ASN Aircraft accident Curtiss C-46A-50-CU Commando PP-BTH Barra do Bugres, MT
ASN logo
 

Status:Accident investigation report completed and information captured
Date:Thursday 12 August 1965
Time:07:00
Type:Silhouette image of generic C46 model; specific model in this crash may look slightly different
Curtiss C-46A-50-CU Commando
Operator:Paraense Transportes Aéreos
Registration: PP-BTH
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
Destination airport:Porto Velho Airport, RO (PVH/SBPV), Brazil
Narrative:
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."

Accident investigation:

Investigating agency: CENIPA Brazil
Status: Investigation completed
Accident number: final report
Download report: Final report

Classification:
Engine fire
Wing failure
Loss of control

Sources:
» ICAO Circular 88-AN/74 Volume I (171-174)


Photos

photo of Curtiss-C-46A-Commando-PP-BTH
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.

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: languages

Share

Curtiss C-46

  • 3341 built
  • 933rd loss
  • 244th fatal accident
  • 45th worst accident (at the time)
  • 51st worst accident (currently)
» safety profile

 Brazil
  • 47th worst accident (at the time)
  • 81st worst accident (currently)
» safety profile

The Aviation Safety Network is an exclusive service provided by:
Quick Links:

CONNECT WITH US: FSF on social media FSF Facebook FSF Twitter FSF Youtube FSF LinkedIn FSF Instagram

©2024 Flight Safety Foundation

1920 Ballenger Av, 4th Fl.
Alexandria, Virginia 22314
www.FlightSafety.org