UMX Pitts S-1S BNF Basic with AS3X and SAFEPitts Perfection "You don't fly this airplane," says Aviat Aircraft Company about its envelope pushing Pitts S 1S. "You wear it." The aerobatic biplane's proven design and highly responsive controls have made it a potent competition aircraft for decades. Due to its overwhelming popularity, E flite has brought back the UMX Pitts S 1S with updates and upgrades that make it the easiest to fly, most convenient, and most affordable Pitts model yet! It now