The new details were part of thousands documents -- including new video from the end of the runway showing the crash.

Three days of investigative hearings on the deadly midair collision over Washington in January begin Wednesday.

US Army Black Hawk near Washington found a key instrument on the helicopter was displaying inaccurate altitude data that ...

The communications between pilots and air traffic control were laid out in a visual timeline in Day One of the NTSB ...

The National Transportation Safety Board has begun a three-day investigative hearing over the deadly midair collision between ...

An Army helicopter unit flew in the tight airspace using faulty altitude readings, while controllers efforts to improve safety were rebuffed, according to the NTSB.

Tests raised questions about whether instruments in an Army Black Hawk helicopter may have led pilots to believe they were at ...

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

The army helicopter that crashed into a passenger jet over Washington DC was flying too high, investigators have concluded.

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

A National Transportation Safety Board hearing revealed that the U.S. Army was aware of altitude discrepancies on Black Hawk ...