Originally Posted by Lightning Pilot

Which is why I advocate announcing (voice) or warning (bell , horn) far enough in advance that it doesn't matter what the one (or few, or many) being passed does. I hate being surprised by someone passing, because if he or she is passing close, and I even twitch, we may collide. (On a P-38, if you think "turn left" or "turn right" you may be there before you get to the "t.")