Block 3F software

"Over the service life of the F-35 fleet, having Auto-GCAS is estimated to prevent more than 26 ground collisions from happening,” Vice Adm. Mat Winter, F-35 Program Executive Officer According Lockheed Martin, the F-35 enterprise recently approved a strategy to accelerate the implementation of Automatic Ground Collision Avoidance System (Auto-GCAS) five-years earlier than originally planned. Auto-GCAS is designed to prevent controlled flight into terrain mishaps by executing an automatic recovery maneuver when impact with the ground is imminent. It accomplishes this feat through a predicted trajectory, based on GPS positioning and system altitude, which is compared with an onboard Digital Terrain Database. Once the program recognizes the aircraft is likely to crash, it prompts the pilot to evade either a ground crash or a controlled flight into terrain situation. If no action is taken, Auto-GCAS assumes temporary control, engaging an autopilot maneuver to roll the aircraft upright and initiate a 5-G pull, diverting the plane and pilot out of harm’s way. After putting the plane on a safe trajectory, the system returns aircraft control to the pilot. The anti-collision software was developed at the Air Force Research Laboratory (AFRL) at Wright Patterson Air Force Base (AFB), Ohio and after years of testing and improvements made to digital mapping technology, the system became operational when it was installed on F-16s in 2014. Since then, seven pilots and six F-16 aircraft have credited AutoGCAS with lives and equipment. Caption: The incident marked the fourth recorded Auto GCAS save to date and the first involving GLOC. (Video via NASA Armstrong Flight Research Center - declassified USAF footage.) As the first recorded save happened just four months after completion of testing, the F-35 Joint Program Office has placed a premium on the quickest possible implementation of Auto-GCAS. “Our acquisition team is working with the warfighters to ensure Auto-GCAS is in every F-35,” said Vice Adm. Mat Winter, F-35 Program Executive Officer. “Expediting this lifesaving technology into the F-35 fleet by 2019 is estimated to prevent the loss of three aircraft, and more importantly, save the lives of three pilots. Over the service life of the F-35 fleet, having Auto-GCAS is estimated to prevent more than 26 ground collisions from happening.” Currently, F-35s are equipped with an earlier version of the software that provides pilots with a Manual Ground Collison Avoidance System (MGCAS). With this system, a pilot must be able to hear, see, process, and heed the MGCAS warning, and manually fly the aircraft away from the ground. If a pilot becomes disoriented or incapacitated, he or she may not be able to respond to MGCAS warnings, and their chances of survival severely deteriorate. Now that Auto-GCAS technology is mature and operational on other aircraft, engineers and program managers from the F-35 Joint Program Office, AFRL, and Lockheed Martin were able to confirm this capability was ready to enter a rapid integration process on the F-35. Implementing this new capability is part of an F-35 modernization, enhancements and improvement program that will build on the foundational warfighting capability in Block 3F and will continue within the established framework of the joint, multi-national F-35 Lightning II program that includes U.S. Air Force, U.S. Navy, U.S. Marine Corps, eight cooperative international partners and three foreign military sales customers. Photo credit: Samuel King Jr. / U.S. Air Force and Lockheed Martin Artwork courtesy of AircraftProfilePrints.com

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Block 3F software

F-35 TO INCORPORATE AUTO-GCAS FIVE-YEARS EARLIER THAN ORIGINALLY PLANNED

F-35 BLOCK 3F SOFTWARE JUST ONE STEP AWAY FROM IOC