The National Transportation Safety Board will question witnesses Thursday about air traffic control training and collision ...

Investigators found the helicopter was flying higher than it should have been over the Potomac River in Washington. Its ...

The National Transportation Safety Board (NTSB) on Thursday morning will resume its probe into the deadly collision of an ...

The National Transportation Safety Board hearing on the Washington, D.C., midair collision is continuing Thursday. CBS News' ...

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

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

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

The National Transportation Safety Board opened a hearing into the fatal collision in January between a US Army helicopter ...

In Washington on Wednesday, the National Transportation Safety Board held the first of three days of hearings into a deadly ...