ASN Aircraft accident Douglas C-47A-80-DL (DC-3) HC-ALC Pastaza-Shell Mera Airport (PTZ)
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Status:Information verified through authorities or other official sources.
Date:Tuesday 2 March 1971
Type:Silhouette image of generic DC3 model; specific model in this crash may look slightly different
Douglas C-47A-80-DL (DC-3)
Operator:Transportes Aéreos Orientales - TAO
Registration: HC-ALC
MSN: 19871
First flight: 1944
Engines: 2 Pratt & Whitney R-1830-92
Crew:Fatalities: 0 / Occupants: 3
Passengers:Fatalities: 0 / Occupants: 21
Total:Fatalities: 0 / Occupants: 24
Aircraft damage: Substantial
Aircraft fate: Written off (damaged beyond repair)
Location:Pastaza-Shell Mera Airport (PTZ) (   Ecuador)
Phase: Takeoff (TOF)
Nature:Domestic Scheduled Passenger
Departure airport:Pastaza-Shell Mera Airport (PTZ/SESM), Ecuador
Destination airport:?
After completing an engine run-up, take-off was commenced on runway 12. After a run of 600 m and reaching a speed of 68 mph the left engine vibrated violently and the take-off was aborted. The aircraft overran the end of the runway, passed through some signal panels and the pilot then groundlooped the aircraft. The right undercarriage failed.

it was considered that the aircraft was overloaded by 1480 lbs.

Probable Cause:

It was concluded that the excess weight and the aircraft speed at which the pilot decided to abandon take-off due to failure of the left engine were the main factors why the aircraft could not be stopped within the length of the runway; these factors were aggravated by the fact that the runway did not have a stopway for use during similar emergencies.

Rejected takeoff

Runway excursion (overrun)

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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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