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Automatic Collision Avoidance Technology / Fighter Risk Reduction Project
November 24, 2010

F-16D aircraft takes off from Edwards Air Force Base.The U.S. Air Force's F-16D Automatic Collision Avoidance Technology (ACAT) aircraft takes off from Edwards Air Force Base on a flight originating from NASA's Dryden Flight Research Center. NASA Dryden is working with the Air Force Research Laboratory in the ACAT Fighter Risk Reduction Project to develop collision avoidance technologies for fighter/attack aircraft that would reduce the risk of ground and mid-air collisions. (NASA photo/Tom Tschida) The joint U.S. Air Force/NASA F-16D Automatic Collision Avoidance Technology, or ACAT project phase led by NASA Dryden has ended successfully with the completion of the effort's Automatic Ground Collision Avoidance System (Auto GCAS) testing. The project is now transitioning over to the Air Force Flight test Center's 416th Flight Test Squadron. There, the Auto GCAS software begins production testing with an anticipated fielding date of 2014.

The Fighter Risk Reduction Project is the first flight research effort being conducted under the Automatic Collision Avoidance Technology program of the Air Force Research Laboratory at Wright-Patterson Air Force Base in Dayton, Ohio. Actual test flights of the system began in the fall of 2009.

NASA Dryden led the project's integrated test team, responsible for the technical content of test and evaluation, maintenance of the Air Force F-16D test aircraft, project management and engineering services, and provided the project's chief pilot. The program is directly funded by the Department of Defense through the Air Force Research Laboratory, and the laboratory is reimbursing NASA for its services under an agreement with Dryden.

The ACAT program began in 2004 as a new initiative between the Air Force Research Lab, the Office of the Secretary of Defense and NASA. ACAT was designed as a broad based program to enhance and transition automatic collision avoidance technologies throughout the aviation industry, starting with the Department of Defense.

ACAT began with the Auto GCAS technology under the Fighter Risk Reduction Project, and should later add air collision avoidance by integrating it with Auto GCAS. In the future, this technology focus will broaden beyond fighter/attack aircraft, likely initiating other such risk reduction projects to benefit other military and civil aircraft, including unmanned aircraft systems.

The research laboratory's Air Vehicles Directorate, the Air Force Flight Test Center at Edwards Air Force Base, Calif., and NASA Dryden have been jointly developing automatic collision avoidance technologies for over 20 years. This technology was originally refined at NASA Dryden from 1997 to 1998 under a "Full Envelope Auto-GCAS" research project during the final stages of the Advanced Fighter Technology Integration (AFTI) F-16 program. That program's Joint Test Force was based at Dryden for 16 years, from 1982 to 1998.

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