 There are an estimated 27 @,@ 000 civil aircraft registered in the UK , 96 per cent of which are engaged in GA activities . In 2005 the GA fleet comprised 9 @,@ 000 fixed @-@ wing aircraft , 4 @,@ 100 microlights , 1 @,@ 300 helicopters , 1 @,@ 800 airships / balloons , 2 @,@ 500 gliders and some 7 @,@ 000 hang gliders . Estimates put the number of foreign @-@ registered GA aircraft based in the UK at 900 . 
