On May 29 aircraft of the NATO Baltic Air Policing Mission Detachment were scramble to identify and escort one IL-18 flying from the mainland of the Russian Federation to Kaliningrad via international airspace. The IL-18 had a pre-filed flight plan, its onboard transponder was switched on and radio communication with the regional air traffic control centre was maintained.
On June 1 NATO fighter aircraft were scrambled to intercept one SU-24 flying from the mainland of the Russian Federation to Kaliningrad through international airspace. It had no pre-filed flight plan, the onboard transponders was switched off, the crew was not maintaining radio communication with the regional air traffic control centre.
On June 2 NATO fighter aircraft were scrambled to identify and escort one SU-34 flying from mainland Russia to Kaliningrad via international airspace, without the flight plan, onboard transponder switched off, not maintaining radio communication with the regional air traffic control centre.
