▁tax i , ▁and ▁ 1 . 5 % ▁military . ▁ 6 5 ▁aircraft ▁were ▁then ▁based ▁at ▁this ▁air port : ▁ 8 7 . 6 % ▁single - engine , ▁ 6 . 2 % ▁multi - engine , ▁and ▁ 6 . 2 % ▁jet . ▁ ▁According ▁to ▁the ▁F AA ▁Air ▁Tra ffic ▁Activity ▁System ▁( AT AD S ) ▁database , ▁for ▁calendar ▁year ▁ 2 0 1 7 , ▁Twe ed ▁hosted ▁some ▁ 2 5 , 7 8 3 ▁aircraft ▁operations . ▁Each ▁take off ▁and ▁landing ▁counts ▁as ▁an ▁aircraft ▁operation . ▁ ▁General ▁av iation ▁operations ▁at ▁the ▁air port ▁are ▁handled ▁by ▁the ▁F ixed - Base ▁Oper ator , ▁Robinson ▁A viation , ▁Inc , ▁which ▁has ▁been ▁providing ▁F BO ▁services ▁at ▁the ▁air port ▁since ▁ 1 9 8 9 . ▁Services ▁offered ▁include ▁on - site ▁maintenance , ▁flight ▁training ▁and ▁aircraft ▁r ental ▁via ▁New ▁H aven ▁A viation ▁Center , ▁in ▁addition ▁to ▁normal ▁ground ▁handling , ▁fuel ing ▁and ▁con cier ge ▁services . ▁General ▁av iation ▁accounts ▁for ▁the ▁majority ▁of ▁traffic ▁at ▁the ▁air port , ▁c ater ing ▁to ▁corpor ate , ▁char ter , ▁and ▁private ▁use ▁aircraft ▁of ▁all ▁sizes . ▁ ▁The ▁Connecticut ▁Wing ▁Civil ▁Air ▁Pat rol ▁ 7 3 rd ▁Min ut eman ▁Squadron ▁( NER - CT - 0 7 3 ) ▁oper ates ▁out ▁of ▁the ▁air port . ▁ ▁Pl anned ▁Exp ansion