Frederick, MD – The Aircraft Owners and Pilots Association (AOPA) and the General Aviation Manufacturers Association (GAMA) strongly urge the Federal Communications Commission (FCC) to recall the conditional waiver granted by the International Bureau on January 26, 2011 to LightSquared Subsidiary Inc. (LightSquared), recall LightSquared’s underlying Ancillary Terrestrial Component and commence a rulemaking to ensure that future proposed service using the Ancillary Terrestrial Component adequately protects Global Positioning System (GPS) and that such use receives concurrence from the Federal Aviation Administration (FAA) and Department of Defense.
The two associations, participants in the technical working group through their representatives on the Program Management Committee (“PMC”) of RTCA, Inc., stated in the joint filing that LightSquared has “entirely failed” to solve interference problems, which threaten the future of a GPS-based air traffic system – and no technology exists to provide a remedy.
"It is clear that LightSquared threatens the FAA’s multi-billion dollar investment in the NextGen satellite-based air transportation system and the thousands of jobs that will be created as a result," said GAMA's President and CEO Pete Bunce. "The safety of general aviation and the traveling public relies on a secure and reliable GPS network. LightSquared’s revised proposal fails to protect aviation use of GPS. It must be rejected to allow the aviation industry to modernize and grow."
"The evidence is clear: LightSquared's proposal puts the entire GPS system at risk," said AOPA President and CEO Craig L. Fuller. "Study after study has shown that LightSquared's plan is simply ‘incompatible’ with GPS. At the same time, the company's proposed solutions rely heavily on technology that doesn't exist. That's why we are joining with GAMA to ask the FCC to revoke LightSquared's waiver immediately, and to begin a rulemaking process that will protect the integrity of the GPS system into the future."
LightSquared, after the adverse test results emerged, acknowledged the problems, but blamed the present conflict on past GPS designs. The company publicized an offer of a six-month “standstill” period -- while also insisting that modification of existing and future GPS receivers to filter out extraneous signals be part of the solution.
AOPA and GAMA characterized LightSquared’s counterproposal as “extremely far-fetched in the aviation context.”
LightSquared “assumes that suitable filters will soon become available. No evidence suggests that will be the case. Absolutely no filters exist today that can reliably protect GPS from LightSquared interference,” wrote Melissa Rudinger, AOPA senior vice president, and Jens Hennig, GAMA vice president of operations. The FAA’s own impact statement concluded that “no realistic chance exists that a suitable interference solution can be invented, qualified for aviation use, and certified for installation across the fleet in less than ten to fifteen years,” they said.
Given the threats to the GPS-based Next Generation Air Transportation System (NextGen) from the LightSquared network proposal, and technological hurdles to a solution, offering a six-month standstill “is really no offer at all,” they said.
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