Check the listing for details. E-flite RC Airplane UMX Pitts S-1S BNF Basic with AS3X and SAFE Select. Color: Red, Condition: New. Listed at 169.99 USD. Pitts 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 includes optional-use SAFE® Select, is both 2S and 3S compatible, and provides real-time battery voltage telemetry to compatible Spektrum AirWare™ equipped transmitters. Because of its ultra-micro size, the UMX Pitts® S-1S can be flown indoors in gymnasiums and other.