This information report (AIR) provides design information of various contemporary aircraft fly-by-wire (FBW) flight control actuation systems that may be useful in the design of future systems for similar applications. It is primarily applicable to manned aircraft. It presents the basic characteristics, hardware descriptions, redundancy concepts, functional schematics, and discussions of the servo controls, failure monitoring, and fault tolerance. All existing FBW actuation systems are not described herein; however, those most representing the latest designs are included. While this AIR is intended as a reference source of information for aircraft actuation system designs, the exclusion or omission of any other appropriate actuation system or subsystem should not limit consideration of their use on future aircraft.
The Flight Control and Vehicle Management Systems Panel is responsible for the development of standards and recommended practices related to Commercial Flight Control Systems and the Flight Control functions within Military Vehicle Management Systems (VMS). The Panel is also responsible for developing guidelines for the interface and redundancy required between the VMS and other safety critical systems. The panel provides a forum for Flight Controls and Vehicle Management System engineers, contracting agencies, prime contractors, and suppliers to exchange technical information and discuss regulatory updates, recent technology developments, lessons learned and issues related to system development and in service operation.
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AIR4253A
Description of Actuation Systems for Aircraft With Fly-By-Wire Flight Control Systems
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Description of Actuation Systems for Aircraft With Fly-By-Wire Flight Control Systems
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