is a highly versatile Flight Management System (FMS) produced by CMC Electronics that integrates Radio Management (RMS)

: Uses GPS, DME/DME, VOR/DME, and Inertial Reference Systems (IRS) to calculate the aircraft's position.

Are you trying to resolve a specific error code like "Boresight Discrepancy," or are you looking for the latest NAV data update for the simulator? Creating an FMS Flight Plan