Originally Posted by
highsky
Either way, if you're evaluating, you're in command, because you have the authority to remove the guy flying from being in command. I'd count it as PIC.
The FARs specifically say that any time as the instructor is PIC time. That is my basis for counting "over the shoulder" time during IUT upgrade flights. I agree with you that you definitely have responsibility for the flight whether you can reach the controls or not. If something goes wrong, it is your ass on the line as well.