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Accident
Last updated: 17 October 2017
Status:Schlussbericht
Datum:Mittwoch 6 November 1946
Zeit:08:45
Flugzeugtyp:Silhouette image of generic DC3 model; specific model in this crash may look slightly different
Douglas C-47A-25-DK (DC-3)
Fluggesellschaft:KLM Royal Dutch Airlines
Kennzeichen: PH-TBO
Werknummer: 13638
Baujahr: 1944
Betriebsstunden:1792
Triebwerk: 2 Pratt & Whitney R-1830-S1C3-G
Besatzung:Todesopfer: 0 / Insassen: 5
Fluggäste:Todesopfer: 0 / Insassen: 15
Gesamt:Todesopfer: 0 / Insassen: 20
Sachschaden: Zerstört
Konsequenzen: Written off (damaged beyond repair)
Unfallort:nahe Shere (   Großbritannien)
Flugphase: Annäherung (APR)
Betriebsart:Internationaler Linienflug
Flug von:Amsterdam-Schiphol International Airport (AMS/EHAM), Niederlande
Flug nach:London-Croydon Airport (-/-), Großbritannien
Unfallbericht:
A Douglas C-47A passenger plane, registered PH-TBO, was damaged beyond repair in an accident near Shere, UK. All five crew members and fifteen passengers survived.
The scheduled KLM service had departed Amsterdam-Schiphol International Airport (AMS), the Netherlands on a flight to London-Croydon Airport. It entered the London Control Zone when QBI conditions (compulsory IFR conditions) were in force. When the pilot estimated that he flew over the Croydon MF beacon, he had actually passed it two or three minutes earlier. He continued to fly on a westerly course for three or four minutes until receiving instructions that he was next to land, and that the landing direction was 120 degrees M. The aircraft then began to descend again and after receiving several QDM's the pilot turned on to the course for Croydon. The pilot levelled out at an indicated altitude of 1,200 feet and the undercarriage was lowered. Almost immediately after, whilst
still flying in cloud, the aircraft struck the tops of trees and crashed. The pilot had set the altimeter to the sea level pressure instead of airfield pressure. Consequently the aircraft's height would be about 230 feet lower than that indicated by the altimeter.

Probable Cause:

PROBABLE CAUSE: "Flying into high ground in conditions of low cloud and poor visibility. This must be attributed to errors on the part of the pilot who, preparatory to landing at Croydon Airport in QBI conditions. 1) Failed to navigate his aircraft with sufficient degree of care to avoid high ground when descending through cloud. 2) During the descent misinterpreted the height of the aircraft as indicated by his altimeter."

Informationsquelle:
» The Civil Aircraft Registers of the Netherlands / H. Dekker
» WAAS
» Flight International July 17, 1947


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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 Amsterdam-Schiphol International Airport to London-Croydon Airport as the crow flies is 349 km (218 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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