The story so far: In early November, aircraft flying over Delhi encountered GNSS spoofing or manipulated Global Navigation Satellite System signals, catching pilots off guard as there had been no prior warning of such activity. Such interference is rare, barring at India’s border regions or conflict zones. The government has since ordered an inquiry under the National Security Adviser Ajit Doval-headed National Security Council Secretariat (NSCS).

Also Read | Airlines report ‘severe’ GPS spoofing over Delhi for 7 days

Is it a recent occurrence?

Aircraft flying over Delhi reported incidents of GNSS spoofing. These counterfeit signals cause erroneous navigation data in the cockpit, including incorrect aircraft positions and terrain warnings. An Air India pilot told The Hindu that he e

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