"conflict"? Doesn't TCAS do this? Certainly, if the altitude alerter fires, it is a/c generated, but TCAS alerts the common comm? if the authority comes down hard on RVSM busts, they can't then refuse the a/c a 7700? In Atlantico, Comms seem problematic on top of everything else? Consider that TCAS is simply a ground installed and remote ATC presence?