I wouldn't have thought that it was in flight, due to the fact it was on the runway or taxiing.
Unless during the transition at rotation when the main wheels are on the ground and the nosewheel is in the air and the wings are producing lift, the Captain has the opportunity to open a side window and bomb the piano keys with aformentioned Al-Queda mobile phone super bomb.
It would appear Jobs worths and The Big Bad Al have won again.