This one I think it's quite important.
I don't know if I'm the only pilot that suffered this, but when you are in the middle of a battle, and in your crew there is a slot free (let's say, as engineer), when someone starts connecting to the game the AI stops fixing stuff because there is already a new player in that slot.
The problem is the time between the player starts to connect to the battle and the time he finishes connecting and loading the map. That time can be like 20~30 seconds in which you don't have a crew member (he is standing in the spawning point without moving).
My suggestion is that the AI should keep playing until the new player starts actually playing, and not until he starts connecting.
Thanks