4 4 7 ▁currently . ▁ 9 0 ▁had ▁been ▁completed ▁and ▁flow n ▁by ▁the ▁end ▁of ▁ 2 0 1 1 . ▁A vent ura ▁H P ▁Single ▁se ater ▁intended ▁to ▁be ▁registered ▁as ▁an ▁amateur - built ▁aircraft . ▁Standard ▁engines ▁are ▁the ▁ ▁Rot ax ▁ 5 0 3 ▁ ▁Rot ax ▁ 5 8 2 . ▁ 4 2 ▁had ▁been ▁completed ▁and ▁flow n ▁by ▁the ▁end ▁of ▁ 2 0 1 1 . ▁A vent ura ▁Sport ▁Two - se ater ▁market ed ▁as ▁the ▁simplest ▁and ▁light est ▁model ▁in ▁the ▁line - up . ▁Standard ▁engine ▁is ▁the ▁ ▁Rot ax ▁ 5 8 2 . ▁ 2 1 5 ▁had ▁been ▁completed ▁and ▁flow n ▁by ▁the ▁end ▁of ▁ 2 0 1 1 . ▁A vent ura ▁II ▁Two - se ater ▁with ▁some ▁options ▁included ▁as ▁standard ▁features . ▁Standard ▁engine ▁is ▁the ▁ ▁four - stroke ▁Rot ax ▁ 9 1 2 U LS . ▁A vent ura ▁X LR ▁Limited ▁edition ▁two - se ater ▁with ▁many ▁ex tras ▁as ▁standard ▁features , ▁including ▁a ▁new ▁style ▁engine ▁cow ling , ▁custom ▁graphics ▁package , ▁red es igned ▁instrument ▁panel ▁including ▁G PS , ▁vertical ▁speed ▁indicator ▁and ▁a ▁mode - C ▁trans ponder , ▁electric ▁landing ▁g ear ▁retra ction , ▁g ear ▁indicator ▁lights , ▁differential ▁hyd ra ul ic ▁bra kes , ▁car pet ing ▁and ▁a ▁head lin er . ▁The ▁standard ▁engine ▁is