Offset 0x3C00 is documented as providing the full path name to the current .air file and has worked fine except on MSFS where it gives a relative path from the simobjects folder, eg "SimObjects\Airplanes\Asobo_C172sp_AS1000\aircraft.CFG". Because of this I'm finding it difficult to locate and read the current aircraft.cfg. I noticed in the FSUIPC logfile a line containing the full pathname of the aircraft.cfg, I'd be grateful for a hint as to how this was constructed. I am reading the ai