218_N604MA_LARRY_POTOSKI_MEMPHIS_23-MAY-1977_MJO_1024 Published on June 18, 2019 in 30 December 1977Full resolution (1024 × 656) Next → Air Illinois de Havilland Canada DHC-6 Twin Otter, similar to the turboprop airliner flown by Jones and Ripplemeyer. (Twin Otter World)