1959 with Curtiss C-46 and Douglas DC-4 prop aircraft to a number of Canadian destinations located north of Edmonton including Fort McMurray, Fort Smith, Fort Resolution, Fort Vermilion, Hay River, Inuvik, Norman Wells, Peace River, Uranium City, and Yellowknife. By 1964, Pacific Western had expanded its domestic service from the airport with the addition of regional flights to Cambridge Bay, Coppermine, Dawson Creek, Fort Simpson and Wrigley as well as to the Resolute Bay Airport in the Arctic which is the northernmost destination in Canada served by scheduled airline flights. By 1968, Pacific Western had introduced Convair 640 turboprop aircraft (which the airline called the "Javelin Jet-Prop") on many of its flights from the airport and had also introduced its "Chieftain Airbus" shuttle service linking Edmonton and Calgary operated with Douglas DC-6 propliners with six round trip nonstop flights a day between the two cities. According to the June 24, 1968 Pacific Western system timetable, Douglas DC-6 and DC-6B passenger aircraft as well as all-cargo DC-4 aircraft were also being operated by the airline to destinations located north of Edmonton. The jet age arrived at the airport in 1969 when Pacific Western introduced Boeing 737-200 jetliners with nonstop flights to Calgary, Fort Smith and Hay River with direct, no change of plane 737 jet service to Vancouver, Yellowknife, Kamloops, Kelowna, Cranbrook, Penticton, Inuvik and Norman Wells. 1970s and 1980s Several types of jet passenger aircraft were operated into ECCA, notably the Boeing 737-200. As noted above, these 737 flights were initially operated by Pacific Western Airlines followed by its successor Canadian Airlines (formerly CP Air) from the initial purchase of these aircraft in the late 1960s up until the merger of Pacific Western with Canadian, with the latter continuing to operate 737 flights into the airport. Pacific Western flew its "Chieftain Airbus" shuttle service between the airport and Calgary (YYC) for many years with the 737 and in 1976 was operating up to fourteen Boeing 737-200 departures a day nonstop from ECCA to YYC in addition to operating direct 737 jet flights into the airport from Castlegar, BC, Cranbrook, BC, Dawson Creek, BC, Fort Chipewyan, AB, High Level, AB, Kamloops, BC, Kelowna, BC, Peace River, AB, Penticton, BC, Prince George, BC, Uranium City, SK and Vancouver, BC. The runway lengths at ECCA mandated the absolute maximum performance characteristics of the Boeing 737-200 jetliner due to its weight; however, the extreme