Uhh, there is no Ultra Sport ARF. It is a kit. You post said building one from scratch. In this hobby "building from scratch" usually means that you buy all the wood for the plane, mark the parts, cut them out and sand them yourself, and then build the plane. Also, building from scratch means you have to select and buy all the hardware for you plane. When you build from a kit the complex parts are already cut out for you. Plus, most, if not all, of the hardware is included in the kit.

With an ARF all you are doing is the final assembly of the plane. there is no actual building involved.

Ken