: Point addressing for locations not directly on a road. .fda : Driver alerts (visual traffic signs). .ftr : Truck-specific routing information. .fsp : Speed profiles for "smart" routing. How to Download FBL Map Files

: The most reliable way to obtain legal map updates is through the official iGO Navigation site.

: They are often paired with other formats like .fda (driver alerts), .fpa (point addressing), and .poi (points of interest). Download and Installation