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

The National Transportation Safety Board (NTSB) is holding a three-day hearing on the deadly plane crash at Reagan Airport ...

Investigators have found that a helicopter involved in a deadly crash with a passenger plane over Washington was flying above ...

The new details were part of thousands documents -- including new video from the end of the runway showing the crash -- the National Transportation Safety Board released.

Investigators have found that a helicopter involved in a deadly crash with a passenger plane over Washington was flying above ...

The National Transportation Safety Board has started investigative hearings on the deadly midair collision over Washington in ...

A test flight in May over the Potomac River found that the barometric altitude was consistently lower by about 100 feet than ...

The U.S. Army helicopter involved in the midair collision over Ronald Reagan National Airport in January was flying higher ...

The first of the National Transportation Safety Board’s three days of investigative hearings is underway to help determine ...

The National Transportation Safety Board will hold three days of hearings on the fatal midair collision between a passenger ...