On February 24 NATO fighter aircraft identified and escorted one AN-26 flying in international airspace from Kaliningrad to the mainland of the Russian Federation, with its on-board transponder but without the pre-filed flight plan and not maintaining radio communication with the regional air traffic control centre.
On February 25 NATO fighter jets were scrambled to intercept one SU-24MR flying through international airspace from Kaliningrad and back, with its on-board transponder switched off, no flight plan and without maintaining radio communication with the regional air traffic control centre.
