The Army goggles would have made it difficult to see the plane's colored lights, which might have helped the Black Hawk determine the plane's direction. The goggles also limited the pilots' peripheral vision as they flew near Ronald Reagan Washington National Airport.

The NTSB revealed that the Black Hawk helicopter may not have known its true altitude at a hearing. Mom Worried If New Rescue Dog Had ‘Bonded’ With Baby, Then She Caught Them Forensics expert analysis of Jeffrey Epstein jail video contradicts government's claims We Asked Young Men Who Voted For Trump to Grade Him.

FAA official Nick Fuller said at a National Transportation Safety Board investigative hearing that an agency work group is planning changes on a key helicopter route near Reagan after imposing permanent restrictions on non-essential helicopter operations in March and further restricting where they could operate in June.

Investigators have found that a helicopter involved in a deadly crash with a passenger plane over Washington was flying above its height limit

An investigative hearing into a deadly collision of a US Army helicopter and a plane that killed 67 revealed a discrepancy in the chopper's altitude displays.