Add Yahoo as a preferred source to see more of our stories on Google. WASHINGTON (AP) — Ever since Malaysia Airlines Flight 370 disappeared, a fascinated public has asked: Why can somebody in the ...

Transponders: "They're not supposed to break, but they do break" As investigators search for clues to what happened to Malaysia Airlines Flight 370, the answer to one question may prove key: Why did ...

As everybody know by now, on Sept. 11 2001, the first thing terrorists did as soon as they reached the cockpit of the four hijacked planes was turning the transponder off. This made the doomed planes ...

When an aircraft's transponder fails, Air Traffic Control (ATC) loses crucial secondary radar data (like altitude and squawk code) and must revert to primary radar ("skin paint") for basic target ...

Add Yahoo as a preferred source to see more of our stories on Google. A woman reads messages for passengers aboard a missing Malaysia Airlines plane, at a shopping mall in Petaling Jaya, near Kuala ...