On April 15 NATO Baltic Air Policing fighter aircraft were scrambled to conduct patrolling over the Baltic Sea.
On April 15 fighter aircraft conducting the NATO QRA mission were scrambled to intercept one IL-76 and one IL-20 flying in international airspace from mainland Russia to Kaliningrad. The IL-20 aircraft had no flight plan, its onboard transponder was switched off, the aircraft kept radio communication with the regional air traffic control centre. The IL-76 had no pre-filed flight plan, its onboard transponder was on, the crew kept radio communication with the regional air traffic control centre.
On April 16 NATO fighter aircraft were scrambled to intercept two SU30SM flying in international airspace from Kaliningrad and back, without the flight plans, onboard transponders off, not maintaining radio communication.
On April 18 NATO fighter aircraft were scrambled to intercept one SU-27UB and one IL-20. The SU-27UB was flying in international airspace from mainland Russia to Kaliningrad. It had no pre-filed flight plan, its onboard transponder was off, the crew was maintaining radio communication with the regional air traffic control centre. The IL-20 was flying from Kaliningrad and back without a pre-file flight plan, without using the onboard transponders, but maintaining radio communication with the regional air traffic control centre.
On April 19 NATO fighter jets intercepted one IL-20 flying in international airspace without the flight plan, its onboard transponder was off, the crew maintained radio communication with the regional traffic control centre.
