Hang gliding is read as flying with only a frame and your own body to steer. It points to courage, independence and the exhilaration of a risk well judged.
When this appeared in your dream, what were you feeling?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.