The deadly midair collision between a US Army helicopter and a commercial passenger jet that killed 67 people in January may have been caused by faulty altitude readings aboard the military aircraft.

The goggles also limited the pilots' peripheral vision as they flew near Ronald Reagan Washington National Airport.

A deadly collision occurred near Reagan National Airport. A US Army Black Hawk helicopter and a passenger jet crashed. All 67 ...

Federal investigators will release their findings early next year about the cause of the midair collision, which killed 67 ...

The hearing opened Wednesday with a video animation showing where the helicopter and airliner were leading up to the collision. It showed how the helicopter flew above the 200 feet (61 meters) ...

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 ...

Friday was the final day of the National Transportation Safety Board's (NTSB) three-day hearing on the deadly plane crash at ...