Accident
Last updated: 23 November 2014
Status:Schlussbericht
Datum:Freitag 17 Oktober 1958
Zeit:12:10
Flugzeugtyp:Vickers 610 Viking 1B
Fluggesellschaft:Deutsche Flugdienst
Kennzeichen: D-BELA
Werknummer: 250
Baujahr: 1947
Triebwerk: 2 Bristol Hercules 634
Besatzung:Todesopfer: 0 / Insassen: 3
Fluggäste:Todesopfer: 0 / Insassen: 0
Gesamt:Todesopfer: 0 / Insassen: 3
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:Zele (   Belgien) show on map
Flugphase: Während des Fluges (ENR)
Betriebsart:Frachtflug
Flug von:London-Heathrow Airport (LHR/EGLL), Großbritannien
Flug nach:Düsseldorf Airport (DUS/EDDL), Deutschland
Unfallbericht:
Vickers Viking D-BELA departed London at 10:01 GMT on a flight to Düsseldorf, Germany.
The flight proceeded normally until halfway roughly between Dover and Wulpen. At this time, at an altitude of 7000 feet, the crew perceived some hiccups in the right engine. The boost fluctuated and the RPM varied +/- 50 revolutions/min.
The captain assumed that it was caused by icing, activated carburettor heaters and gave some brief shots of alcohol. After these actions the situation seemingly became normal.
Just before reaching Wulpen, the right hand engine boost fell to 25". The oil pressure fell to 60 - 70 psi (normal pressure is 80 psi). The cylinder temperature was normal. The captain decided to shut down the engine and feather the prop.
The crew contacted Brussels and were cleared to descend and divert to Brussels Airport. The pilot manoeuvred around some rain showers during the descent towards Brussels. At 11:55 local time the flight reported at 1500 feet, and almost at the Mackel beacon. The flight crew were not able to maintain altitude so the captain decided to restart the nr.2 engine. He instructed the copilot to carry out the restart. The copilot failed to use a checklist while performing the actions to restart the engine.
A few minutes later the crew noticed that the right engine was on fire. Three fire extinguishing bottles were fired, but the fire was not contained. The captain then carried out an emergency descent. The airplane came down in a field next to the village of Kamershoek. It burst into flames after the three crew members exited the plane.


CAUSES OF THE ACCIDENT (translated from original French report):
1.- The incident that led the captain to stop the right engine and feather the corresponding propeller has not been clarified.
2.- The captain could not maintain altitude on one engine in flight, while the AFM indicated that it was possible, especially as the aircraft was below its maximum weight. The fact of operating with the remaining engine at a boost of 33" and later 44" was allowed, while maintaining temperature, power was reduced below the required value.
3.- The restart of the engine without complying with the formal procedure sparked a fire that required the emergency landing.

Informationsquelle:
» Rapport d'enquete relative a l'accident survenu a l'avion D-BELA le 17 octobre 1958 a Zele / Ministère de Communications


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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 London-Heathrow Airport to Düsseldorf Airport as the crow flies is 498 km (311 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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