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Accident description
Last updated: 24 April 2018
Date:Monday 6 January 1975
Type:Silhouette image of generic DHC6 model; specific model in this crash may look slightly different
de Havilland Canada DHC-6 Twin Otter 200
Operator:Ejército Argentino
Registration: AE-259
C/n / msn: 140
First flight: 1968
Engines: 2 Pratt & Whitney Canada PT6A-20
Crew:Fatalities: 3 / Occupants: 3
Passengers:Fatalities: 9 / Occupants: 9
Total:Fatalities: 12 / Occupants: 12
Airplane damage: Damaged beyond repair
Location:Sierra del Aconquija, SA (   Argentina)
Phase: En route (ENR)
Departure airport:Tucumán-Benj Matienzo Airport, TU (TUC/SANT), Argentina
Destination airport:?
The Twin Otter was on a reconnaissance flight when it flew into the side of the Nuñorco Chico at a height of 2000 m in poor weather conditions.

Controlled Flight Into Terrain (CFIT) - Mountain

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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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