, 27.1316, and 29.1316, Electrical and electronic system lightning protection, as they pertain to the type or supplemental type certification of your aircraft.
This AC is not mandatory and does not constitute a regulation. However, if you use the means described in this AC to comply with 14 CFR 23.1306, 25 .1316, 27.1316, and 29.131 6, you must follow it in its entirety.
The term "must" is used to indicate mandatory requirements when following the guidance in this AC in its entirety. The terms "should" and "recommend" are used when following the guidance is recommended but not required to comply with this AC.
Acceptance of Aeronautical Data Processes and Associated Databases
This AC will help you to:
(1) Obtain a Letter of Acceptance (LOA) from the Federal Aviation Administration (FAA) that acknowledges compliance with this AC regarding aeronautical data processing.
(2) Evaluate whether data processes comply with the requirements of RTCA, Inc. document DO-200A, Standards for Processing Aeronautical Data.
(3) Define the data quality requirements (DQRs) for aeronautical data when obtaining airworthiness approval of new equipment or installations where the function of the equipment is dependent on an updateable database.
(4) Understand how an organization adheres to the data preparation and data transmission criteria applicable to the functions performed by that aeronautical data chain link or participant.
: Airworthiness Approval of Satellite Voice Equipment Supporting Air Traffic Service (ATS) Communication
This advisory circular (AC) provides guidance on airworthiness approval for designers, manufacturers, and installers of satellite voice equipment supportingair traffic service (ATS). In this AC, the Federal Aviation Administration (FAA) recommends one way to gain airworthiness approval for satellite voice 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 satellite voice equipment. However, if you use the means described in this AC, you must follow it in its entirety.
|91-62A||AIR-120||Use of Child Seats in Aircraft Provides information to assist the public in the proper use of child seats aboard aircraft and provides precautions so all occupants are able to exit rapidly from aircraft during emergencies.||10-15-1992|
|20-134||AIR-120||Test Procedures for Maximum Allowable Airspeed Indicators Provides guidance concerning test procedures which may be used in showing compliance with the standards in technical standards orders C 46a.||02-14-1990|
Technical Standard Order Program
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).
|20-41A||AIR-120||Substitute Technical Standard Order (TSO) Aircraft Equipment Sets forth an acceptable means for complying with rules governing aircraft equipment installations in cases involving the substitution of technical standard order equipment for functionally similar TSO approved equipment.||04-05-1977|
|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|
|20-104||AIR-120||Revised Powerplant Engineering Report No. 3A Standard Fire Test Apparatus and Procedure (for Flexible Hose Assemblies) Announces the availability of the subject report.||07-19-1978|
|91-44A||AIR-120||Operational and Maintenance Practices for Emergency Locator Transmitters and Receivers Combines and updates material in several Advisory Circulars on the subject of emergency locator transmitters (ELT) receivers for airborne service.||12-12-1980|
|20-56A||AIR-120||Marking of TSO-C72b Individual Flotation Devices Outlines acceptable methods for marking individual flotation devices which also serve as seat cushions||04-01-1975|
Integrated Modular Avionics Development. Verification, Integration and Approval using RTCA/DO-297 and Technical Standard Order C153
This advisory circular (AC) shows you how to obtain Federal Aviation Administration (FAA) airworthiness approval for the development, verification, and integration of an integrated modular avionics (IMA) system for installation into an aircraft or engine. We cite RTCA, Inc. document RTCA/DO-297, Integrated Modular Avionics (IMA) Development Guidance and Certification Considerations, dated November 8, 2005 and supplement it with this text. This AC also provides guidance on how to show compliance with Technical Standard Order (TSO)-C153, Integrated Modular Avionics Hardware Elements.
This AC is not mandatory and does not constitute a regulation. In it, we describe an acceptable means, though it is not the only means, to obtain FAA approval of IMA systems.
This AC uses the terminology “should” when discussing compliance to the AC itself, as the AC represents one, but not the only, method of complying with the regulations. This AC uses the term “must” when discussing compliance to the regulations, as compliance to a regulation is not optional. In these cases, the AC text supplies, in square brackets, a reference to the specific rule(s) being discussed.
|25-5||AIR-120||Installation Approval on Transport Category Airplanes of Cargo Unit Load Devices Approved as Meeting the Criteria in NAS 3610 Sets forth an acceptable means, but not the sole means, of complying with the requirements of the Federal Aviation Regulations (FAR’s) applicable to the installation on transport category airplanes of cargo load devices approved as meeting the criteria in NAS 3610.||06-03-1970|
|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|
|20-157||AIR-120||How to Prepare Reliability Assessment Plans for Aircraft Systems and Equipment This AC shows you how to develop and use a reliability assessment plan. An assessment plan documents the controlled, repeatable processes for assessing the reliability of aircraft and engine electronic and electrical systems, including their electromechanical elements and equipment||01-19-2007|
Hand Fire Extinguishers for Use in Aircraft
This advisory circular (AC) gives you guidance for the fire-fighting effectiveness, selection and safe-use of hand fire extinguishers in airplanes and rotorcraft. In it we will also show you how to gain Federal Aviation Administration (FAA) approval of hand fire extinguishers for aircraft.
|20-100||AIR-120||General Guidelines for Measuring Fire-Extinguishing Agent Concentrations in Powerplant Compartments Describes the installation and use of a model GA-2A fire extinguisher agent concentration recorder in determining the distribution and concentration of fire-extinguishing agents when discharged in an aircraft powerplant compartment.||09-21-1977|
Gaining Approval Of Seats With Integrated Electronic Components
a. This AC explains how to gain approval of aircraft seats with integrated electronic components and installed on aircraft. In it, we focus primarily on seats approved to a technical standard order (TSO). This AC applies to electronic components integrated into aircraft seats only. We don’t cover electronic components installed independent of the seat.
b. This AC is not mandatory and does not constitute a regulation. In it, we describe an acceptable means, though it is not the only means, to gain approval to install electronic components integrated in seats on aircraft. However, if you use the means described in the AC, you must follow it in all important respects.
|20-119||AIR-120||Fuel Drain Valves Provides an acceptable means, but not the only means, of compliance with the requirements of the FARs for positive locking of fuel drain valves in the closed position.||02-07-1983|
|20-71||AIR-120||Dual Locking Devices on Fasteners Provides guidance and acceptable means, not the sole means, by which compliance may be shown with the requirements for dual locking devices on removable fasteners installed in rotorcraft and transport category airplanes.||12-08-1970|
Development of Civil Aircraft and Systems
This advisory circular (AC) recognizes the Society of Automotive Engineers (SAE) Aerospace Recommended Practice (ARP) 4754A, Guidelines for Development of Civil Aircraft and Systems, dated December 21, 2010, as an acceptable method for establishing a development assurance process. SAE ARP 4754A discusses the development of aircraft and systems taking into account the overall aircraft operating environment and functions. This includes validation of requirements and verification of the design implementation for certification and process assurance.