CF-STX flew in Iran (ex-EP-AGA) and Iceland (TF-LOA) before sold to Jack Anderson of North Coast Air Service. First Twin Pioneer in Canada arrived from Prestwick, Scotland on Feb 28, 1966 after overhaul. One of its first jobs was hauling fuel for Okanagan Helicopters from CYPR to the Stikine River in June 1966. Sold to John Rolls of Territorial Airways, Ross River, YT in Oct-Sep 1973. On May 17, 1974 was hauling helicopter fuel to Wind River Strip, 110 m NW of Mayo when hit a soft spot on landing and nosed down, damaging the fuselage as seen in this photo. Ferried to Ross River and retired at Terr Air heliport in town.

This aircraft was operated by the Royal Aircraft Establishment and was named Chalkie. It was scrapped in 1992