Originally Posted by afa
As many have long suspected, the FAA does not really have any sound basis for their claims that using devices mid-flight could cause problems.
And, of course, there was the whole contradiction between not allowing passengers to use iPads, but pilots were using it in place of printed manuals.
The problem is that no airline can determine what devices will cause problems -- make no mistake, some electronic devices can interfere with radio communication. Rather than test and certify personal electronics, they ban all of them. It's common sense.