Computer Resources Handbook for Flight Critical Systems

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Computer Resources Handbook for Flight Critical Systems

H. Hecht / M. Hecht

The functional capabilities of digital devices together with their comparatively low cost and physical resource requirements make it desirable to use computer based systems in all areas of USAF activities and particularly for those aboard aircraft. Of special concern is the use of such systems where the failure of a computer can cause loss of the aircraft and flight crew -- the use of computers in flight critical applications. Special reliability and fault tolerance (RAFT) techniques are being used within ASD and also in other military and civilian aircraft organizations to minimize and cope with the effect of failure. However, each installation of computers in connection with a flight critical function is being treated as a special case, and there are few guidelines for establishing requirements for such systems, managing their development or conducting acceptance or certification tests. This Computer Resources Handbook for Flight Critical Systems is intended as a step in filling this need. The Handbook is intended to cover the entire life cycle of a weapon system: concept definition, development, test, and operation and maintenance. Emphasis is placed on the early stages of the life cycle because deficiencies introduced there can be remedied in later stages only at very great cost. (Author)