Article on ops into Aspen in
AIN Online; it was in their weekly email summary today.
“One clear day I asked the tower if I could circle to 33 [in a Challenger] just to see what it was like,” one pilot said. “It was scary. Steep banking at high altitude introduces the potential for an accelerated stall, for one thing. It’s a risky maneuver under the best conditions in a high-performance jet.”
Which seems consistent with most of what was discussed here, namely that it
can be done, but
shouldn't.