You're right, for actually playing the sim, you'll likely need a game controller or something like that. I edited my comment.
But keep in mind that during the sim, you'll be able to ask the computer what you want the plane to do, and the computer will magically make it happen on your display.
But keep in mind that during the sim, you'll be able to ask the computer what you want the plane to do, and the computer will magically make it happen on your display.