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NASA Developing Autonomous Flight Safety System
NASA has recently completed the design phase of a flight safety system to potentially lower range operations cost for the launch of expendable launch vehicles. The Autonomous Flight Safety System (AFSS) is being developed in three phases by a NASA team of flight systems, operations and range safety personnel. Design comments have been received from NASA and Department of Defense range safety experts for the single, on-board processor system to be developed in the current phase, Phase III. The core of the flight-qualified system is the design structure comprised of the processor, algorithms and sensors. "The successful development of the AFSS will demonstrate revolutionary capabilities through new technologies and enable space transportation systems to achieve yet another major goal in affordability," said Steven Kremer, NASA Wallops Flight Facility, Test Range Technology Program Manager. The AFSS will be an independent subsystem that would be mounted on expendable launch vehicles that require flight safety systems. If successfully demonstrated and adopted for flight by the ELV community, this on-board system for flight termination or destruct should reduce the need for safety specific ground based telemetry and radar tracking. If required, flight processors will initiate the flight termination function automatically. Redundant on board sensors will gather vehicle navigation data and flight termination will be based upon that data and software-based rules. In addition, the AFSS will allow for launches from remote locations that do not have extensive ground-based range safety equipment such as tracking radars. Prototype system flight-testing will take place through lab simulations and on suborbital sounding rockets. Flight-testing of the prototype system is scheduled for September 2004 and flight tests on the redundant system are scheduled for September 2005. This phase is a three-year effort to produce a flight qualified system that will be tested by existing launch ranges such as the NASA's Wallops Flight Facility, Wallops Island, Va.; the Eastern Range, Cape Canaveral, Fla; and the Western Range, Vandenberg Air Force Base, Calif. Related Links Wallops Flight Facility SpaceDaily Search SpaceDaily Subscribe To SpaceDaily Express 
First Comms Check Between Global Hawk And Manned Airborne Battle Management Platform
Edwards AFB - Nov 17, 2003Northrop Grumman Corporation has successfully conducted the first communication between the U.S. Air Force's Global Hawk unmanned aerial reconnaissance system and a manned airborne battle management platform.
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