6,000 planes affected by software failure. As reported by the New York Times, passengers on Flight 1230 were probably asleep two and a half hours after taking off from the Mexican resort when they were suddenly awakened by a sharp drop in altitude. When the unwanted aerobatic maneuver ended, 15 or more passengers were taken to hospitals in Tampa, where JetBlue pilots managed a successful emergency landing. JetBlue representatives said the plane was taken out of service for inspection!
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There are occasional accidents in commercial aviation, along with the rare disasters. For the flying public, reports of these accidents are frequent enough that a news story like this can be safely shelved until a broader pattern emerges. Understandable, if that were the end of the story, especially given that it has been Boeing aircraft that have been subject to unwanted thrills of this kind since the 737 Max.
The aircraft involved in this JetBlue flight was an Airbus, considered less susceptible to what an FAA in February 2024 called “gaps in Boeing’s safety track record.”
The Times consistently reported the results of this research in a story they published on November 28, 2025.The story, adapted in part from an Airbus press release, began with: The European aircraft manufacturer said a recent incident showed that “intense solar radiation can corrupt data critical to the operation of flight controls.” The impact on the Airbus A320 fleet and the airlines that have deployed them would be widespread.
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Possibly 6,000 aircraft could be affected, with some requiring hardware changes, the Times reported after studying the extent to which the A320 has been selected by airlines worldwide. That is a significant impact,. In most cases, the problem can be addressed relatively quickly by rolling back to a previous software version.
The Airbus A320, a fly-by-wire aircraft with a greater reliance on computers, was designed during an era when this phenomenon was well understood in the aeronautical engineering community. As software engineers at the time would have understood, dealing with SEUs would require hardware and software features. ECC memory, for example. Logic checks, too, in case a flipped bit would produce out-of-bounds instructions.
One estimate suggested that more than 3,000 A320s were in the air at the time of Airbus’s announcement. Imagine those passengers on November 28, many equipped with in-flight WiFi, reading about this software vulnerability and mentally recalculating their security calculations.
Beyond the exaggerated discussions about “solar radiation” or “cosmic rays,” there is a serious discussion about the software development life cycle (SDLC) that needs to happen at Airbus.
Omissions in any of the areas of the SDLC create opportunities for malware, a nightmare scenario for avionics.
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Managing the entire A320 feature set, or even its hardware and software bill of materials (SBOM/API-BOM), is a non-trivial undertaking. Consider that it is a product launched in 1987 with the need to support legacy hardware and software across a large installed base. Both complexity and specialization will steadily move towards greater opacity, challenging efforts for traceability, transparency and manageability.
