No electronic medical equipment or aircraft avionics would be certified for use if there was any chance that their operation could be affected by mobile phone use
Really? What about the thousands of aircraft still flying, which have been around since mobiles were but a twinkle in Mr Nokia's eye?
Is your 'phone call really worth the risk of someone's hospital treatment being compromised, or an aircraft being put in danger?
Don't be selfish, TURN THEM OFF.