I've searched for this and couldn't find it...I apologize if it's been asked for already.
I'd like the autopilot to accept compass direction and altitude. Like ".aph 140" For autopilot heading 140 and ".apa 15000" for autopilot altitude 15000 feet. It would make flying in formation with squaddies, and bomber formations much easier.
There's nothing more terrifying than seeing a finger 4 formation of 109's with JG 54 plastered on the side heading to a base near you.

or
a massive formation of B24's in an actual defensive formation rather than stretched out like a drunken 2 headed snake.