Falcone’s LightSquared Disrupts Plane Safety Gear in U.S. Tests

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Philip Falcone’s LightSquared wireless service disrupts safety equipment that uses the global-positioning system to help keep airliners from crashing into the ground, U.S. officials said.

LightSquared’s signals caused “interference with a flight safety system designed to warn pilots of approaching terrain” in government tests of the proposed network, according to a statement from the Defense and Transportation departments distributed yesterday by e-mail.