@Fullofit:
LOL The Flight Leader making Errors really is a great Idea, that would add much Reality and Fun to the Game... you're flying around in Formation, watching the Sky for Enemies, and all of a sudden you think: "Hey! Were the Heck are we?"
The "Tank always empty after Hit" is another Issue. Your Proposal (random Amount of Fuel getting extracted) sure would be a sound Solution.

P.S.:
Welcome to the Front :-)