YOU USE AN IPAD IN A 747!!!??? I thought that thing would be loaded down with so many GPS's you wouldn't even need anything else!
Well ......... Yeah ....
The 747 has 3 GPSs that tell the Flight Management System where it is, so it can navigate and make all those pretty pictures on the Navigation Displays. But, we still use paper Jeppesen charts and approach plates. I've got all the Jepps on my iPad, and with it connected to the Dual GPS it will follow along and give me our position on the Jepp charts, or on my Wing X when I'm flying in the U.S.
I got the AT&T iPad just for the internal GPS. I don't need the WiFi so I never turned it on.