Incorrect altitude readings on the Army helicopter that collided with a passenger plane over Washington, D.C., in January ...

It showed how the helicopter flew above the 200 feet (61 metres) altitude limit on the helicopter route along the Potomac ...

The National Transportation Safety Board will wrap up its public testimony about the fatal midair crash between an Army ...

It is the second of three days of witness testimony and public inquiry by the National Transportation Safety Board into ...

The National Transportation Safety Board enters a second day of public hearings Thursday on the January midair collision ...

The NTSB showed the harrowing video of the Jan. 29 crash over the Potomac River as the agency kicked off a three-day hearing ...

Investigators found an Army helicopter was flying over Washington higher than it should have been before colliding with a ...