Freewing 9g Metal Servo for Freewing 4 CH A-10 Warthog Thunderbold II / 6 CH 90mm Stinger / 4 CH F-22 / 4 CH Knight860 / 5 CH Focke-Wulf Fw 190 / 6 CH Messerschmitt Me 262 / 4 CH Flight Design / 6 CH Giant SBD Dauntless / 5 CH F-16 Fighting Falcon / 6 CH