Johnny Bravo wrote:
As for a precision maneuver, how Ernst Udet about picking up a hankerchief
sitting on a runway, using a wingtip, to win a bet with Hollywood starlet Mary
Pickford. 
Compared to that a 360 degree dive is a piece of cake.
I would bet that he was a better pilot than Snoopy's nemisis, even
though Manfred was credited with more kills.