India's Defence Research and Development Organisation (DRDO) has unveiled a new very-high-frequency (VHF)-band surveillance ...

And you had radar that would show where an airplane was, it would get what's called a primary return, but it wouldn't get a secondary return. It wouldn't really get much information," said ...

The collision occurred in airspace that is difficult to navigate. Flight data, video and air traffic control audio show how the tragedy unfolded.

Languages: English. Radar images of the two aircraft that crashed over Washington, D.C. on Wednesday evening have revealed their flight paths. An American Airlines plane carrying at least 60 ...

The agreement will see the implementation of Leonardo's advanced radar technologies at the Manama Airport including the ATCR 33S NG primary surveillance radar and SIR S/I secondary surveillance radar.