Sammy the servo tray was left completely in tact , I built the cockpit around the tray and my reciver and one servo for the throttle is hidden inside the cockpit in front of the instrument panel, I had planned to hook the pilots control stick to the servo directly underneath that controls the rudder, so his hand will move the rudder ...... the canopy is functional manually on rails but I haven't figured out a way to hook up a servo and save the weight from the tail, I'll post some pic soon