Milton Maze in Cambridgeshire did a Bo B themed one in 2010 but i can’t find any photos of it
“2010
In 2010 we celebrated the Anniversary of The Battle of Britain with a Spitfire Maze. Learning whilst you took part in the maze the historical facts about the Battle, the planes and the involvement of the local area.”
http://www.themiltonmaizemaze.co.uk/milton-maize-maze.html