Aircraft carrying airline passengers have been experiencing “severe” GPS spoofing over Delhi for the past week, causing false navigation data such as incorrect aircraft positions and misleading terrain warnings, according to pilots and air traffic control sources.

“The DGCA is seized of the matter,” a top government official said, adding that they were enquiring into the incidents.

Such incidents have been reported within a 60‑nautical‑mile radius of Delhi over the past week, according to an air traffic controller. Another ATC official said the disruptions often required manual intervention, with controllers providing direct navigation guidance to cockpit crew.

A pilot with a leading airline said he had encountered GPS spoofing on all six days he operated flights last week. During one a

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