Accident
Last updated: 24 April 2014
Statuts:Enquête Officielle
Date:mercredi 20 juin 1956
Heure:01:32
Type/Sous-type:Silhouette image of generic CONI model; specific model in this crash may look slightly different
Lockheed L-1049E-55 Super Constellation
Compagnie:Linea Aeropostal Venezolana - LAV
Immatriculation: YV-C-AMS
Numéro de série: 4561
Année de Fabrication: 1954
Equipage:victimes: 10 / à bord: 10
Passagers:victimes: 64 / à bord: 64
Total:victimes: 74 / à bord: 74
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:65 km (40.6 milles) SE de New York, NY (   Océan Atlantique) show on map
Phase de vol: En vol (ENR)
Nature:Transport de Passagers Intern.
Aéroport de départ:New York-Idlewild International Airport, NY (IDL/KIDL), Etats-Unis d'Amérique
Aéroport de destination:Caracas-Simón Bolívar International Airport (CCS/SVMI), Vénézuela
Numéro de vol: 253
Détails:
A Lockheed L-1049 Super Constellation, named "Rafael Urdaneta", and operated by Linea Aeropostal Venezolana was destroyed in an accident in the Atlantic Ocean off the coast of New York, USA. The airplane carried 64 passengers and ten crew members. All were killed.
Flight 253 took off from New York-Idlewild at 23:06 on June 19, 1956 for a flight to Caracas, Venezuela. Eighty minutes into the flight the crew reported they were returning to Idlewild because the no. 2 engine propeller was running wild. An emergency was declared at 00:50 and a US Coast Guard plane was sent as an escort. At 01:29 the Constellation crew started dumping fuel. Immediately after starting the dump the aircraft burst into flames. A sharp turn to the right was followed by a smooth climb and a tendency to veer to the left. The Super Constellation then disintegrated, turned into a fireball and crashed into the sea.


PROBABLE CAUSE: "Although the accident was observed by witnesses, its cause cannot be determined with absolute certainty. However, it would be logical to assume that the vibration which resulted from the loss of control of propeller no.2 caused one of the inside wing attachments to loosen or break at some point between the fuel tank and the dump chute at the symmetrical point of vibration (behind engine no.3)."

Sources:


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Plan
Ce plan montre l'aéroport de départ ainsi que la supposé destination du vol. La ligne fixe reliant les deux aéroports n'est pas le plan de vol exact.
La distance entre New York-Idlewild International Airport, NY et Caracas-Simón Bolívar International Airport est de 3382 km (2114 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 tels qui sont connus à ce jour.
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