General Overview
Since most avionics manufacturers see software as a way to add value without adding weight, the importance of embedded software in avionic systems is increasing.
Most modern commercial aircraft with auto-pilots use flight computers and so called flight management systems that can fly the aircraft without the pilot's active intervention during certain phases of flight. Also under development or in production are unmanned vehicles: missiles and drones which can take off, cruise and land without airborne pilot intervention.
In many of these systems, failure is unacceptable. The reliability of the software running in airborne vehicles (civil or military) is shown by the fact that most air borne accidents occur due to manual errors.
Read more about this topic: Avionics Software
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