 The number of aerodromes that support GA in the UK is difficult to establish with certainty . Pooleys 2008 United Kingdom Flight Guide lists 355 , and the Airplan Flight Equipment UK VFR Flight Guide 2008 lists nearly 500 . Lockyears Farm ' Strips ' and Private Airfields Flight Guide lists more than 300 landing sites . The GASAR study estimates 1 @,@ 100 formal flying sites in England alone , a figure which includes 400 sites known to planning authorities but not included in flight guides . It estimates another 759 informal sites known only to land owners , customs , and members of the enthusiast group Air @-@ Britain . 
 The number of aerodromes <a href='null_relcl' title='1'><mark>that</mark></a>support GA in the UK <a href='drop_aux' title='2'><mark>is</mark></a>difficult to establish with certainty . Pooleys 2008 United Kingdom Flight Guide <a href='uninflect' title='3'><mark>lists</mark></a> 355 , and the Airplan Flight Equipment UK VFR Flight Guide 2008 <a href='uninflect' title='4'><mark>lists</mark></a> nearly 500 . Lockyears Farm ' Strips <a href='null_genetive' title='5'><mark>'</mark></a>and Private Airfields Flight Guide <a href='uninflect' title='6'><mark>lists</mark></a> more than 300 landing sites . The GASAR study <a href='uninflect' title='7'><mark>estimates</mark></a> 1 @,@ 100 formal flying sites in England alone , a figure which <a href='uninflect' title='8'><mark>includes</mark></a> 400 sites known to planning authorities but not included in flight <a href='negative_concord' title='9'><mark>guides</mark></a> . It <a href='uninflect' title='10'><mark>estimates</mark></a> another 759 informal sites known only to land owners , customs , and members of the enthusiast group Air @-@ Britain . 
Da number of aerodromes support GA in tdaUK difficult to establish wid certainty . Pooleys 2008 United Kingdom Flight Guide list 355 , and thdairplan Flight Equipment UK VFR Flight Guide 2008 list nearly 500 . Lockyears Farm ' Strips  and Private Airfields Flight Guide list more than 300 landing sites . The GASAR study estimate 1 @,@ 100 formal flying sites in England alone , a figure which include 400 sites known to planning authorities but not included in flight no guides . It estimate anotha 759 informal sites known only to land owners , customs , and members of the enthusiast group Air @-@ Britain .