Miniature Horses can be helpful to people with balance issues. As of now the ADA permits horses as service animals.
The owner runs a not for profit and this is the mission statement:
Our therapy Mission Statement: Little Horses Big Smiles through equine animal assisted therapy and activities is dedicated to bringing LOVE, JOY, HAPPINESS, and HEALING from moments that can't be described with words!!!
Fred-Michigan’s Newest Mini Therapy Horse
But in other posts on her FB page there is a claim that this is a service animal.
Fred is a 1.5 year old miniature horse the assists his handler Ronica. His service horse training has been in conjunction with his therapy training over the past year. Fred is currently directive retrieval trained and very light mobility (his young age does not allow for any further mobility training until he body is fully mature) Fred will learn additional tasks that Ronica will be teaching him.
It looks like the owner bought two tickets in FCand had the bulkhead.