Ok, thanks for the explanation.
Right now I’musing FaceTrackNoIR with the TobiiExeX plugin ; which works really well, but is limited to eye tracking only. (NB: I really wish the plugin was updated to support the face tracking with the EyeTracker 4C. ^^)
In the FreeTrack plugin there is an option to emulate TrackIR as seen in this screenshot:
Using these settings, Star Citizen works flawlessly. But I admit I don’t know the legal ramifications of the trick used by this plugin.