▁( N II P ) ▁for ▁the ▁Su - 2 7 ▁multi - role ▁combat ▁aircraft . ▁ ▁Description ▁The ▁N 0 0 1 ▁rad ar ▁for ▁the ▁Su - 2 7 ▁was ▁designed ▁by ▁Vik tor ▁Gr ish in . ▁P ushing ▁the ▁state ▁of ▁the ▁art ▁for ▁the ▁USS R , ▁the ▁original ▁design , ▁known ▁as ▁Me ch , ▁was ▁supposed ▁to ▁draw ▁heavily ▁on ▁techn ologies ▁developed ▁for ▁the ▁experimental ▁So y uz ▁rad ar ▁program ▁led ▁by ▁N PO ▁Ist ok . ▁It ▁was ▁intended ▁to ▁have ▁a ▁great ▁deal ▁of ▁common ality ▁with ▁the ▁Mi G - 2 9 ' s ▁N 0 1 9 ▁Rub in ▁rad ar . ▁N 0 0 1 ▁has ▁a ▁ 1 . 0 7 5 m ▁anten na ▁diameter ▁tw ist - c asse gra in ▁anten na . ▁A ▁pul se - do pp ler ▁design ▁operating ▁in ▁the ▁ 3   cm ▁band ▁using ▁medium ▁and ▁high ▁PR F s ▁for ▁optim um ▁look down ▁cap ability , ▁the ▁N 0 0 1 ▁has ▁a ▁search ▁range ▁of ▁ 8 0 – 1 0 0   km ▁against ▁a ▁ 3 m ▁m ▁R CS ▁target ▁in ▁a ▁head on ▁eng agement , ▁ 1 4 0   km ▁against ▁a ▁large ▁bom ber . ▁It ▁can ▁track ▁a ▁ 3 m ▁target ▁at ▁ 6 5   km . ▁In ▁a ▁purs uit ▁eng agement , ▁search ▁range ▁for ▁a ▁ 3 m ▁target ▁falls ▁to ▁just