On January 27 NATO fighter aircraft intercepted one IL-20 flying from the mainland Russia to Kaliningrad in international airspace over the Baltic Sea. The crew kept the onboard transponder on and maintained radio communication with the regional air traffic control centre but had no pre-filed flight plan.
On January 28 NATO air policing fighter jets intercepted one IL-20 flying through international airspace over the Baltic Sea from one location in Kaliningrad to another. It onboard transponder was switched off, the crew had no flight plan and was not maintaining radio communication with the regional air traffic control centre.
On January 30 NATO fighter aircraft were scrambled to intercept one AN-148 flying in international airspace from mainland Russia over the Baltic Sea to Kaliningrad. Its onboard transponder was switched on, the crew had no pre-filed flight plan but was maintaining radio communication with the regional air traffic control centre. NATO fighter aircraft also intercepted one IL-20 flying in international airspace from Kaliningrad and back. Its onboard transponder was switched off, it had no flight plan and was not maintaining radio communication with the regional air traffic control centre. On January 31 NATO fighter jets were scrambled to intercept one IL-20 flinging international airspace over the Baltic Sea from Kaliningrad to mainland Russia. Its onboard transponder was switched off, the crew had not pre-filed the flight plan and was not maintaining radio communication.