Accident Douglas C-47 (DC-3) HC-AUC, Thursday 2 May 1974
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Date:Thursday 2 May 1974
Type:Silhouette image of generic DC3 model; specific model in this crash may look slightly different    
Douglas C-47 (DC-3)
Owner/operator:Aerotaxis Ecuatorianos SA - ATESA
Registration: HC-AUC
Fatalities:Fatalities: 20 / Occupants: 25
Other fatalities:0
Aircraft damage: Destroyed, written off
Location:7 km S of Banos -   Ecuador
Phase: En route
Nature:Passenger - Scheduled
Departure airport:Pastaza Airport (PTZ/SESM)
Destination airport:Ambato-Chachoan Airport (ATF/SEAM)
The aircraft departed Pastaza at 19:13 and climbed to an altitude of FL115. The crew continued over the Banos canyon at FL115, the minimum safety altitude being FL125. The left wing of the aircraft struck the side of the Tungurahua Volcano, shrouded by a low layer of stratus clouds, and separated. The aircraft crashed out of control and was found the following day at 11200 feet.

PROBABLE CAUSE: Failure to climb to the minimum safety altitude; failure to maintain a 275deg heading from Rio Negro to Banos; overconfidence of the pilot-in-command; possible distraction of the flight crew due to the presence of a tourist guide in the cockpit.



  • 33rd worst accident in 1974
  • 247th worst accident of this aircraft type
  • 230th worst accident of this aircraft type at the time



photo (c) Radio Limón; Banos; 06 September 2020

Revision history:


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