I assume you're talking about the Air Traffic Control Tower.
Well, to log in as one, here is the 'aircraft' for it.
ftp://ftp.ibiblio.org/pub/mirrors/flightgear/ftp/Aircraft-2.0.0/ATC_20100302.zip
P.S. That's the direct download link. If you would prefer to browse through a selection of vehicles, try this link.
http://www.flightgear.org/Downloads/aircraft-2.0.0/index.shtml
FlightGear Flight Simulator was by the FlightGear Project since 1997 and was the first FlightGear released.
FlightGear happened in 1997.
FlightGear was created on 1997-07-17.
It is like flying ATC or weather station
First, download a plane off of the Flighgear website. Then go into your applications folder and right click on Flighgear. Then select show package contents. Then click on these folders: Contents--> Resources--> Data. Then you will see a folder marked Aircraft. Then all you have to do is drag your plane folder to the aircraft folder and open flightgear. These instructions are for mac, not pc.
you canttt.
The Flightgear flight simulator was not created by a single person. It was created by international group of volunteers. It is open source software free to download.
As English is the language that is required to be spoken to ATC, "Mayday; ____ Flight # declaring an emergency" Etc.
* ALL TERRAIN CYCLE
GENCO ATC's population is 10,000.
GENCO ATC was created in 1898.
Actually, there's a program out there that's very very similar called FlightGear. Some may say proflight actually stole flightgear. Anyway, FG is totally free, check it out.