WSJ ($) (September 23, 2024) American Airlines Capt. Dan Carey knew his cockpit equipment was lying to him when an alert began blaring “pull up!” as his Boeing 777 passed over Pakistan in March—at an altitude of 32,000 feet, far above any terrain.
The warning stemmed from a kind of electronic warfare that hundreds of civilian pilots encounter each day: GPS spoofing. The alert turned out to be false but illustrated how fake signals that militaries use to ward off drones and missiles are also permeating growing numbers of commercial aircraft, including U.S. airlines’ international flights.
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