West Coast Airlines Flight 794 Crash Near Calgary (N2707)

Flight Details and Approach Sequence West Coast Airlines Flight 794 departed Spokane, Washington, at 22:38 local time on a scheduled international flight to Calgary. The planned route was direct from Spokane to Cranbrook, British Columbia, and then via airway Blue 3 to Calgary. At 23:33, the flight reported to Calgary Terminal Control at 17,000 feet. The crew was cleared to the Calgary VOR station at 13,000 feet and requested to report by the Dyson Inter section. Upon request, the crew received the latest Calgary weather, an altimeter setting of 30.07 in Hg, and information that runway 28 would be used. The flight reported by Dyson at 23:38 and was cleared to maintain 10,000 feet. Radar vectors to the localizer for runway 28 were offered and accepted, followed by an approach clearance. The crew was given a heading of 040 and advised they were south of the VOR station. At 23:46, the flight was advised it was 14 miles south of the localizer. After successive vectors of 350° and 310°, the flight was advised at 23:51 that it was 1.5 miles south of the localizer, and a clearance for a straight-in approach was issued upon interception of the localizer. Thirty-three seconds later, the flight was informed it was 2 miles from the outer marker intersection. At 23:52, the flight was advised it was over the outer marker intersection and requested to call the control tower. The crew called the tower, reported over the intersection, and was cleared to land on runway 28 with wind information provided. The crew's acknowledgement at 23:52 was the last transmission from the aircraft.