The Aviation Development Foundation ('ADF') is a nonprofit research institute based in the Netherlands.
They have graciously provided many of the formulas in use on this site.
Air Traffic Controller 2007 -- the ATC Game for your Mobile by Lunagames.
These are the aircraft type designators that are used on this site.
Here are some good sites that show IATA and ICAO airline codes.
If you enjoy browser-based games, then you might also like these.