Accident
Last updated: 30 August 2014
Status:
Datum:Dienstag 18 Juni 1957
Zeit:10:20
Flugzeugtyp:Silhouette image of generic DC3 model; specific model in this crash may look slightly different
Douglas C-47B-1-DL (DC-3)
Fluggesellschaft:Swissair
Kennzeichen: HB-IRK
Werknummer: 20737
Baujahr: 1944
Triebwerk: 2 Pratt & Whitney R-1830-90C
Besatzung:Todesopfer: 9 / Insassen: 9
Fluggäste:Todesopfer: 0 / Insassen: 0
Gesamt:Todesopfer: 9 / Insassen: 9
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:vom Land entfernt von Romanshorn [Bodensee] (   Schweiz) show on map
Flugphase: Manövrieren (MNV)
Betriebsart:Ausbildungsflug
Flug von:Zürich-Kloten Airport (ZRH/LSZH), Schweiz
Flug nach:Zürich-Kloten Airport (ZRH/LSZH), Schweiz
Unfallbericht:
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 1000-3000m 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: "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."

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


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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 Zürich-Kloten Airport to Zürich-Kloten Airport as the crow flies is NAN km (NAN 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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