On May 14-20 NATO fighter aircraft conducting the Air Policing Mission in the Baltic states were scrambled five times to intercept military aircraft of the Russian Federation in international airspace over the Baltic Sea.
On May 14 NATO Air Policing fighter aircraft intercepted one IL-20 flying from the mainland of the Russian Federation to Kaliningrad. The aircraft had a flight plan, radio communication with the regional air traffic control centre was kept, its onboard transponder was switched off.
On May 14 NATO aircraft intercepted two SU-24s flying from mainland Russia to Kaliningrad. The SU-24s did not use onboard transponders, did not have flight plans, and did not keep radio contact.
On May 15 NAT fighter aircraft intercepted one AN-124 flying from Kaliningrad to mainland Russia. Its onboard transponder was on, the crew kept radio contact with the regional air traffic control centre and had the flight plan.
On May 17 NATO fighters intercepted one IL-20 flying from Kaliningrad to mainland Russia according to a flight plan and maintaining radio communication but with its onboard transponder switched off.
On May 17 NATO Air Policing fighter aircraft intercepted one An-72 flying from mainland Russia to Kaliningrad. The crew had the flight plan, kept radio contact, and used onboard transponder.