Radio traffic shows the air traffic controller did confirm with the helicopter that it had the airplane in sight two different times.

Army helicopter. There were 64 people on American Airlines Flight 5342 from Wichita, Kansas to DCA — including 60 passengers and four crew members. The Blackhawk Army helicopter had three soldiers on ...

After the deadly collision between a passenger plane and a U.S. Army helicopter in Washington, D.C., politicians and ...