stevenhmiller
Pre-takeoff checklist
I'm looking at getting Garmin Pilot for my iPad. Looking at the subscriptions, I figure I'll get the U.S. Premium so I can get the geo-referenced airport taxi charts. At the bottom of the Garmin page, where you select which subscription you want, there is an add-on section where you can add Garmin North America Navigation Data for $24.99 and Jeppesen North America NavData for $49.99. What is that, and do I need it?