Fault diagnosis: Engineers and troubleshooters combine forces to create a knowledge-based system for the aerospace industry

Historically, weapon system maintenance has been extremely costly and time consuming. It has been estimated that testing exceeds 25 percent of the total life cycle cost of a system. Currently, an aircraft spends 30 hours in the shop for every hour that it flies. The application of an expert system to repair and maintain technology provides the opportunity to increase the readiness of our military systems and reduce operating costs.