A third UFO Sighting was later spotted over the Canal Zone flying in an erratic to triangular pattern. The altitude of the UFO Sighting was uncertain and its speed varied from hovering to 1,000 miles an hour as United States Air Force jets approached. A Pan Am Airline pilot reported seeing a large UFO in the vicinity of Panama a few hours later moving in an easterly direction. Nearly 60 years later the 1958 UFO sightings remain unexplained. The UFO Sightings are thought to have been solid rather than meteorological phenomena as radar would not lock on anything that was not solid. source The Surreal UFO Sighting on Radar 1958 Panama credit F.S.