Two Russian Su-35S fighters collide in Kursk region
What happened
Two Russian Su-35S fighter jets reportedly collided over Kursk Oblast on September 7, according to Russian military Telegram channel Fighterbomber. The incident occurred at approximately 16:27 UTC. Neither the cause of the collision nor details of casualties or damage have been disclosed in the available reporting. The Su-35S is Russia's most modern air superiority fighter currently in operational service.
Context and assessment
The collision occurs amid sustained Russian air operations across the conflict zone. On the same day, Ukrainian air defenses reported intercepting 71 drones from a Russian barrage of 92 unmanned aircraft, indicating continued high tempo of Russian aerial activity. Combat aviation losses from accidents and mechanical failures, distinct from enemy action, typically increase when operational tempo rises and maintenance challenges mount. Kursk Oblast, located deep within Russian territory north of the Ukrainian border, hosts multiple Russian military airbases supporting operations in Ukraine. Such incidents may reflect stress on Russia's air force infrastructure or pilot fatigue levels during extended campaigns.
Sources and confidence
Reported solely by Fighterbomber, a Russian military-aligned Telegram channel, via ClashReport. Single-source reporting limits verification. Confidence of 7.0 reflects the source's military affiliation and typical reliability on Russian domestic incidents, though absence of cross-confirmation from independent observers or Ukrainian sources constrains certainty. Additional Russian official statements or independent satellite imagery would substantially raise confidence.
Location
Kursk Oblast, a region in southwestern Russia bordering Ukraine's Sumy and Chernihiv oblasts. The coordinates indicate the approximate center of the regional area rather than a precise incident site. Kursk hosts major Russian air bases including Kursk Air Base, which operates fighter squadrons supporting ongoing operations. The region lies approximately 120 kilometers north of the active combat frontline.
Related events nearby
- Ukrainian air-raid monitoring reports Russian jet-powered Shahed-136 drones (reaktivy) detected in transit fro2026-09-08 00:31 UTC · Drone Transit · Kursk Oblast, Russia (launch/transit origin)
- Ukrainian air-raid monitoring alerts to threat of Russian Iskander or S-400 ballistic missile launches from Ku2026-09-07 21:24 UTC · Ballistic Missile · Kursk Oblast, Russia
- Ukrainian air-raid monitoring reports Russian jet-powered (reaktivnyi) Shahed drones detected transiting from 2026-09-07 21:29 UTC · Drone Transit · En route: Kursk Oblast → Sumy Oblast, Ukraine
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Intel Mapper aggregates open-source reports from monitored Telegram and X channels, geolocates them, cross-checks duplicates across sources and assigns a confidence score. Entries are updated as new confirmations arrive. Read how we verify events.