Accident description
Last updated: 17 September 2014
Status:Final
Date:Thursday 7 May 1981
Time:ca. 10:54
Type:BAC One-Eleven 529FR
Operator:Austral Lineas Aéreas
Registration: LV-LOX
C/n / msn: 212
First flight: 1970
Total airframe hrs:21729
Engines: 2 Rolls-Royce Spey 512-14DW
Crew:Fatalities: 5 / Occupants: 5
Passengers:Fatalities: 26 / Occupants: 26
Total:Fatalities: 31 / Occupants: 31
Airplane damage: Damaged beyond repair
Location:15 km (9.4 mls) ESE off Buenos Aires-Jorge Newbery Airport, BA (AEP) (   Argentina) show on map
Phase: En route (ENR)
Nature:Domestic Scheduled Passenger
Departure airport:Tucumán-Benj Matienzo Airport, TU (TUC/SANT), Argentina
Destination airport:Buenos Aires-Jorge Newbery Airport, BA (AEP/SABE), Argentina
Flightnumber: 901
Narrative:
Flight AU901 departed Tucumán at 09:11 for a flight to Buenos Aires. The flight was uneventful and at 10:35 the Tower controller cleared the flight to descend to 750 metres to the San Fernando VOR and cleared the flight for a direct approach to runway 13 from the VOR. At 10:40 the flight reported over the OP VOR and was cleared to land. The wind had shifted from 6 knots at 60 degrees to 12 knots at 030 degrees. Visibility was reducing. At 10:42 the crew reported the runway in sight and obtained the current weather information, which included heavy rainfall, wind 360 degrees at 10 knots. The pilots lost sight of the runway and decided to abort the approach. The One-Eleven continued South to the Quilmes (ILM) NDB. The Tower controller cleared the flight to hold over the ILM beacon at 900 metres. Because of Cumulonimbus clouds over the NDB, the crew requested a holding pattern over the Río de la Plata at 600 metres. At 10:52 they were cleared for another straight in approach to runway 31. Shortly afterwards the pilots lost control of the plane, which crashed into the river. Just 55-65% of the wreckage was recovered; both FDR and CVR were not found after 42 days of searching.

PROBABLE CAUSE: "Loss of control of the aircraft and impact with the water by an error of appreciation by the pilot in assessing the meteorological conditions on crossing through a zone of influence of an extremely violent cumulonimbus." (Junta de Accidentes de Aviacion Civil)

Classification:
Thunderstorm
Loss of control

Sources:


Photos

photo of BAC One-Eleven 529FR HB-ITL
Phoenix sold their BAC 1-11 HB-ITL in January 1975.
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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 Tucumán-Benj Matienzo Airport, TU to Buenos Aires-Jorge Newbery Airport, BA as the crow flies is 1066 km (666 miles).

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BAC One-Eleven

  • 16th loss
  • 245 built
  • 5th worst accident (at the time)
  • 6th worst accident (currently)
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 Argentina
  • 8th worst accident (at the time)
  • 10th worst accident (currently)
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