Aviation encounter — 50 km from Cressy, Tasmania — 1960-11-15

A USAF RB-57 pilot and navigator reported an aerial observation at or near 50 km from Cressy, Tasmania on 15 November 1960. The account reports that a balloon-shaped object (diameter: 23 meters) flew at high speed at 36.000 ft. Source: Dominique F. Weinstein, Unidentified Aerial Phenomena: Eighty Years of Pilot Sightings (NARCAP TR-04, February2001), PDF page37, table row24.