Détails:
While the aircraft was cruising at FL190, about three hours after leaving Cardiff-Rhoose Airport, for Palma de Mallorca Airport the captain noticed that no. 2 engine was de-synchronized, as compared with no's 3 and 4, and its rpm were rapidly decreasing. He then heard a "thump", and saw that the jet pipe temperature on no.2 engine was low. At this time, a sudden, and very rapid, increase in no. 2 engine rpm occurred; before propeller feathering action could be completed, the propeller broke away and punctured the fuselage, causing an explosive decompression. There was no fire but fire drill was carried out as a precaution. An emergency landing was made at Barcelona, without further incident. The puncture in the fuselage proved to be a gash about 5 to 6 ft . long and 6 ins. wide in line with the port forward toilet.
It was later established that failure or a tooth in the reduction gear led to disruption or the reduction gear casing, and this in turn led to the shedding of the propeller.
| Statuts: | |
| Date: | samedi 23 mai 1964 |
| Type/Sous-type: |  Vickers 701 Viscount |
| Compagnie: | Cambrian Airways |
| Immatriculation: | G-AMON |
| Numéro de série: | 27 |
| Année de Fabrication: | 1954-01-16 (10 years 4 months) |
| Moteurs: | 4 Rolls-Royce Dart 506 |
| Equipage: | victimes: 0 / à bord: 4 |
| Passagers: | victimes: 0 / à bord: 59 |
| Total: | victimes: 0 / à bord: 63 |
| Dégats de l'appareil: | Substantiels |
| Conséquences: | Repaired |
| Lieu de l'accident: | près de Barcelona ( Espagne)
|
| Phase de vol: | En vol (ENR) |
| Nature: | Transport de Passagers Intern. |
| Aéroport de départ: | Cardiff/Rhoose Airport (CWL/EGFF), Royaume Uni |
| Palma de Mallorca Airport (PMI/LEPA), Espagne |
While the aircraft was cruising at FL190, about three hours after leaving Cardiff-Rhoose Airport, for Palma de Mallorca Airport the captain noticed that no. 2 engine was de-synchronized, as compared with no's 3 and 4, and its rpm were rapidly decreasing. He then heard a "thump", and saw that the jet pipe temperature on no.2 engine was low. At this time, a sudden, and very rapid, increase in no. 2 engine rpm occurred; before propeller feathering action could be completed, the propeller broke away and punctured the fuselage, causing an explosive decompression. There was no fire but fire drill was carried out as a precaution. An emergency landing was made at Barcelona, without further incident. The puncture in the fuselage proved to be a gash about 5 to 6 ft . long and 6 ins. wide in line with the port forward toilet.
It was later established that failure or a tooth in the reduction gear led to disruption or the reduction gear casing, and this in turn led to the shedding of the propeller.
Sources:
» Accidents to Aircraft - A United Kingdom Survey for the year ended 31 st December 1964 / Ministry of AviationPhotos
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 Cardiff/Rhoose Airport et Palma de Mallorca Airport est de 1388 km (868 miles).
La distance entre Cardiff/Rhoose Airport et Palma de Mallorca Airport est de 1388 km (868 miles).
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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