I think you'd have to be sending and receiving to stay connected to the towers at all. I haven't tried it, but if it's true that you can still call 911 while in

I think you'd have to be sending and receiving to stay connected to the towers at all. I haven't tried it, but if it's true that you can still call 911 while in airplane mode then you're certainly sending and receiving. What we need is a "No really, all radios off" switch, preferably a hardware switch, but if we had one maybe people would opt of being tracked all the time.