If you have , you might be in luck. PMDG released an updated version of the MD-11 for P3D v4/v5.
Two fully functional Flight Management Computers with precise LNAV/VNAV logic and fuel prediction. pmdg md 11 fsx
For flight simulation historians and those who still maintain an active FSX installation, the PMDG MD-11 remains a high-water mark of desktop aviation engineering—a digital monument to one of the world's most charismatic commercial tri-jets. If you have , you might be in luck