Originally Posted by
mrmum
Of course not, PIC and handling pilot are not the same thing. No reason why A can't give B control while in IMC.
Using the best skills available for safety of the flight can be extremely sensible.
Here's a real example (the other player is a Ppruner but I'll leave it to him whether to declare himself or not). I was right hand seat - as it happens Captain and Instructor, but in the left hand seat was a PPL/owner acting as if Captain. At the end of a looooong leg, where we were aiming into a fiddly strip, he went around three times and was clearly struggling to get it in. I suggested politely that I took control, he agreed, and I landed it. That was the right thing to do for the safety of the flight - and it would have been no less right if he'd been Captain, which he was qualified to be.
G