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AIRLINERS could be brought down by terrorists using modified versions of almost any personal electronic equipment, a security expert has warned. He says passengers should be barred from carrying any electronic gadgets onto aircraft until planes are able to detect them.

Chet Uber, a technology expert at Security Posture in Omaha, Nebraska, says devices such as radios, tape recorders, CD players, PDAs and laptop computers could easily – and invisibly – be adapted to cause potentially catastrophic interference with an aircraft’s control systems.

While it has been known for some time that cellphones and laptops can cause low-level interference, no airline monitors…

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