XPMorten
FYI, survey's show that between 10-25% of all mobile phones brought on board acf are not switched off during flight.
That's a whole lot of phones and landings each day
worldwide without any sign of problems..
Well ..... there have been various reports of problems that might be attributed to cellphones actually.
The thing is ...... whilst they may *generally* not present a problem all it needs is that 'one in a million' event and then you have a real problem. Unfortunately it's entirely unpredictable.