Gary Marcus ties FAA's new nationwide AI routing tool to the timing of the nationwide ground stop
GaryMarcus · x · 2026-11-14
In a Substack essay, Gary Marcus lays out the timeline: three days before the nationwide FAA ground stop, the FAA announced rolling out its AI flight-routing tool (SMART) nationwide, claiming one flight saved 42 minutes amid safety and oversight concerns. On Nov 13 the nationwide ground stop hit, canceling all United flights at EWR. Marcus recalls his 2022 warning, when an avionics developer replied that formal-methods software never lets deep learning near it — unless regulators got 'innovative'. He doesn't claim causation (CBS points to an L3Harris comms-network update reboot; a big Microsoft outage also hit this week) but argues none of it should surprise us.
Related event: FAA Nationwide Ground Stop Sparks AI Blame Debate(15 posts)→
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