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NATO intercepts two Russian Su-30S aircraft flying from Kaliningrad without transponders, flight plans or radio contact.

NATO Baltic Air Policing aircraft were alerted on 22 May to identify and escort two Russian Su-30S fighter aircraft flying from Kaliningrad and back through international airspace. Lithuania’s Ministry of National Defence reported that the aircraft had their onboard transponders switched off, had no pre-filed flight plans, and were not maintaining communication with the regional air traffic control centre. This means the incident should not automatically be described as a confirmed sovereign airspace breach, but it is clearly a violation of normal international flight-safety procedures. The aircraft type is important: the Su-30S is a combat aircraft, not a transport or civilian platform, so its presence near NATO borders carries a sharper military-signalling function. Kaliningrad’s role also increases the strategic relevance because it is a heavily militarised Russian exclave surrounded by NATO and EU territory. Such flights force NATO to activate air-policing procedures, test reaction times and maintain high readiness along the Baltic flank. The lack of transponders, flight plans and radio communication increases the risk of miscalculation in a crowded airspace environment. In hybrid-warfare terms, the incident represents coercive military probing below the threshold of direct confrontation.

Occurrence

2026-05-22

Publication

2026-05-22T18:46:15Z

First observed

2026-09-24T06:09:10.079Z

Review status

Not assessed

Countries

LT

Updated

2026-09-27T23:56:59.668Z