▁were ▁adult s . ▁N ine ▁passengers ▁board ed ▁the ▁air plane ▁in ▁M endo za , ▁nine ▁in ▁Neu qu én , ▁and ▁one ▁in ▁C ór dob a . ▁One ▁of ▁the ▁passengers ▁used ▁a ▁pass port ▁for ▁identification ▁purposes ▁at ▁the ▁check - in ▁des k , ▁while ▁the ▁rest ▁used ▁Argent ine ▁Document o ▁Nacional ▁de ▁Ident idad ▁( D NI ) ▁identity ▁documents . ▁All ▁of ▁the ▁passengers ▁had ▁Com od oro ▁Riv ad avia ▁as ▁their ▁final ▁destination , ▁except ▁for ▁one ▁of ▁them , ▁who ▁fle w ▁from ▁C ór dob a ▁to ▁M endo za . ▁ ▁Investig ation ▁The ▁aircraft ' s ▁flight ▁record ers ▁were ▁recovered ▁two ▁days ▁after ▁the ▁crash . ▁The ▁Argent in ian ▁Jun ta ▁de ▁Investig aciones ▁de ▁Acc ident es ▁de ▁A via ción ▁Civil ▁( J IA AC ) ▁opened ▁an ▁investigation ▁into ▁the ▁accident . ▁In ▁September ▁ 2 0 1 1 , ▁a ▁pre lim inary ▁report ▁was ▁issued ▁which ▁stated ▁that ▁the ▁cause ▁of ▁the ▁accident ▁was ▁a ▁st all ▁due ▁to ▁severe ▁air frame ▁ic ing ▁and ▁subsequent ▁loss ▁of ▁control . ▁ ▁The ▁J IA AC ▁published ▁its ▁final ▁report ▁in ▁March ▁ 2 0 1 5 , ▁confirm ing ▁the ▁find ings ▁of ▁the ▁pre lim inary ▁report . ▁No ▁evidence ▁of ▁technical ▁defect s ▁in ▁the ▁aircraft ▁was ▁found . ▁It ▁was ▁determined ▁that ▁the ▁ic ing ▁conditions ▁encountered ▁were ▁so ▁severe ▁that ▁the ▁aircraft ' s ▁de - icing