Hunter UAS Fielded With Automatic Takeoff And Landing System

By on Monday, October 5th, 2009

Herndon VA: Northrop Grumman has equipped and fielded its Hunter Unmanned Aircraft System (UAS) with an Automatic Takeoff and Landing System (ATLS) to the Army’s UAS Training Battalion, Fort Huachuca, Ariz., where it successfully completed its first launch and recovery.

Hunter, which has been in use with the Army since 1996, was originally designed using an External Pilot (EP) for take-offs and landings. Like a radio-controlled airplane, the EP required someone manually controlling Hunter during approach and landing as well as take-off. Using differential GPS, ATLS eliminates the need for an EP and allows Hunter to take-off and land automatically and do so precisely at pre-surveyed points on the runway.

The MQ-5B Hunter, which is currently deployed in contingency operations, provides warfighters with state-of-the-art reconnaissance, surveillance, and target acquisition (RSTA), communications relay, signal intelligence, and weapons delivery. Hunter recently surpassed 80,000 flight hours, 53,000 of which are combat-related.

“Our warfighters and their safety are top priorities at Northrop Grumman,” said Bob Avery, Northrop Grumman Technical Services’ ATLS program manager. “Take-off and landing tend to be the riskiest flight evolutions for Hunter. Not only does ATLS significantly reduce such risks – keeping the nation’s warfighters safe – it also reduces manpower requirements and operator workload.”

Northrop Grumman’s Hunter team also recently received a $39 million follow on to the Army’s Combine Base Rotation effort to continue to support Army Hunter units in Iraq and Afghanistan.

The RQ-5A Hunter was the Army’s first fielded UAS. The MQ-5B is the next-generation Hunter, continuing a legacy of service to Army corps, division and brigade warfighters. Flying over the battlefield with its multi-mission optronic payload, the MQ-5B gathers RSTA information in real time and relays it via video link to commanders and soldiers on the ground.

The MQ-5B Hunter is distinguished by its heavy fuel engines, its “wet” (fuel-carrying) extended center wing with weapons-capable hard points and a modern avionics suite. The MQ-5B Hunter system uses the Army’s One System ground control station and remote video terminal. It also carries a communications relay package to extend the radio range of warfighters.

“Each day and each new innovation further demonstrate the adaptability of the Hunter UAS,” said Karl Purdy, Northrop Grumman Technical Services’ Hunter program manager. “We’re always looking for ways to make Hunter a better platform for our warfighters, and ATLS does just that with the added bonus of reduced risk.”

The MQ-5B features a robust, fixed-wing, twin tail-boom design with redundant control systems powered by two heavy fuel engines – one engine to “push” and another to “pull” the air vehicle. Another Hunter capability is its relay mode that allows one Hunter to be controlled by another UAV at extended ranges or over terrain obstacles typical of those found in the Balkans and Afghanistan.

Hunter’s toughness and reliability are unmatched as it maintains an operational readiness rate over 95 percent in operational theaters. It is an ideal platform for spiral enhancements and technology refresh payloads. Recently Northrop Grumman integrated a new suite of avionics for Hunter, including upgraded flight and mission computers, an auxiliary power distribution unit, the LN-251 inertial navigation system with GPS, a downsized data link system
, and an APX-118 IFF transponder. The avionics suite improves performance by reducing size, weight, and power consumption of the equipment used to control the aircraft and manage its critical subsystems.

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