YXZNRC F11 AH-64D Apache RC Helicopter 6-Axis Gyro 2.4G 6CH Brushless Flybarless. RC ERA Bell-206 RC Helicopter 1:33 C138 6CH 6-axis Gyro Optical Flow Positioning. RC ERA C032 1:48 Huey Helicopter UH-1 6-axis Gyro 6CH 3D Brushless Motor.
eBay