| Date: | Sunday 4 September 1977 |
| Time: | |
| Type: |  Vickers 764D Viscount |
| Owner/operator: | SAN Ecuador - Servicios Aéreos Nacionales |
| Registration: | HC-BCL |
| MSN: | 185 |
| Year of manufacture: | 1956 |
| Engine model: | Rolls-Royce Dart 510 |
| Fatalities: | Fatalities: 33 / Occupants: 33 |
| Other fatalities: | 0 |
| Aircraft damage: | Destroyed, written off |
| Category: | Accident |
| Location: | 40 km N of Cuenca -
 Ecuador
|
| Phase: | Approach |
| Nature: | Passenger - Scheduled |
| Departure airport: | Guayaquil-Simon Bolivar Airport (GYE/SEGU) |
| Cuenca Airport (CUE/SECU) |
A Vickers Viscount of SAN Ecuador was destroyed when it impacted a mountain in the Cajas Mountain Range. All 33 on board were killed.
The aircraft departed Guayaquil, Ecuador, at 13:40 GMT a VFR flight plan, bound for Cuenca. Reportedly instrument weather conditions existed en route.
Sources:
El Tiempo - 5 Sep 1977
Location
Revision history:
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