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Accident description
Last updated: 5 October 2015
Date:Saturday 24 May 1952
Type:Silhouette image of generic C46 model; specific model in this crash may look slightly different
Curtiss C-46A-60-CK Commando
Operator:Loide Aéreo Nacional
Registration: PP-LDE
C/n / msn: 446
First flight:
Engines: 2 Pratt & Whitney R-2800-51
Crew:Fatalities: 6 / Occupants: 6
Passengers:Fatalities: 0 / Occupants: 0
Total:Fatalities: 6 / Occupants: 6
Airplane damage: Damaged beyond repair
Location:off Manaus, AM (   Brazil)
Phase: Initial climb (ICL)
Departure airport:Manaus/Ponta Pelada Airport, AM (PLL/SBMN), Brazil
Destination airport:Rio de Janeiro-Santos Dumont Airport, RJ (SDU/SBRJ), Brazil
The Curtiss stalled when trying to return to the airport following an engine failure. The aircraft crashed into the Rio Negro.

PROBABLE CAUSE: "1) Failure of maintenance staff to remove the flying control locks. 2) Failure of one engine for reason undetermined."

Loss of control

» Folha da Manhã 25 May 1952, p.4


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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 Manaus/Ponta Pelada Airport, AM to Rio de Janeiro-Santos Dumont Airport, RJ as the crow flies is 2835 km (1772 miles).

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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