I'm neither a pilot nor have I ever been to any part of Alaska. But, for fun, my answers:
A. If I'm Yuri, I'm stripping down to shirt, trou and boots, and walking toward the Coast Guardsmen slowly with hands up and one of those hands waving a white hanky. If I've got the English for "I Give up", I'm saying it repeatedly. If they don't shoot me, I'm now saying "asylum" frequently, 'cause you know the Reds aren't going to be happy with someone who loses his MIG and surrenders.
B. If I'm the bush pilot, I'd do the STOP thing, wait for my adrenalin to subside, then tidy up my plan and start executing. I'd tend to shelter in place, since the only thing I've repeatedly read about the "rules" for pilots downed on land is "Stay with the plane."
Limited answers, I know, but my own knowledge outside of upland hunting and fishing in the Midwest is pretty limited.