AL ▁in ▁ 2 0 1 0 . ▁Pre par ation ▁of ▁contract ▁for ▁full - scale ▁development ▁is ▁in ▁progress . ▁ ▁D iffer ences ▁for ▁F G FA ▁When ▁complete , ▁the ▁F G FA ▁would ' ve ▁been ▁pre domin antly ▁armed ▁with ▁weapons ▁of ▁Indian ▁origin ▁such ▁as ▁the ▁A stra , ▁a ▁beyond - visual - range ▁miss ile ▁( B V R ) ▁being ▁developed ▁by ▁India . ▁Although ▁in ▁keeping ▁with ▁the ▁Russian ▁B V R ▁doctrine ▁of ▁using ▁a ▁variety ▁of ▁different ▁miss iles ▁for ▁vers at ility ▁and ▁un predict ability ▁to ▁counter me asures , ▁the ▁aircraft ▁was ▁expected ▁to ▁have ▁compatibility ▁with ▁various ▁miss ile ▁types . ▁It ▁was ▁reported , ▁the ▁F G FA ▁would ▁include ▁systems ▁developed ▁by ▁third ▁parties . ▁ ▁The ▁completed ▁joint ▁Indian / Russ ian ▁versions ▁of ▁the ▁oper ational ▁f igh ters ▁would ' ve ▁differ ed ▁from ▁the ▁then ▁flying ▁pro tot ypes ▁through ▁a ▁total ▁of ▁ 4 3 ▁improvements . ▁ ▁Russia ▁had ▁agreed ▁to ▁the ▁demand ▁of ▁the ▁Indian ▁Air ▁force ▁that ▁it ▁must ▁be ▁a ▁two - se ater ▁f ighter . ▁India ▁had ▁plans ▁for ▁it ▁to ▁be ▁a ▁two - se ater ▁with ▁a ▁pilot ▁and ▁weapon ▁systems ▁operator . ▁ ▁Spec ifications ▁( F G FA ▁– ▁project ed ) ▁Most ▁of ▁these ▁figures ▁are ▁for ▁the ▁Su k ho i ▁Su - 5 7 ▁and ▁not ▁the ▁finished ▁H AL ▁F G FA . ▁ ▁See