Narrative:
A de Havilland Canada DHC-6 Twin Otter 300 passenger plane, HK-1910, was destroyed in an accident in the Cerro el Plateado mountains, Colombia. All 21 passengers and two crew members were killed.
ACES flight 052 departed Quibdó (UIB), Colombia at 10:10 on a domestic flight to Medellín (EOH). En route the flight encountered adverse weather conditions with fog and intermittent rain. The crew continued VFR flight towards Medellín at 11500 feet altitude until the airplane flew into the side of a mountain.
This same day, Colombia airline AIRES lost an Embraer EMB-110 aircraft, also due to VFR flight into IMC conditions.
PROBABLE CAUSE: Continued VFR flight in adverse weather.
Controlled Flight Into Terrain (CFIT) - Mountain
| Status: | |
| Date: | Wednesday 23 January 1985 |
| Time: | 10:35 |
| Type: |  de Havilland Canada DHC-6 Twin Otter 300 |
| Operator: | ACES - Aerolineas Centrales de Colombia |
| Registration: | HK-1910 |
| MSN: | 497 |
| First flight: | 1976 |
| Engines: | 2 Pratt & Whitney Canada PT6A-27 |
| Crew: | Fatalities: 2 / Occupants: 2 |
| Passengers: | Fatalities: 21 / Occupants: 21 |
| Total: | Fatalities: 23 / Occupants: 23 |
| Aircraft damage: | Destroyed |
| Aircraft fate: | Written off (damaged beyond repair) |
| Location: | Cerro el Plateado ( Colombia)
|
| Crash site elevation: | 3505 m (11499 feet) amsl |
| Phase: | En route (ENR) |
| Nature: | Domestic Scheduled Passenger |
| Departure airport: | Quibdó-El Caraño Airport (UIB/SKUI), Colombia |
| Medellín-Enrique Olaya Herrera Airport (EOH/SKMD), Colombia | |
| Flightnumber: | 052 |
A de Havilland Canada DHC-6 Twin Otter 300 passenger plane, HK-1910, was destroyed in an accident in the Cerro el Plateado mountains, Colombia. All 21 passengers and two crew members were killed.
ACES flight 052 departed Quibdó (UIB), Colombia at 10:10 on a domestic flight to Medellín (EOH). En route the flight encountered adverse weather conditions with fog and intermittent rain. The crew continued VFR flight towards Medellín at 11500 feet altitude until the airplane flew into the side of a mountain.
This same day, Colombia airline AIRES lost an Embraer EMB-110 aircraft, also due to VFR flight into IMC conditions.
Probable Cause:
PROBABLE CAUSE: Continued VFR flight in adverse weather.
Classification:
VFR flight in IMC Controlled Flight Into Terrain (CFIT) - Mountain
Sources:
» El Tiempo 24-1-1985Photos
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 Quibdó-El Caraño Airport to Medellín-Enrique Olaya Herrera Airport as the crow flies is 130 km (81 miles).
Accident location: Exact; deduced from official accident report.
Distance from Quibdó-El Caraño Airport to Medellín-Enrique Olaya Herrera Airport as the crow flies is 130 km (81 miles).
Accident location: Exact; deduced from official accident report.
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.
languages: 
Colombia
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DHC-6 Twin Otter
- 930+ built
- 112th loss
- 75th fatal accident
- 2nd worst accident (at the time)
- 4th worst accident (currently)
Colombia- 29th worst accident (at the time)
- 40th worst accident (currently)
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