The U.S. Air Force is starting operational development of an automatic ground collision avoidance system (Auto-GCAS) that potentially could save many front-line combat aircraft. The system uses precise navigation, performance and digital terrain data to monitor the aircraft’s position relative to known obstacles. Auto-GCAS is designed to intervene as a last resort when it senses that a ground collision is imminent. Just as importantly, evaluators say exhaustive flight tests prove the ...


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