Has anyone ever ran this in the sim at altitude? I have set up for lower altitudes. It was no picnic. I can't imagine the challenges the real life situation would entail above FL300.
I'll only make this comment. Years ago I was flying a Jet Commander at FL41.0 weaving around the tops of a line of thunderstorms using radar and visual clues. We were passing between the tops of two cells and were hit by lighting which caused both the DC and AC generators to trip of line along with the battery buss.
All I had left was the standby attitude indicator and the co-pilot's airspeed indicator and altimeter. Shortly after this electrical failure we entered IMC and encountered light to moderate turbulence. It was very difficult to fly the aircraft, it seemed as if it was a hour before we came out the other side of the line, but in reality it was only about fifteen minutes.
In summation, it is not easy flying on standby instruments at high Flight Levels, no matter the size of the aircraft.
I just hope they find the boxes.