Just flew my maiden with the AR500! Have it in my foamy right now for a test plane... FLEW GREAT... had it about as high as I could get the little foamy to climb with no problem.. hovers about 3 feet away from me no interference from being so close... no binding issues, no brown outs, no glitches... just fun flying and this might be my main receiver for my planes if I still have good experiences in the next few weeks... can't wait to get my Ultra Micro 4 Site to play with in the front yard