First Flight on June 6, 1966, this Twin Otter (CF-SJB at the time) was involved in certification testing and also company demonstrations. It was sold to Pan Arctic Oil in June 1968 and registered CF-PAT. Kenn Borek bought the aircraft in May 1978 and frequently leased it out. Pictured getting put on floats for Harbour Air, the airline leased the aircraft for the summers of 1986 - 87 and 1990 - 97. It was withdrawn after return to Kenn Borek in September 1997 to be used as a source of parts. C-FPAT was donated to the Aero Space Museum of Calgary (now the Hangar Flight Museum) in 2002.