In multiplayer there are labels so you can see, who it is in the airplane.
My question is, how can you put that on?
just put yoor labels on and it will appear.
Be sure to search for your question from existing posted questions before asking a new question as your question may already exist from another user. If you're sure your question is unique and hasn't been asked before, consider asking a new question.
Flight Sim Questions that are closely related to this...