Check out their antenna -

http://radiomagonline.com/codecs/radio_air_air/

''About 20 minutes into the test the captain of the Lufthansa flight approached Worrall demanding that he turn off the equipment. Passengers were complaining that they couldn't get on the Internet. The captain assumed it was Worrall's equipment causing the problem. In reality, the flight crew had failed to clear the system's credit-card authorization cache following the plane's previous flight. Each time a plane lands the flight crew must push a button that clears everything in the queue that is Internet-related. The crew had failed to do that.''

gota clear that cache - rotf

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