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Last updated: 14 December 2018
Status:Schlussbericht
Datum:Sonntag 13 August 1939
Zeit:16:35
Flugzeugtyp:Sikorsky S-43B
Fluggesellschaft:Pan American Airways (Pan Am)
Kennzeichen: NC16933
Werknummer: 4324
Baujahr: 1936
Betriebsstunden:3650
Triebwerk: 2 Pratt & Whitney R-1690-S1EG Hornet
Besatzung:Todesopfer: 4 / Insassen: 4
Fluggäste:Todesopfer: 10 / Insassen: 12
Gesamt:Todesopfer: 14 / Insassen: 16
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:ca 1 km N off Rio de Janeiro-Santos Dumont Airport, RJ (SDU) (   Brasilien)
Flugphase: Annäherung (APR)
Betriebsart:Internationaler Linienflug
Flug von:Vitória-Goiabeiras Airport, ES (VIX/SBVT), Brasilien
Flug nach:Rio de Janeiro-Santos Dumont Airport, RJ (SDU/SBRJ), Brasilien
Unfallbericht:
The Sikorsky S-43B flying boat was operating on an international service from Miami, FL to Rio de Janeiro, Brazil with en route stops at Antilla, Port-au-Prince, San Pedro de Macorís, San Juan, Port of Spain, Georgetown, Paramaribo, Cayenne, Bélem, São Luís, Fortaleza, Natal, João Pessoa, Recife, Maceió, Aracaju, Salvador, Caravelas and Vitória.
The flight was circling Rio de Janeiro for a normal approach when the left engine lost power. The airplane yawed to the left and started a descending turn. The turn became sharper and the airplane descended at a steeper angle until it struck a caisson at Ilha das Cobras, in Guanabara Bay and crashed.

Probable Cause:

PROBABLE CAUSE: "Loss of power from the left engine during landing approach necessitating an attempted landing under extremely hazardous conditions."



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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 Vitória-Goiabeiras Airport, ES to Rio de Janeiro-Santos Dumont Airport, RJ as the crow flies is 417 km (261 miles).
Accident location: Exact; deduced from official accident report.

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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Sikorsky S.43

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