▁crash ed ▁on ▁ 1 1 ▁December ▁ 1 9 6 0 ▁near ▁San ▁And rés ▁de ▁G iles , ▁Argentina . ▁All ▁ 3 1 ▁on ▁board ▁were ▁killed . ▁This ▁was ▁the ▁worst ▁accident ▁involving ▁this ▁type ▁of ▁aircraft . ▁▁ ▁Lan cast rian ▁G - AG WH ▁, ▁Star ▁D ust ▁ ▁On ▁ 2 ▁August ▁ 1 9 4 7 ▁Lan cast rian ▁G - AG WH ▁Star ▁D ust ▁of ▁British ▁South ▁American ▁Air ways ▁was ▁lost ▁in ▁the ▁And es , ▁whilst ▁en ▁route ▁from ▁Buenos ▁Aires , ▁Argentina , ▁to ▁Santiago , ▁Chile . ▁The ▁probable ▁cause ▁of ▁the ▁crash ▁was ▁a ▁navigation ▁error ▁due ▁to ▁the ▁then - unknown ▁effect ▁of ▁the ▁fast - mov ing ▁jet stream . ▁ ▁Vari ants ▁Lanc aster ▁X PP ▁N ine ▁built ▁by ▁converting ▁Lanc aster ▁M k . ▁X s ▁at ▁Vict ory ▁A ircraft ▁Ltd ▁Canada . ▁Lan cast rian ▁C . 1 ▁N ine - se at ▁transport ▁aircraft ▁for ▁BO AC ▁and ▁Q ant as . ▁Royal ▁Air ▁Force ▁design ation ▁Lan cast rian ▁C . 1 ▁to ▁Spec ification ▁ 1 6 / 4 4 . ▁A ▁total ▁of ▁ 2 3 ▁built ▁by ▁Av ro ▁Lan cast rian ▁C . 2 ▁N ine - se at ▁military ▁transport ▁aircraft ▁for ▁the ▁R AF . ▁A ▁total ▁of ▁ 3 3 ▁built ▁by ▁Av ro ▁Lan cast rian ▁ 3 ▁ 1 3 - se at ▁transport ▁aircraft ▁for ▁British ▁South ▁American ▁Air