On May 26 the NATO Air Policing Detachment was alerted to intercept two SU-24 flying out of and back to Kaliningrad via international airspace with the onboard transponder switched off, no flight plan provided in advance, and not maintaining radio communication with the regional air traffic control centre.
On May 27 NATO fighter aircraft identified and escorted two SU-30 and one TU-142 heading through international airspace from the mainland of the Russian Federation to Kaliningrad. The aircraft had their onboard transponders switched off and no flight plans, the crews were not maintaining radio communication with the regional air traffic control centre.
On May 27 NATO fighter jets intercepted two SU-27 flying through international airspace between two locations in Kaliningrad, and one TU-142 which was flying between two locations of the mainland of the Russian Federation via international airspace. None of the aircraft had the onboard transponders on, the flight plans, nor kept communication with the regional air traffic control centre.
On May 27 NATO air policing air assets scrambled in response to two SU-27 flying through international airspace from Kaliningrad and back, and one TU-142 flying from and back to the mainland of the Russian Federation via international airspace. None of the aircraft had the onboard transponders on, the flight plans, nor kept communication with the regional air traffic control centre.
On May 28 NATO fighter aircraft identified and escorted one SU-24MR and one SU-33 flying from mainland Russia and back with their onboard transponders switched off, no flight plans, and no radio communication with the regional air traffic control.
On May 28 NATO air policing jets were intercepted two SU-24M flying from and back to Kaliningrad via international airspace. Their onboard transponders were turned off, the crews had no flight plans and were not maintaining radio communication.
On May 29 NATO fighter aircraft were alerted by two SU-24M which flew out of and then back to Kaliningrad, without using the onboard transponders, no flight plan, not maintaining radio contact with the regional air traffic control centre.
On May 30 NATO air policing fighter aircraft identified and escorted two SU-30SM flying through international airspace from Kaliningrad and back with their onboard transponders switched off, no flight plans, and not maintaining radio communication with the regional air traffic control centre.
On May 30 air policing jets were scrambled in response to one SU-24MR and one SU-33 flying in international airspace from a location in the mainland of the Russian Federation to international airspace and back to mainland Russia. Neither of the aircraft had their onboard transponders switched on, nor flight plans, neither of the crews was maintain radio communication with the regional air traffic control centre.
On May 31 NATO fighter aircraft were scrambled to intercept two SU-30SMs flying through international airspace from Kaliningrad and back. Their onboard transponders were switched off, no plans had been pre-filed and the crews were not maintaining radio communication with the regional air traffic control centre.
On May 31 NATO air policing jets intercepted one SU-24 and one SU-30 flying through international airspace between locations in mainland Russia. Neither of the aircraft had the onboard transponder switched on, nor the flight plans, and were not maintain radio communication with the regional air traffic control centre.
On June 1 the NATO Air Policing Detachment were scrambled to intercept one SU-24MR and one SU-33 flying from the mainland of the Russian Federation through international airspace. The aircraft had their onboard transponders turned off, no flight plans, and were not maintaining radio communication.
