Solar Storms Ground Flights: The Airbus ELAC System Explained
Solar Storms Disrupt Flights: Airbus ELAC System

Air travel across the globe faced significant disruptions, with the culprit traced back to an unexpected source: intense solar activity. The phenomenon adversely interacted with critical aircraft electronics, specifically systems like the one onboard Airbus aircraft, leading to potential navigation and control issues.

What is the ELAC System and Its Role?

The Electronic Flight Control System, often referred to by components like ELAC (Elevator Aileron Computer), is a cornerstone of modern Airbus aircraft. This sophisticated system translates pilot commands into electronic signals that move the flight control surfaces. However, its advanced digital nature also makes it potentially susceptible to external interference from powerful solar radiation.

How Solar Storms Create Aviation Chaos

When the sun emits intense bursts of radiation, it can create a phenomenon known as a solar storm. These storms bombard the Earth with highly charged particles. For aviation, this is not just a distant astronomical event. This intense solar radiation can interact adversely with a flight's electronic systems, creating electromagnetic interference. This interference has the potential to disrupt crucial systems like navigation and flight control, posing a significant safety risk and leading to the widespread flight cancellations and delays witnessed.

The Aftermath and Industry Response

The incident, reported on 29 November 2025, has forced the aviation industry to re-evaluate the resilience of its technology against space weather. Airlines and manufacturers are now urgently investigating the precise mechanisms of the disruption and developing mitigation strategies. This event underscores a growing challenge: as aircraft become more technologically advanced, their vulnerability to natural phenomena like solar storms increases, demanding new protocols and robust system designs to ensure passenger safety in an interconnected world.