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Datum:woensdag 18 februari 1959
Type:Silhouette image of generic C46 model; specific model in this crash may look slightly different
Curtiss C-46A-40-CU Commando
Luchtvaartmaatschappij:Southern Cross Airways
Registratie: N68823
Constructienummer: 26818
Bouwjaar: 1944
Motoren: 2 Pratt & Whitney R-2800-51
Bemanning:slachtoffers: 0 / inzittenden: 5
Passagiers:slachtoffers: 0 / inzittenden: 0
Totaal:slachtoffers: 0 / inzittenden: 5
Schade: Afgeschreven
Gevolgen: Written off (damaged beyond repair)
Plaats:Belen (   Chili)
Fase: Kruisvlucht (ENR)
Soort vlucht:Vracht
Vliegveld van vertrek:Arica-Chacalluta Airport (ARI/SCAR), Chili
Vliegveld van aankomst:Puerto Suarez Airport (PSZ/SLPS), Bolivia
Nearly one hour following takeoff from Arica (ARI) a no. 2 engine power loss occurred. The aircraft was flying over the Andes at that moment, on its way to Puerto Suarez (PSZ). The C-46 was overloaded by 1000 lb (455 kg) and could not maintain altitude. The crew were forced to carry out a forced landing on a comparatively open, uphill area when the plane slid through several 3-4 feet high rock retaining walls. The initial cause of the engine malfunction could not be established, however as a result of it the exhaust valve of the no.10 cylinder had failed from its piston beating against the spark plugs and cylinder head. This probably ruptured the intake port, and reduced manifold pressure to atmospheric pressure (22" in flight).

» La Nacion 20 February 1959, p19


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Deze kaart geeft het vliegveld van vetrek weer en de geplande bestemming van de vlucht. De lijn tussen de vliegvelden geeft niet de exacte vliegroute weer.
De afstand tussen Arica-Chacalluta Airport en Puerto Suarez Airport bedraagt 1315 km (822 miles).

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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