For all those that think electronic gadgets cannot interfere with avionics...
Airlines ordered to replace 1,300 Boeing cockpit displays over Wi-Fi interference
http://www.chicagotribune.com/busine...html?track=rss
" The FAA said the display units were susceptible to interference from Wi-Fi frequencies. Independent tests conducted by the agency and Boeing showed blanking on the screens when Wi-Fi devices were used near them.
The displays also are susceptible to transmissions from mobile phones, weather radar and mobile satellite communications, the FAA said."