Regulations and Government
GPS Interference Testing Encompasses Southwestern U.S.
Phenom 300s advised to avoid testing area due to effect on geo-dependent stability systems.

A sweeping flight advisory issued this week advises "all aircraft relying on GPS" of interference testing across most of the Southwestern U.S. and the California coast throughout this month, and specifically warns operators of one light jet—the Embraer Phenom 300—to avoid the area entirely while tests are under way.


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