NASA Flight Tests New ADS-B Device on Ikhana UAS

NASA's Dryden Flight Research Center flew its Ikhana MQ-9 unmanned aircraft with an Automatic Dependent Surveillance-Broadcast, or ADS-B, device, for the first time on March 15.It was the first time an unmanned aircraft as large as Ikhana – with a 66-foot wingspan, a takeoff weight of more than 10,000 pounds, and a cruising altitude of 40,000 feet -- has flown while equipped with ADS-B. ADS-B is an aircraft tracking technology that all planes operating in certain U.S. airspace must adopt by January 2020 to comply with Federal Aviation Administration (FAA) regulations. It also was the first flight of hardware for the NASA Aeronautics research project known as UAS in the NAS, which is short for Unmanned Aircraft Systems Integration in the National Airspace System. 

The equipment performed well during a flight lasting nearly three hours in restricted air space over Dryden's Western Aeronautical Test Range, which is part of Edwards Air Force Base and the China Lake Naval Air Warfare Center.Being equipped with ADS-B enables NASA's Ikhana to provide much more detailed position, velocity, and altitude information about itself to air traffic controllers, airborne pilots of other ADS-B equipped aircraft flying in its vicinity, and to its pilots on the ground. Currently, only air traffic controllers can see all the aircraft in any given section of the sky. 

The ADS-B checkout flight aboard Ikhana kicked off a series in which researchers will collect ADS-B data while performing representative air traffic control-directed maneuvers.As part of a collaborative effort, FAA's William J. Hughes Technical Center in Atlantic City, N.J., recorded ADS-B data from the flight and will help analyze the performance of the system installed in the aircraft. Researchers also evaluated new ADS-B laptop software for displaying surrounding air traffic information to the UAS pilots on the ground.

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