Commercial flights near the Russian border are increasingly encountering GPS signal disruptions attributed to deliberate jamming activities, raising concerns about aviation safety and operational challenges. The issue gained renewed attention after an RAF aircraft carrying the UK Defence Secretary, John Healey, experienced GPS interference close to the Russian-Estonian frontier last week.

According to publicly available flight data, around 80 commercial flights in the vicinity have reported irregularities with their onboard GPS systems, suggesting the presence of intentional jamming signals broadcast near the Russian border. Such jammers emit signals that overpower legitimate satellite communications, causing failures in navigation systems critical for accurate route tracking and landing procedures.

This phenomenon is part of a broader and growing problem affecting an extensive region, stretching from the Baltic Sea through to the Horn of Africa, according to a Whitehall cyber-security official. The source indicated that increasing global conflicts and military strategies aimed at countering GPS-guided drones and missiles have contributed to the rise in jamming incidents. For commercial aviation, these disruptions can lead to flight diversions or, in extreme cases, unscheduled landings, as pilots must rely on alternative navigation aids such as paper charts.

Between 2021 and 2024, more than one million flights globally reported GPS interference, underscoring the scale of the challenge. Last year, a high-profile example involved an aircraft carrying European Commission President Ursula von der Leyen, whose GPS signal was disrupted during the approach to Bulgaria, necessitating manual navigation to complete the landing safely.

While the military justification for such jamming includes defense against guided threats, its impact on civilian air traffic introduces a complex safety dimension. Airlines are increasingly required to implement contingency procedures to manage potential GPS outages, and aviation authorities continue to monitor and assess the risk posed by these electronic disruptions along key air corridors.