Cases of GPS jamming, which is when strong radio signals drown out or interfere with satellite navigation systems, have surged since 2022, after Russia launched its full-scale invasion of Ukraine.
In Estonia, Haug says that wherever a pilot reports the GPS navigation system is down, air traffic controllers stay on high alert, tracking the flight closely to make sure it doesn’t deviate from its planned route.
While Estonia’s Foreign Minister Margus Tsahkna has accused Russia of violating international regulations as part of its “hybrid” warfare, Marek Kohv, a Tallinn based security expert, says the jamming is likely “collateral damage.”
Dark red and purple sections cover parts of Estonia, while a large area around St. Petersburg, Russia, is shaded, along with the Russian city of Pskov, which lies further south.
In the fall of last year, OPSGROUP, an aviation advisory body, highlighted a surge in GPS spoofing around the Middle East, including Iraq, Iran and Israel and the Black Sea.
In January, the International Air Transport Association (IATA), along with the European Union Aviation Safety Agency (EASA) organized a meeting in Germany that included airlines, manufacturers and regulatory bodies to try and address the growing problem.
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