For respective months, aviation in the Baltic Sea region has been struggling with GPS signal interference**. As we described on the pages of CyberDefence24, the problems [are most likely caused by Russian troops stationed in the Königsberg Oblast](https://cyberdefence24.pl/armia-i-sluzby/zaklocenia-gps-w-polsce-jakiego-sprzetu-moze-uzywac-rosja). The consequence is not only crew problems – airlines [Finnair were forced to suspend flights](https://cyberdefence24.pl/technologie/zaklocenia-systemow-gnss-linie-odwoluja-loty-instytut-lacznosci-komentuje) to the Estonian city of Tartu.