Overview

• Estonia said three Russian MiG-31 fighters entered its airspace for about twelve minutes on September 19.
• Officials reported the jets had no flight plan, their transponders were off, and there was no radio contact.
• Tallinn summoned Russia’s senior diplomat to lodge a formal protest over the breach.
• No Estonian or NATO fighters engaged the aircraft, with the incident monitored under elevated readiness measures.
• Estonia noted this was the fourth airspace violation this year, following a spate of Russian-origin drone incursions into Poland earlier this month.