port ▁had ▁ 7 , 3 0 0 ▁aircraft ▁operations , ▁an ▁average ▁of ▁ 2 0 ▁per ▁day : ▁ 8 6 % ▁general ▁av iation , ▁ 1 2 % ▁air ▁tax i , ▁and ▁ 1 % ▁military . ▁At ▁that ▁time ▁there ▁were ▁ 1 7 ▁aircraft ▁based ▁at ▁this ▁air port : ▁ 6 5 % ▁single - engine , ▁ 6 % ▁multi - engine , ▁ 1 2 % ▁hel ic op ters ▁and ▁ 1 8 % ▁ul tr al ights . ▁ ▁References ▁ ▁External ▁links ▁▁ ▁Aer ial ▁photo ▁as ▁of ▁ 1 3 ▁April ▁ 1 9 9 8 ▁from ▁US GS ▁The ▁National ▁Map ▁▁▁▁▁ ▁Category : A ir ports ▁in ▁New ▁Ham pshire ▁Category : Transport ation ▁buildings ▁and ▁structures ▁in ▁Ch esh ire ▁County , ▁New ▁Ham pshire ▁Category : J aff rey , ▁New ▁Ham pshire <0x0A> </s> ▁K ep ier ▁is ▁a ▁location ▁in ▁the ▁city ▁of ▁Dur ham , ▁England ▁in ▁the ▁parish ▁of ▁Bel mont , ▁close ▁to ▁G iles gate ▁and ▁beside ▁the ▁River ▁W ear . ▁It ▁is ▁site ▁of ▁the ▁medieval ▁Hospital ▁of ▁St ▁G iles ▁at ▁K ep ier . ▁ ▁The ▁name ▁der ives ▁from ▁' K ipe ▁we ir ', ▁meaning ▁a ▁we ir ▁with ▁a ▁fish ▁trap ▁and ▁the ▁convenience ▁of ▁being ▁close ▁to ▁a ▁source ▁of ▁fish ▁( a ▁major ▁part ▁of ▁the ▁mon astic ▁di et ) ▁may ▁have ▁influenced ▁the ▁location ▁of ▁the ▁hospital .