That might be a bit complicated, but absolutely doable.
There are things that need to be added to the aircraft you will use as well as the airports you intend to fly to. Unfortunately the larger portion of the things needed was in a Git repository on the since many years defunct Gitorious repository hosting website, but that should be possible to dig out form some archive somewhere.
This FlightGear wiki article might shed some further light on it how the ramp marshall worked:
Ramp Marshall (
permalink)
Edit: Found archived Git repositories and added them to the links in the wiki article.