Originally Posted by
vilas
No. Not after recovery. After discovery of UAR you disconnect AP and ATHR and fly pitch and thrust. All three ADRs are unreliable. Are you allowed to remain in RVSM?
If all ADRs are unreliable you are in a serious emergency. No you are not allowed normally, BUT, if you declare mayday you don't care about separation and RVSM, it's the controllers job.