Congress is holding a hearing Thursday about the January collision between an American Airlines passenger jet and an Army ...

Investigators previously said the helicopter may have had inaccurate altitude readings in the moments before the crash, and the crew may not have heard key instructions from air traffic controllers.

Here's a look at the collision: American Airlines Flight 5342 from Wichita, Kansas, was carrying 60 passengers and four crew ... to hear air traffic control tell them, just before the crash ...

What We Know About the Deadly Air Crash Between a Passenger ... may have left the crew unable to hear air traffic control tell them, just before the crash, to move behind the jet.