On October 26–November 1, the NATO Baltic Air Defence Detachment was alerted three times in response to violations of international flight regulations.
On October 28 NATO fighter aircraft conducting the NATO Air Defence Mission in the Baltic states intercepted one SU-24M flying from mainland Russia to Kaliningrad via international airspace. It had no pre-filed flight plan, the onboard transponder was switched off, the crew was not maintaining radio communication with the regional air traffic control center. NATO fighter aircraft also identified and escorted one AN26 flying through international airspace from Kaliningrad to mainland Russia. The crew had no pre-filed flight plan, but kept the onboard transponder on and maintained radio communication with the regional air traffic control.
On October 29 NATO fighter jets were dispatched to verify an unidentified target.
On October 30 NATO fighter aircraft identified and escorted one SU-24M flying through international airspace from mainland Russia to Kaliningrad without the flight plan, not maintaining radio communication with the regional air traffic control, and with its onboard transponder switched off.