January 29 mid-air collision between passenger jet and Black Hawk helicopter near Reagan National Airport in Washington, D.C.

Pilots of an Army helicopter that collided with a passenger jet near DC airport didn't know how high they were flying because of altimeter discrepancies.

The hearing opened Wednesday with a video animation showing where the helicopter and airliner were leading up to the crash.

The National Transportation Safety Board said on Wednesday that testing showed faulty altitude data in U.S. Army helicopters ...

Investigators probing the January midair collision of a passenger plane and an Army helicopter over Washington that killed 67 ...

WICHITA, Kan. (KWCH) - A video shown Wednesday during an NTSB hearing on the collision between American Airlines Flight 5342 ...

Federal investigators opened a three-day inquiry Wednesday into the January plane crash that killed 67 people over Washington ...

Flight instruments probably led the Black Hawk crew to believe the helicopter was lower than it actually was before the ...

Investigators probing the January midair collision of a passenger plane and an Army helicopter over Washington that killed 67 ...

Investigators testifying at a hearing into the January's mid-air crash in Washington DC suggest faulty altitude data may have ...