Im sure RAT5 is , I guess making a point in a more milder situation (i hope!) in the tube I fly we regularly operate up there at the mid forties T.U.C is a mere handful of breaths if its catastrophic. The last thing on my mind (if I can think at this stage
) is getting down, I'll leave the TCAS to talk to other TCAS' , ATC can scream all they like I probably wont hear them anyway!