Dutch and U.S. researchers are testing new acoustics technology that could be mounted on the outside of small aircraft, listening for characteristic sounds that indicate the presence of other fliers. Called an acoustic vector sensor (AVS), the system uses nanoscale materials to alert pilots to other aircraft within about 10 kilometers, a system that may help prevent midair collisions such as the one between a private plane and a sightseeing helicopter over New York City’s Hudson River in August 2009, the researchers say. [More]
Sound Idea: Acoustic Technology Lets Small Planes “Listen” for Nearby Aircraft
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