YXZNRC F06 EC135 RC Helicopter 2.4G 6CH 6 Axis Gyro Brushless 3D Flybarless 1:36. YXZNRC F11 AH-64D Apache RC Helicopter 6-Axis Gyro 2.4G 6CH Brushless Flybarless. Item No.: F03. YXZNRC Black Hawk UH-60 RC Helicopter with 6-axis Gyro 2.4G 6CH Flybarless 3D.