Sounds like cool stuff.
I am doing something similar. I have interfaced flightgear & matlab (using XML, I don't know if there's any simpler way). I am working on my autopilot hardware, very soon it may need H-I-L
"Is it possible to extract bearing information from X-plane or Flightgear ?
I was trying to simulate Bill's UAV dev board in similar way as Michael has done. Only difference is I want to use bearing (VOR) navigation in place of GPS and gain…"