Famed Nevada aviator John Lear, known for his world records and his UFO activism, has died at 79..
Lear passed away in his sleep Tuesday night at his Las Vegas home, according to his daughter Allison.
Lear is the son of Bill Lear, who developed the Lear Jet.
He is also famous for his appearances on Art Bell and George Noory, along with countless on the road occasions talking about UFOs..
John Lear carved his own path, setting multiple records as an aviator. During the Vietnam era, he flew cargo planes for the CIA.
In the 1980s, Lear became an outspoken critic of an alleged government cover-up of UFOs..
His family posted this on his Facebook page shortly after his death: