The Automated Aerial Refueling Station Keeping Flight Test demonstrated the capability to perform boom and receptacle refueling of unmanned air vehicle systems behind a KC-135 tanker using operationally representative subsystems.

"The Station Keeping flight tests were a major step forward for automated aerial refueling technology," said Jake Hinchman, Air Force Research Laboratory automated aerial refueling program manager. "The next step for the program is to mature the technology into an operational capability."

The test integrates components on both the tanker and receiver aircraft to demonstrate the ability for the receiver aircraft to autonomously hold position relative to the tanker while the tanker executes its standard maneuvers.

During the Aug. 15 flight, at the contact position where Air Force aircraft could start receiving fuel from the tanker, the learjet's automated aerial refueling flight control system was engaged enabling the aircraft to autonomously hold the contact position while the tanker executed both straight and level flight and turns.

During the flight, the automated aerial refueling system was engaged at the contact position for 23 consecutive minutes, allowing the learjet to follow the KC-135 through two full orbits.

"The benefits of unmanned aerial system refueling are numerous," said Hinchmen. "We fully expect an increase in combat radius, increase in mission time, reduction of response time for time-critical targets, and a reduced need for forward staging areas. An increase of in-theater presence is another advantage."

Over the next year, the automated aerial refueling team will build upon the success of this flight test towards enabling new automated refueling capabilities. Within the next year, the team will demonstrate autonomous maneuvering around the tanker.

The learjet will engage the automated aerial refueling system at the observation position on the tanker wing and be directed from a control station to go to the pre-contact and contact positions upon approval from the tanker crew.

This test will be combined with simulations of both multi-ship operations around the tanker and long distance tanker rendezvous to demonstrate that the automated aerial refueling capability is ready for transition from the Learjet testbed to Air Force assets.

Related Links
US Air Force Research Laboratory Air Vehicles Directorate
UAV Technology at SpaceWar.com

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