An RAF jet carrying UK Defence Secretary John Healey experienced GPS and navigation signal jamming near the Russian border on Sunday [1, 2, 3].

The incident highlights the escalating use of electronic warfare in the Black Sea region and the risks posed to high-ranking government officials. By disrupting satellite navigation and communications, the interference created a potential safety hazard for the aircraft and its passengers.

The disruption occurred on May 24, 2026, while the aircraft was returning from Estonia [1, 2, 3]. According to reports, the signal interference lasted for nearly three hours [3]. The jamming affected the jet's ability to maintain standard satellite-based navigation and communication links as it flew close to the Russian border [1, 2, 4].

UK officials have identified the source of the interference as Russian electronic warfare capabilities. A defence source said the action was "reckless" interference [2]. The source said the jamming was a deliberate attempt to disrupt the flight's systems.

While the RAF jet continued its journey, the event underscores the volatility of the airspace surrounding Russia. The use of electronic jamming is a known tactic used to blind radar and GPS systems, but targeting a flight carrying a cabinet minister represents a significant escalation in signal warfare.

Defence officials have not yet detailed the specific impact on the aircraft's flight path or whether backup navigation systems were required to ensure a safe landing. The UK government has not announced formal diplomatic sanctions in immediate response to the event, though the incident has been documented as a breach of aviation safety norms [1, 2].

"reckless" interference

This event signals a shift in Russian electronic warfare tactics, moving from general regional jamming to the targeting of specific, high-value assets. By interfering with the flight of a Defence Secretary, Russia demonstrates its ability to disrupt strategic communications and navigation in real-time, serving as a grey-zone provocation that stops short of kinetic conflict but increases the risk of mid-air accidents.