All answers are things which fly; birds, insects, air transport, and creatures of myth, fiction and legend. 7 Like steam trains do ? [6] 9 Goin' mad! [5] 10 S! [9] 11 Sacred to Ancient Egyptians [6,6] 15 Sylvester's enemy [7,3] 50 Very strong man?[8] note!!! have superman as the answer to "Kryptonian fashion victim" in another clue.
Look up East Anglian Air Ambulance on their web site. They have a contact page and they may be able to help you obtain a copy from the person who devised it.