Accident
Last updated: 29 November 2014
Status:
Datum:zaterdag 24 augustus 1963
Tijd:23:55
Type:Silhouette image of generic F27 model; specific model in this crash may look slightly different
Fairchild F-27
Luchtvaartmaatschappij:West Coast Airlines
Registratie: N2707
Constructienummer: 32
Bouwjaar: 1959
Bemanning:slachtoffers: 0 / inzittenden: 3
Passagiers:slachtoffers: 0 / inzittenden: 13
Totaal:slachtoffers: 0 / inzittenden: 16
Schade: Afgeschreven
Gevolgen: Written off (damaged beyond repair)
Plaats:2,4 km (1.5 mijl) E of Calgary-McCall Field, AB (YYC) (   Canada)
Fase: Nadering (APR)
Soort vlucht:Internationale lijnvlucht
Vliegveld van vertrek:Spokane International Airport, WA (GEG/KGEG), Verenigde Staten
Vliegveld van aankomst:Calgary-McCall Field, AB (YYC/CYYC), Canada
Vluchtnummer: 794
Beschrijving:
West Coast Airlines Flight 794 left Spokane, WA at 2238 hours MST on a scheduled international flight to Calgary. The route flown was Spokane direct to Cranbrook. British Columbia. thence via Blue 3 to Calgary. At 2333 hours Flight 794 reported to Calgary Terminal Control at 17 000 feet. The flight was then cleared to the Calgary VOR station at 13 000 feet and requested to report by the Dyson Inter section. This was acknowledged and on request the latest Calgary weather was provided to the flight together with the altimeter setting (30. 07 in Hg) and the runway to be used (28). Flight 794 reported by Dyson at 2338 and was cleared to maintain 10 000 feet. They were offered and accepted radar vectors to the localizer serving runway 28 and were then cleared for an approach. The flight was given a vector of 040 and advised it was south of the VOR station. At 2346 hours the flight was advised it was 14 miles south of the localizer. Following successive vectors
of 350deg and 310deg the flight was advised at 2351 hours it was 1-1/2 miles south of the localizer and clearance was issued for a straight-in approach on interception of the localizer. Thirty-three seconds later the flight was informed it was 2 miles from the outer marker intersection and then at 2352 hours that it was over the outer marker intersection at which time it was requested to call the control tower. The flight called the control tower and reported over the intersection following which it was cleared to land on runway 28 and provided with wind information. An acknowledgement of this at 23:52 hours was the last transmission from the aircraft. It was determined subsequently that the aircraft struck the ground about 8000 feet before the threshold of runway 28 and 420 feet to the right of the centreline of that runway. It slid for a distance of about 800 feet before coming to rest. At the time of impact the aircraft was approximately in a 5deg nose-down attitude.


PROBABLE CAUSE: "The pilot in command failed to maintain the approved minimum altitude on approach. The failure of the co-pilot to monitor the final stages of the approach is considered to be a contributing factor."

Bronnen:
» ICAO Accident Digest No.15 - Volume I, Circular 78-AN/66 (137-141)


Foto's

photo of Fairchild F-27 N2707
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Kaart
Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Spokane International Airport, WA en Calgary-McCall Field, AB bedraagt 461 km (288 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Networkĺs opinion as to the cause of the accident. It is preliminary and is based on the facts as they are known at this time.
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