02-25-2022, 03:59 AM
Well Garmin and Navigraph have different databases. You might need to 'fix' your flight plan waypoints if they don't match. Sometimes they don't properly load otherwise. I don't use MSFS ATC - too flakey.
LittleNavMap export as FlightGear FGFP.
LittleNavMap export as FlightGear FGFP.