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

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

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.

The National Transportation Safety Board is launching a three-day investigation hearing on the D.C. plane crash that left 67 ...

Brother of DC plane crash victim Dailey Crafton joins 'Fox & Friends First' to discuss the loss of his brother Casey ahead of ...

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

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

Photo / Petty Officer 1st Class Brandon Giles, US Coast Guard via ) Investigators painted a devastating picture today of ...

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