Descripción del Accidente ASN 05 MAR 1959 Vickers 763D Viscount YS-09C - Managua Airport (MGA)
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Estado:Accident investigation report completed and information captured
Fecha:jueves 5 marzo 1959
Hora:19:35 UTC
Tipo:Silhouette image of generic VISC model; specific model in this crash may look slightly different
Vickers 763D Viscount
Operador:TACA International Airlines
Registración: YS-09C
Numéro de série: 82
Año de Construcción: 1958-10-07 (5 months)
Horas Totales de la Célula:819
Ciclos:600
Motores: 4 Rolls-Royce Dart 510
Tripulación:Fatalidades: 2 / Ocupantes: 4
Pasajeros:Fatalidades: 13 / Ocupantes: 15
Total:Fatalidades: 15 / Ocupantes: 19
Daños en la Aeronave: Anulado
Consecuencias: Written off (damaged beyond repair)
Ubicación:2,4 km (1.5 milles) de Managua Airport (MGA) (   Nicaragua)
Fase: Ascenso Inicial (ICL)
Naturaleza:Vuelo Internacional Programado
Aeropuerto de Salida:Managua Airport (MGA/MNMG), Nicaragua
Aeropuerto de Llegada:Tegucigalpa-Toncontin Airport (TGU/MHTG), Honduras
Número de Vuelo: 779
Descripción:
The TACA Viscount took off from Las Mercedes Airport for a flight to San Salvador Guatemala, Mexico and New Orleans. Shortly after lift-off the no. 1 engine was observed to have stopped. The aircraft started an abrupt left turn followed by an excessive bank to the left. The plane lost height, collided with a tree and crashed inverted.

Probable Cause:

PROBABLE CAUSE: "In accordance with the documentation obtained and data collected during the inquiry, the Investigating Board reached the following conclusions: The accident was caused by the following factors: 1) Failure of No.1 engine at the end of runway 29 during takeoff and before reaching V2 speed. 2) The non-retraction of the landing gear immediately after the aircraft reached V2 speed; 3) Failure of engine no.2 a few seconds later, during a climb with insufficient speed to maintain control which resulted in a forced turn to the left that became tighter and tighter; the aircraft finally rolled into an inverted position and hit a tree with its left wing. Several possible reasons for the failure of engines no.1 and 2 and the non-retraction of the landing gear were considered, however the Board found no substantiating evidence or proof in the various tests carried out on the aircraft's parts to support any one of them. The Board was therefore, unable positively to attribute the accident to any mechanical or electrical failure or to any piloting error."

Fuentes:
» ICAO Accident Digest Circular 62-AN/57 (99-100)
» El Litoral 11-3-1959 (accident photo)


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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 Managua Airport to Tegucigalpa-Toncontin Airport as the crow flies is 240 km (150 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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Vickers Viscount

  • 445 built
  • 21st loss
  • 12th accidente fatal
  • 6th worst accident (a la hora)
  • 42nd worst accident (actualmente)
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 Nicaragua
  • 4th worst accident (a la hora)
  • 7th worst accident (actualmente)
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