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

The historic flight, which was 11 years in the making, saw the TU-2 flying longer than 14 hours and traveling over 6,000 NM ...

Over three days of sometimes contentious hearings this week, the National Transportation Safety Board interrogated Federal ...

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