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Accident
Last updated: 19 October 2017
Statuts:Enquête Officielle
Date:lundi 3 mars 1952
Heure:08:10
Type/Sous-type:SNCASE SE.161/P7 Languedoc
Compagnie:Air France
Immatriculation: F-BCUM
Numéro de série: 43
Année de Fabrication: 1946
Moteurs: 4 Pratt & Whitney R-1830
Equipage:victimes: 4 / à bord: 4
Passagers:victimes: 34 / à bord: 34
Total:victimes: 38 / à bord: 38
Dégats de l'appareil: Perte Totale
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:ca 1 km N of Nice-le Var Airport (NCE) (   France)
Phase de vol: En montée initiale (ICL)
Nature:Transport de Passagers Nat.
Aéroport de départ:Nice-le Var Airport (NCE/LFMN), France
Aéroport de destination:Paris-Le Bourget Airport (LBG/LFPB), France
Détails:
Shortly after takeoff the aircraft was seen to turn to the left. The bank to the left increased progressively and shortly after, the aircraft turned on its back and crashed.

Probable Cause:

PROBABLE CAUSE: "It was decided that the unusual path of the aircraft immediately following the take-off, was due to the blocking of the ailerons to the left at an angle of approximately 10deg. It was determined on the basis of analysis that the probable cause of the blocking was the unclamping of a link cheek of the upper rear chain of the co-pilot's control column, as a result of which the chain slipped off the sprocket and jammed against the internal boss of the pin which locks the ailerons in the neutral position. More broadly, the investigation brought to light the difficulty of setting and inspecting the chains inside the dual control columns. This difficulty is directly attributable to the design, and may cause certain chains which have not been properly studied in relation to the type of service for which they are intended, to become unclamped by torsion during maintenance and setting work."



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Plan
Ce plan montre l'aéroport de départ ainsi que la supposée destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre Nice-le Var Airport et Paris-Le Bourget Airport est de 690 km (431 miles).
Accident location: Approximate; accuracy within a few kilometers.

Les informations ci-dessus ne représentent pas l'opinion de la 'Flight Safety Foundation' ou de 'Aviation Safety Network' sur les causes de l'accident. Ces informations prélimimaires sont basées sur les faits tel qu'ils sont connus à ce jour.
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