FlightGear IRC channel
The FG IRC (Internet Relay Chat) channel is a chatroom related to everything about FG. It's mostly used by developers, but it is also a good place to ask for help if you are having a question.
To enter the IRC, you need an IRC client installed on your computer. For users of Mozilla browsers (like Firefox), the plugin ChatZilla is surely a good option. You can also use mIRC or any other client.
The IRC channel has two sites. Normally the discussion takes place on the "Primary Site":
So how do you get in there: When using ChatZilla, go to your Mozilla/Firefox browser and enter irc://irc.flightgear.org/flightgear. You should be in now.