GAO: 76% of US air traffic control systems unsustainable, still on floppies and Win95
MartinGTobias · x · 2026-11-14
A GAO assessment found the US air traffic control system relies on 30-50 year old legacy infrastructure: of 138 core systems, 51 (37%) are rated unsustainable and another 54 (39%) potentially unsustainable due to scarce replacement parts and retiring technicians. Active towers and radar centers still use paper flight strips, Windows 95 machines, and floppy disks for critical weather and flight data, with much of the network on deteriorating copper rather than fiber. The author notes this is exactly why hackers target such systems, and utilities aren't much better.
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