I just wanted to make a quick correction. You can't register your glider as a service animal but you can register them as an emoiltional support animal (which i assume is what you meant). Service animals perform a specific task and are trained to do so while emotional support animals just offer companionship. There is also
No such thing as a service animal, just a service dog or a service mianture horse. If you get yours registered as a ESA, then they will be Be able to travel with you for no additional cost, but it does downed on the airline.
Sorry for the quick correction but wanted to clear any doubt