Originally Posted by
WhiskyWhisky
We need some sort of standard wave for airline pilots in passing at airline terminals. Ya know, kinda like Bikers have. Out riding my Harley we have a standard Biker's Wave.
What's airline pilot protocol? - Own metal to own metal, and to other metal. Head nod? Wink? Sad face?

It is there. You just have to look hard for it, which is of course the intent.
Study the Delta pilots. Intensely. Just stare at them as you walk through the terminal. Don't look away. They are the key.