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Originally Posted by Iowa_Flames_Fan
Also, if cell phones didn't work on planes, why would they continually tell us not to use them?
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Cowperson, above, has some good FAA links on their policy towards cell phones, they clearly do work at lower altitudes reliably.
i've been on flights where they've asked the passengers to turn off the phones, maybe it potentially interferes, maybe not. they do interfere with hospital equipment i think.
a lot of planes are still built with 1960s technology and the hull acts as a large antenna, so conceivably a sizable chunk of the transmission gets into the airframe and whatever old-school electric controls are there. planes are madeto take lightning strikes, so i'm not sure how much damage a 6-watt cell transmission can do.
i assume that it's possible that cell phones can interfere with flight controls, which is why the FAA has been leary of their use in the past.