Experts who study unmanned aircraft systems — better known as drones — say it can be tough to tell from miles away. But there are clues. A light in the sky at night can easily be ...

Up in the sky, is that a drone, a plane or a helicopter? Experts who study unmanned aircraft systems — better known as drones ...

Austin also oversees the college's Unmanned Systems Program and drone lab. "I look for sound, I look for the proximity of that aircraft," Austin said. If you see flashing lights in the sky and see ...

So, how do you tell the difference between a drone and a plane ... the noise,” Abichandani said. Some unmanned aerial vehicles, such as fixed-wing drones, which are designed to fly longer ...

So, how do you tell the difference between a drone and a plane ... the noise,” Abichandani said. Some unmanned aerial vehicles, such as fixed-wing drones, which are designed to fly longer ...

Up in the sky, is that a drone, a plane or a helicopter? Experts who study unmanned aircraft systems — better known as drones — say it can be tough to tell from miles away. But there are clues.

A drone may only be flown at night if the drone is equipped with anti-collision lights visible for at least 3 miles. Many drones are equipped with lights but these lights do not necessarily fall ...

director of the Unmanned Aircraft Systems Research and Operations Center at the University of Maryland. “You can’t just walk outside and say, ‘Oh, that’s not a drone,’ or ‘That is one.’ ...