DENVER - The Federal Aviation Administration is investigating a mystery in the sky. A mysterious object flying over Denver nearly caused a mid-air collision Monday evening.
As far as investigators know, the mystery object did not show up on radar Monday.
Investigators believe this object, whatever it is, could pose a serious safety hazard to planes.
Radio transmissions from LiveATC.net confirm a nervous-sounding pilot reported a strange object at 5:17 p.m. Monday.
The pilot is heard telling air traffic control: "A remote controlled aircraft, or what? Something just went by the other way ... About 20 to 30 seconds ago. It was like a large remote-controlled aircraft.