You're flying IFR and need to reference your approach plate, weather updates, or ForeFlight without taking your hands off the yoke. A loose tablet rattling around or sitting in your lap isn't an option. This mount locks your iPad exactly where you need it, eliminating fumbling and keeping your scan where it belongs.
Buy: https://www.google.com/search?q=RAM%20Mounts%20Universal%20iPad%20Air%20Yoke%20Clamp%20Mount