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Accident
Last updated: 17 October 2017
Estado:Final
Fecha:domingo 5 junio 1966
Hora:15:12 UTC
Tipo:Silhouette image of generic H25A model; specific model in this crash may look slightly different
de Havilland DH-125-1
Operador:Air Affaires
Registración: F-BKMF
Numéro de série: 25007
Año de Construcción: 1964
Horas Totales de la Célula:798
Motores: 2 Bristol Siddeley Viper 520
Tripulación:Fatalidades: 2 / Ocupantes: 2
Pasajeros:Fatalidades: 0 / Ocupantes: 0
Total:Fatalidades: 2 / Ocupantes: 2
Daños en la Aeronave: Anulado
Consecuencias: Written off (damaged beyond repair)
Ubicación:1,5 km (0.9 milles) SW de la costa de Nice-Côte d'Azur Airport (NCE) (   Francia)
Fase: Maniobras (MNV)
Naturaleza:Demostración
Aeropuerto de Salida:Cannes-Mandelieu Airport (CEQ/LFMD), Francia
Aeropuerto de Llegada:Nice-Côte d'Azur Airport (NCE/LFMN), Francia
Descripción:
A de Havilland DH-125-1 corporate jet, registration F-BKMF, was destroyed when it struck the sea near Nice-Côte d'Azur Airport (NCE), France. Both pilots were killed in the accident. The airplane departed Cannes (CEQ) at 14:45 UTC and headed for Nice. The airplane would make a three fly past manoeuvres at the local Nice air show. The first fly past was performed at low height over the runway, heading 050. The crew made a right hand turn for another low pass in the opposite direction. The airplane made a right hand climbing turn to an altitude of 2000 feet. During this manoeuvre the airplane stalled and crashed in flames.

Probable Cause:

PROBABLE CAUSE: "The stresses applied to the airframe of F-BKMF during the manoeuvre carried out in order to return to the Nice runway, exceeded the design limit loads of the wing unit. A rupture was then caused to the wing unit which resulted in the leakage of a large quantity of fuel from the upper surface near the wing root. The aircraft stalled under the high load factor and the pilot was unable to regain control because of the small height margin and the damage to the aircraft structure. In spite of the considerable stick forces which have to be applied in a normally trimmed aircraft in order to carry out such a manoeuvre, the latter may have been attempted by the pilot, who was experienced, skillful and cautious, in view of the following circumstances: "tight" manoeuvre at low altitude in poor visibility; air display atmosphere (type of flying pre-supposing special training different from the training normally required for a chief pilot of the Air Affaires company); possible anxiety to avoid crossing the flight paths of several aircraft in the vicinity during the display."

Accident investigation:
cover
Investigating agency: BEA
Status: Investigation completed
Duration: 1 year and 8 months
Download report: Final report


Fotos

photo of de Havilland DH-125-1 F-BKMF
photo of de Havilland DH-125-1 F-BKMF
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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 Cannes-Mandelieu Airport to Nice-Côte d'Azur Airport as the crow flies is 25 km (16 miles).
Accident location: Approximate; accuracy within a few kilometers.

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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