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Last updated: 14 August 2020
Estado:
Fecha:martes 18 junio 1957
Hora:10:20
Tipo:Silhouette image of generic DC3 model; specific model in this crash may look slightly different
Douglas C-47B-1-DL (DC-3)
Operador:Swissair
Registración: HB-IRK
Numéro de série: 20737
Año de Construcción: 1944
Motores: 2 Pratt & Whitney R-1830-90C
Tripulación:Fatalidades: 9 / Ocupantes: 9
Pasajeros:Fatalidades: 0 / Ocupantes: 0
Total:Fatalidades: 9 / Ocupantes: 9
Daños en la Aeronave: Anulado
Consecuencias: Written off (damaged beyond repair)
Ubicación:de la costa de Romanshorn [Bodensee] (   Suiza)
Fase: Maniobras (MNV)
Naturaleza:Entrenamiento
Aeropuerto de Salida:Zürich-Kloten Airport (ZRH/LSZH), Suiza
Aeropuerto de Llegada:Zürich-Kloten Airport (ZRH/LSZH), Suiza
Descripción:
The DC-3 departed Zurich at 08:57 on a training flight. Purpose of the flight was to train airline pilot candidates (VFR flight exercises in cutting of one engine and feathering and unfeathering the prop in cruise) and to perform some Swissair planning department tests for a revision of the DC-3 performance table.
Eyewitnesses saw the aircraft flying in various directions at 1000-3000 m in the Lake Constance/Bodensee area. At 10:20 when flying between Romanshorn and Arbon, the aircraft was seen flying in level flight when it suddenly stalled and went into a spin. The aircraft struck the water in a very steep dive.

Probable Cause:

PROBABLE CAUSE: "The stalling of the aircraft following a loss of airspeed, whereupon it unintentionally went into a spin. In view of insufficient altitude, it was not possible to level off the aircraft."

Fuentes:
» ICAO Accident Digest, Circular 59-AN/54 (16-17)


Fotos

photo of Douglas-C-47B-1-DL-HB-IRK
accident date: 18-06-1957
type: Douglas C-47B-1-DL (DC-3)
registration: HB-IRK
 

Map

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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