On April 1–7 the NATO Air Policing Mission fighter aircraft were scrambled twice to intercept aircraft of the Russian Federation violating flight rules in international airspace over the Baltic Sea.
On April 4 NATO Air Policing Detachment fighter aircraft were scrambled to identify and escort one IL-20 flying in international airspace from mainland Russia to Kaliningrad. It had no pre-filed flight plan, its onboard transponder as switched on, the crew was maintaining radio communication with the regional air traffic control centre.
On April 6 NATO fighter jets intercepted one IL-20 flying from Kaliningrad into international airspace and back. It had no prefilled flight plan, its onboard transponder was on, the crew was not maintaining radio communication.