Originally Posted by
GUWonder
I'd have to double check on some of the following, but using handheld electronics, of the sort you mentioned above, on the ground seems not to be prohibited by the FAA prior to take off and is generally not prohibited after landing -- speaking of domestic US flights.
You can use your gadgets until they shut the doors and prep for take off and after landing and doors have opened.
On every flight I've been on in the past I have yet to see anyone follow those rules. Most will turn them off sometime while taxiing out or soon after touch down.
/E