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The fault tolerant flight control designs, as a result of this programme, should
be regarded as a first ambitious step towards assessing their potential to improve
the recovery and survivability of aircraft in adverse or upset conditions. Follow-
The programme in particular demonstrated the importance of protecting the aircraft’s
operational envelope following a failure of a critical onboard system or degradation
of the aircraft handling characteristics. Based on the experimental evaluations in
this project, it was recognised that protection of the operational envelope should
be an integral part of any new intelligent self-
Within the international aviation community, urgent measures and interventions are being undertaken to reduce the amount of loss of control accidents caused by mechanical failures, atmospheric events or pilot disorientation. Within this area, the application of fault tolerant and reconfigurable control, including aircraft envelope protection, has been recognised as a possible long term option for reducing the impact of flight critical system failures, pilot disorientation following upsets or flight outside the operational boundaries in degraded conditions (e.g. icing). Fault tolerant flight control, and the (experimental) results of this Action Group, may further support these endeavors in providing technology solutions aiding the recovery and safe control of aircraft in degraded or upset conditions.
The problems of mitigating loss of control and upset recovery and prevention are
currently being studied in follow-
The members of the GARTEUR Action Group FM-