He wiggles the yoke back and forth a few times, just to check, but it's pretty clear that Stark's busy showing off his tech dick... which ain't as big as he thinks it is, but whatever.

Might as well let him do the work while he considers how to play this particular angle. Erik leans back in the pilot's chair and puts his hands behind his head, stretching out to relax as much as he can. It's a long flight to Wakanda.