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Last updated: 22 September 2021
Statuts:Enquête Officielle
Date:mardi 27 novembre 1956
Heure:ca 08:10
Type/Sous-type:Silhouette image of generic CONI model; specific model in this crash may look slightly different
Lockheed L-749-79 Constellation
Compagnie:Linea Aeropostal Venezolana - LAV
Immatriculation: YV-C-AMA
Numéro de série: 2560
Année de Fabrication: 1947
Equipage:victimes: 7 / à bord: 7
Passagers:victimes: 18 / à bord: 18
Total:victimes: 25 / à bord: 25
Dégats de l'appareil: Détruit
Conséquences: Written off (damaged beyond repair)
Lieu de l'accident:18 km (11.3 milles) ESE of Caracas Airport (CCS) (   Vénézuela)
Élévation des lieux de l'accident: 2043 m (6703 feet) amsl
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 Airport (CCS/SVMI), Vénézuela
Numéro de vol: 253
Détails:
LAV Flight 253 departed New York-Idlewild Airport on a 9h48 min flight to Caracas-Maiquetia. Cruising altitude was FL170. Last two messages from the aircraft were a position report at FL175, 75 miles NW of Maiquetia (at 07:51) and a report 35 miles NW of Maiquetia at 7000 feet. It appeared that the Super Constellation, named "Jose Marti", had struck the western peak of Silla de Caracas at 6702 feet altitude. Weather at Maiquetia at the time of the accident was: covered sky, ceiling 2500 feet, visibility north 4 miles, south 0 miles; wind calm.

Probable Cause:

PROBABLE CAUSE: "The instrument flight training manuals show that the Linea Aeropostal Venezolana has approved a procedure for entering Maiquetia in semi-IFR conditions. This procedure consists in maintaining a minimum flight level of 10000ft as far as the station (Miq 292.5), then turning north over this pount and continuing on a 360deg heading for 4 minutes followed by a standard let-down to 1200ft above sea level until contact is established, and a return to the aerodrome under VFR. It is obvious that the pilot-in-command did not fully comply with this procedure, and, after accumulating errors in estimating his speed, endeavoured to make a direct approach which proved fatal because his altitude at the time of his last report was insufficient to cross the Avila mountain range against which the impact occurred."

Sources:
» ICAO Accident Digest No.9, Circular 56-AN/51 (15)


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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 New York-Idlewild International Airport, NY et Caracas Airport est de 3382 km (2114 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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Lockheed L-749

  • 145 built
  • 17ème loss
  • 13ème accident fatal
  • le accident 9ème le plus grave (à ce moment là)
  • le accident 11ème le plus grave (en ce moment)
» safety profile

 Vénézuela
  • le accident 3ème le plus grave (à ce moment là)
  • le accident 15ème le plus grave (en ce moment)
» safety profile