If the FAA is fine with me sitting in the left seat with an iPad strapped to my knee, within a foot of the avionics, it's baffling that there would be an issue with passenger flights.
a) How many passengers are in your plane? I doubt this would be approved for Part 121 or Part 135 travel.
b) If something goes wrong with your avionics, you can turn off the iPad. If something goes wrong on an airliner, the pilot can't quite as easily figure out whose iPad is causing the trouble.
If the FAA is fine with me sitting in the left seat with an iPad strapped to my knee, within a foot of the avionics, it's baffling that there would be an issue with passenger flights.