I've definitely heard stories from old pilots of blacking out and coming too while out of control, and then having to wrestle control back while coming round. I

I've definitely heard stories from old pilots of blacking out and coming too while out of control, and then having to wrestle control back while coming round. I wouldn't be at all surprised if many more never recovered in time. I remember a WWI era flight-sim called Red Baron that included this in it's mechanics. If you tried to pull a turn too fast you'd start to black out and lose control.