Accident description
Last updated: 31 July 2014
Status:
Date:Sunday 4 September 1977
Type:Silhouette image of generic VISC model; specific model in this crash may look slightly different
Vickers 764D Viscount
Operator:SAN Ecuador (Servicios Aéreos Nacionales)
Registration: HC-BCL
C/n / msn: 185
First flight: 1956
Crew:Fatalities: 4 / Occupants: 4
Passengers:Fatalities: 29 / Occupants: 29
Total:Fatalities: 33 / Occupants: 33
Airplane damage: Damaged beyond repair
Location:40 km (25 mls) N of Cuenca (   Ecuador) show on map
Phase: Approach (APR)
Nature:Domestic Scheduled Passenger
Departure airport:Guayaquil-Simon Bolivar Airport (GYE/SEGU), Ecuador
Destination airport:Cuenca Airport (CUE/SECU), Ecuador
Narrative:
The aircraft, on a VFR flight plan, struck a mountain in the Cajas Mountains. Weather was IMC.

Classification:
Controlled Flight Into Terrain (CFIT) - Mountain

Sources:


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Map
This map shows the airport of departure and the intended destination of the flight. The line between the airports does not display the exact flight path.
Distance from Guayaquil-Simon Bolivar Airport to Cuenca Airport as the crow flies is 128 km (80 miles).

This information is not presented as the Flight Safety Foundation or the Aviation Safety Network’s 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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Vickers Viscount

  • 110th loss
  • 445 built
  • 16th worst accident (at the time)
  • 22nd worst accident (currently)
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 Ecuador
  • 5th worst accident (at the time)
  • 10th worst accident (currently)
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