AN aviation charity based at the former Maze site has said it has been forced to cancel its successful open days this month because the Office of the First and Deputy First Minister has never officially replied to its request for permission - almost a year after it was submitted. The Ulster Aviation Society, which has been based at a former Second World War hangar at the Maze for the last eight years, frequently hosts guided tours of its site and had held annual open days for several years. Society Chairman Ray Burrows said last year's open day was so successful, the charity's voluntee[...]