An NTSB investigation into a fatal helicopter-airplane collision in D.C. revealed a faulty helicopter altimeter and prior ...

A long list of things went wrong in January and contributed to the collision between an Army helicopter and an American ...

The NTSB concluded three days of investigative hearings into the collision between an Army helicopter and a passenger plane ...

The National Transportation Safety Board will hold three days of hearings on the January midair collision that killed 67 ...

A three-day National Transportation Safety Board hearing on the deadliest U.S. aviation accident in decades dug into problems ...

The National Transportation Safety Board questioned witnesses Friday on collision avoidance technology and organizational ...