How to add new aircraft to FS 2002

[poggypog]

Can someone tell me how, based on aircafts available in aircraft directory, to add new aircrafts to the one by default that are flying around. Is ther a special file where to select thos aircafts ?  

[Travis]

Do you mean the AI (Artificial Intelligence) drones?  IE-the other aircraft flying around while you are in the air and taxiing on the ground?

[Scottler]

If you're looking for decent AI traffic (planes flying around in the sky around you), head to www.projectai.com.  It's very simple, and in my top five add-ons ever....