Last updated: 13 October 2019
| Status: | Final |
| Date: | Thursday 12 August 1965 |
| Time: | ca 07:00 |
| Type: |  Curtiss C-46A-50-CU Commando |
| Operator: | Paraense Transportes Aéreos |
| Registration: | PP-BTH |
| C/n / msn: | 30571 |
| First flight: | 1944 |
| Total airframe hrs: | 27761 |
| Engines: | 2 Pratt & Whitney R-2800-51 |
| Crew: | Fatalities: 4 / Occupants: 4 |
| Passengers: | Fatalities: 9 / Occupants: 9 |
| Total: | Fatalities: 13 / Occupants: 13 |
| Aircraft damage: | Destroyed |
| Aircraft fate: | Written off (damaged beyond repair) |
| Location: | near Barra do Bugres, MT ( Brazil)
|
| Phase: | En route (ENR) |
| Nature: | Domestic Scheduled Passenger |
| Departure airport: | Cuiabá-Marechal Rondon International Airport, MT (CGB/SBCY), Brazil |
| Porto Velho Airport, RO (PVH/SBPV), Brazil |
The aircraft departed Cuiabá-Marechal Rondon Airport, at 06:21, for Porto Velho Airport with an IFR flight plan. At the outskirts of Barra do Bugres, about 30 minutes after takeoff, the aircraft turned back towards Cuiabá with its left engine on fire. While over Buracao, its left wing and engine broke away from the fuselage and it crashed to the ground out of control.
Probable Cause:
PROBABLE CAUSE: "The cause of the accident was a structural failure. Bolts of the No. 8 cylinder, left engine, fractured.
Contributing factors were defective fire detection and fire extinguishing systems."
Classification:
Wing failure
Loss of control
Sources:
» ICAO Circular 88-AN/74 Volume I (171-174)Photos
accident date: 12-08-1965
type: Curtiss C-46A Commando
registration: PP-BTH
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 Cuiabá-Marechal Rondon International Airport, MT to Porto Velho Airport, RO as the crow flies is 1141 km (713 miles).
Accident location: Approximate; accuracy within a few kilometers.
Distance from Cuiabá-Marechal Rondon International Airport, MT to Porto Velho Airport, RO as the crow flies is 1141 km (713 miles).
Accident location: Approximate; accuracy within a few kilometers.
languages: 
Brazil
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Curtiss C-46
- 3341 built
- 912th loss
- 205th fatal accident
- 44th worst accident (at the time)
- 50th worst accident (currently)
Brazil- 47th worst accident (at the time)
- 81st worst accident (currently)