How the sun’s bad weather is causing flight chaos

Published May 22, 2025, 10:23 PM

A mysterious GPS glitch has grounded flights worldwide, with Jetstar cancelling some due to system faults. NASA warns solar flares may be to blame.

For more, aviation expert Richard de Crespigny joins.

There are serious concerns this morning for air travelers, with flights being grounded around the world due to a mysterious GPS glitch. Jetstar has been forced to delay and cancel flights after fault messages started appearing on their most advanced planes. All of this comes after a warning from NASA about soul of flares, which is a burst of radiation from the Sun that can knock out satellites and communications. For more, we're joined by aviation expert Richard D. Krepnig warning to you, So, the soul of flares are affecting the computers, is this right?

That's right, nat The Earth is having bad weather at the moment. While the Sun every eleven years, the magnetic field flips. It causes pimples on the face of the Sun, radiation and very high intensity and it overcomes or jams the GPS signals that comes to Earth. And so this is actually predictable. But this is what's happening. It's the Sun jamming.

GPS, wow, hitting Jet Stars' newest models mostly Well.

Well, that's right, but to be fair, the GPS inputs to about sixteen different systems on the airplane, even the clock you don't want to get a clock out of sync on an aircraft. These days, the navigation, your inflight entertainment communications all depend on the GPS, and the GPS requirements are so much higher in an aircraft than your car. So when there's interference or jamming, the aircraft says, not happy jam let's stop, let's reset it, let's fix it before we go. It's super sensitive because you can't have these systems crashing and that's the outcome. Maybe they need to tweak it a little bit to make it more resilient, but at the moment, the systems maybe overreacting to the intense jamming that's going on.

So is it safe to fly?

It is safe to fly because the GPS really just updates other systems. If the GPS turns off, the other systems takeover and it's still accurate. It's still still safe.

It's just a real headache for the airlines.

It's a headache and it means flight entertainment may not work, but the aircraft will navigate and fly safely. You are safe. It's just not perfect. But this is our cycle we go through every eleven years, and this is predictable.

Interesting, Okay, thank you, For the update, Richard here, Servo

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