- fgTie("/steam/vertical-speed", FGSteam::get_VSI_fps);
- fgTie("/steam/gyro-compass", FGSteam::get_DG_deg);
- fgTie("/steam/adf", FGSteam::get_HackADF_deg);
- fgTie("/steam/gyro-compass-error",
+ fgSetArchivable("/steam/slip-skid");
+ fgTie("/steam/vertical-speed-fpm", FGSteam::get_VSI_fps);
+ fgSetArchivable("/steam/vertical-speed-fpm");
+ fgTie("/steam/gyro-compass-deg", FGSteam::get_DG_deg);
+ fgSetArchivable("/steam/gyro-compass-deg");
+ fgTie("/steam/adf-deg", FGSteam::get_HackADF_deg);
+ fgSetArchivable("/steam/adf-deg");
+ fgTie("/steam/gyro-compass-error-deg",