The radar screens once again went dark early Friday morning for air traffic controllers handling flights approaching and departing Newark Liberty International Airport — the second such incident in ...

new video loaded: Crowded Skies, Thin Margins for Error: The Minutes Before the D.C. Air Disaster transcript Using radio traffic, flight data and leaked footage of an air traffic control radar screen, ...

On a radar screen, a single blip could mean many things—so how do operators tell if it’s friendly or hostile? We break down the identification process, from basic radar returns to the use of ...

Radar beams quite literally move at the speed of light, and when they bounce off an object in the sky and return to the radar site to be collected and analyzed, we called that an “echo.” For weather ...