For those using Skydemon for flight planning and navigation, it works also with flightgear.
Just found the thread on the flightgear forum. http://forums.skydemon.aero/Topic13422.aspx?Keywords=flightgear
To use it with the qt-launcher, I had to enter the following as additional opiton.
--generic=socket,out,1.0,IP_OF_YOUR_IPAD,49002,udp,skydemon
Eskimo