On May 16 – 22, fighter aircraft conducting the NATO Air Policing Mission in the Baltic states were scrambled 4 times to patrol the Baltic airspace border with the Russian Federation and Belarus and to intercept military aircraft of the Russian Federation in the international airspace over the Baltic Sea that were flying in violation of international aviation flight rules.
On May 18 the NATO Air Policing Mission fighter detachment jets safeguarding the Baltic airspace were conducting patrols by the airspace border with the Russian Federation and Belarus.
On May 18 NATO fighter aircraft intercepted one SU-27 flying from and back to Kaliningrad with its onboard transponder switched off, without the flight plan, not maintaining radio communication with the regional air traffic control centre.
On May 18 NATO fighter jets also intercepted another SU-27 flying from and back to Kaliningrad with its onboard transponder off, without the flight plan and not keeping radio communication.
On May 18 NATO fighter aircrafts intercepted one IL-20 and two SU-27s flying from the mainland of the Russian Federation to Kaliningrad. The IL-20 was flying without using the onboard transponder, without a pre-filed flight plan, maintaining radio communication with the regional air traffic control centre. The two SU-27 were flying from and back to Kaliningrad – without the onboard transponders, without the flight plans, and without maintaining the radio communication.