HSI 400 400 compass 430 430 Aircraft/Instruments-3d/primus-1000/MFD/compass.png 0.0 0.0 1.00 1.00 rotation orientation/heading-magnetic-deg -1 true hdg bug 38 14 Aircraft/Instruments-3d/primus-1000/MFD/mfd-mask.png 0.838 0.940 0.986 0.984 rotation autopilot/internal/fdm-heading-bug-error-deg y-shift 192 true