The E-flite® UMX™ WACO blends classic style with state-of-the-art features including a 2S and 3S compatible power system and optional-use SAFE Select to give you one of the most rewarding Golden Age biplane flying experiences at any size!

The E-flite® UMX™ WACO blends classic style with state-of-the-art features including a 2S and 3S compatible power system and optional-use SAFE Select to give you one of the most rewarding Golden Age biplane flying experiences at any size!

E-flite® debuted the Ultimate2 in 2015, earning praise from RC pilots worldwide for its solid aerobatic performance and 3D capabilities. With the Ultimate 3D, E-flite® has updated and upgraded that proven airframe to modern-day standards. Its new power system offers better 3S performance and BALLISTIC power with a 4S battery.