▁requirement ▁by ▁the ▁Reich sl u ft fahrt minister ium ▁( RL M ) ▁for ▁a ▁light ▁/ ▁emer gency ▁f ighter ▁aircraft , ▁was ▁the ▁Ar ▁ 7 6 ▁which ▁was ▁evaluated ▁against ▁the ▁He inkel ▁He ▁ 7 4 , ▁F ock e - W ulf ▁F w ▁ 5 6 , ▁the ▁H ensch el ▁H s ▁ 1 2 1 ▁and ▁H s ▁ 1 2 5 ▁in ▁ 1 9 3 5 . ▁Although ▁the ▁F w ▁ 5 6 ▁was ▁selected ▁for ▁the ▁main ▁production ▁contract , ▁the ▁R LM ▁was ▁sufficiently ▁im pressed ▁by ▁the ▁Ar ▁ 7 6 ▁to ▁order ▁a ▁small ▁number ▁of ▁production ▁aircraft ▁as ▁well . ▁ ▁Design ▁The ▁Ar ▁ 7 6 ▁was ▁a ▁par as ol - wing ▁mon op lane ▁with ▁fixed , ▁tail w heel ▁under car riage . ▁The ▁wings ▁were ▁constructed ▁of ▁fabric - cover ed ▁wood , ▁and ▁the ▁fus el age ▁was ▁fabric - cover ed ▁steel ▁t ube . ▁ ▁Oper ational ▁history ▁Production ▁Ar ▁ 7 6 A ▁aircraft ▁were ▁used ▁by ▁Jag d fl ie gers ch ulen ▁( fig h ter ▁pilot ▁schools ) ▁from ▁ 1 9 3 6 . ▁ ▁Vari ants ▁Data ▁from : ▁Ar ▁ 7 6 a ▁First ▁prototype , ▁( reg n . ▁D - IS EN ). ▁Ar ▁ 7 6 ▁V 2 ▁Second ▁prototype , ▁( reg n . ▁D - IR AS ). ▁Ar ▁ 7 6 ▁V 3 ▁Third ▁prototype