https://www.google.co.uk/url?sa=t&source=web&rct=j&url=https://members.gliding.co.uk/wp-content/uploads/sites/3/2015/04/1430312110_4-3.pdf&ved=0ahUKEwiyqLvtl77YAhWFbFAKHWhJCGIQFgg9MAQ&usg=AOvVa w0-EJXF__ICHZpsxW4VX5Y9
Heavy landing checks, clearly not part of a normal daily inspection