My horse is useful, but he is on the road to becoming handy. He stands quietly for me to dismount and open and close gates, and is learning to sidepass and otherwise manuever himself to work gaits with me aboard. He stands tied like a gem at home, and the only difference away from home is some whinnying and looking at other horses, which I expect will be remedied with more exposure to strange places and atmospheres. He is learning that cows are not horse-eating monsters, but on my family's little farm we have no need for horses with great "cow handiness," but simply "cow fearlessnes/toleration." He is very rope safe, from dragging a rope along the ground behind him to spinning the rope over his head, to ropes on and around his legs. I have future plans to add a tire or other load for him to pull, as a matter of being well broke. He comes flying to the sound of my whistle, I have never chased him. He is very traffic safe, even tractor-trailers speeding past hold little interest for him beyond acknowledgement. He loads into trailers without batting an eye, and unloads sanely, his cheekbone at my shoulder the entire time. He crosses bridges and water on the trail without any more difficulty than entering his own stall.
Yes, I think I would call Scout useful. At 8 years old, he has a good way to go before he is handy, especially in the more western riding style sense of the term, but even hunter/dressage/trail/companion ponies like my fellow can learn a lot and be a better horse for crossing the line from useful to handy.
A stubborn horse walks behind you, an impatient one in front of you, but a noble companion walks beside you ~ Unknown