Channel: 10CH. Wltoys K170 UH-60L Black Hawk 4CH 6-Axis Gyro Aircraft RC RTF Helicopter US. Wltoys XK K110S 6CH 3D 6G System Single Paddle Brushless RC Helicopter Aircraft. RC ERA C032 Huey UH-1 RC Helicopter 1/48 Gyro 6CH 3D One-key Inverted Flight.