On September 16 fighter aircraft of the NATO Baltic Air Policing Detachment were dispatched to patrol the Gulf of Finland and safeguard against two potentially incoming MIG-31 of the Russian Federation. The suspected Russian aircraft were identified by the Finnish control and reporting centre as an Aeroflot liner keeping a radio contact with the regional air traffic control centre of Tallinn, the NATO aircraft were notified and the scramble status was changed from alert to training.
On September 20 NATO fighter aircraft were scrambled to identify and escort one SU-30 flying via international airspace from Kaliningrad and back, it had no flight plan, the onboard transponder was switched off and radio communication was not maintained.
On September 20 NATO fighter jets identified and escorted one SU-30 which flew into international airspace from Kaliningrad and then returned. It had no pre-filed flight plan, the onboard transponder was switched off, the crew was not maintaining radio communication.
On September 21 NATO fighter aircraft were scrambled to intercept four SU-30-SM and one SU-35 flying from Kaliningrad to mainland Russia through international airspace, without the flight plans, not maintaining radio communication, with their onboard transponders switched off.
On September 22 NATO fighter jets were scrambled to identify and escort five MIG-31 in international airspace, flying from Kaliningrad to mainland Russia, without the flight plans, with onboard transpondesr switched off, not maintaining radio communication.
Apart from that, on September 17NATO fighter jets were also scrambled to identify and uncertain aerial object crossing the border from Belarus to Latvia which was identified as a flock of birds and the alert scramble status was changed to training.