The FAA recently released their 12th Edition of the Aeronautical Chart User’s Guide. It is an 86-page document that describes all of the symbols, colors and data presented on today’s aviation charts.
Yes, today most of us are using our mobile devices to view charts and use their moving-map functionality. All of these mobile devices use digital versions of the aviation charts described in the FAA’s Guide. Here is where you will find out what all those unusual symbols mean on your digital displays.