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Security · High impactFan score 2 · Tier D19 sources715 comments in the community

ASI, developer of AI tool SMART, says the FAA outage "is not based on or a result of the SMART system, any product of ASI, or our integration with FAA and ATC" (Asi/@airspaceintel)

Techmeme ·

ASI, developer of AI tool SMART, says the FAA outage "is not based on or a result of the SMART system, any product of ASI, or our integration with FAA and ATC" (Asi/@airspaceintel)

The Brief · written from 19 sources

  • The FAA issued a nationwide ground stop for all US airports on November 13, 2026 following communication issues impacting multiple Air Route Traffic Control Centers.
  • The FBI reportedly doesn't believe the outage was caused by a cyberattack or criminality; one line of inquiry is whether a software update caused it.
  • Sources say the outage followed an update to the private communications network connecting the ATC system, which caused the system to reboot and crash.
  • The ground stop was lifted around 8:30 PM Eastern Time after hours of delays.

Why it matters

Air traffic control communications failed nationwide, halting US departures for hours and showing how a single update to critical network infrastructure can cascade across the system. Developers building systems that depend on shared infrastructure or software updates should note the risk of failure from change rollouts.

Who’s affected

  • Airlines, airports and travelers in US airspace
  • Teams responsible for software update rollouts in critical infrastructure

Asi / @airspaceintel : ASI, developer of AI tool SMART, says the FAA outage “is not based on or a result of the SMART system, any product of ASI, or our integration with FAA and ATC” — The current ground stop is not based on or a result of the SMART system, any…

Read the full story at techmeme.com ↗

What developers are saying

Based on 715 comments · Mixed reactions

Commenters speculated widely about causes, from radio frequency failures and a possible software update to AI tools and cyberattacks, while many dismissed the links as coincidence or speculation. Several pointed to the vague official advisory wording and to reports from pilots and passengers on the ground. Others noted that the AI-related theories remained unconfirmed.

  • Speculation about AI involvement25%
  • Possible software update cause20%
  • Cyberattack concerns15%
  • Vague official advisory wording15%
  • Real-time passenger experiences25%

In favour

    Concerns

    • − Vague official advisory wording gave little detail on cause

    “Is this still real? It says NO Advisory now :\”

    lacoolj on Hacker News

    “Can't help but suspect that "AI" is to blame and the response is to sort of ban open source AI, or owning too much compute!”

    etaioinshrdlu on Hacker News

    “I'm sure there is a reason for it but can they not be a little bit more specific?”

    paxy on Hacker News

    Timeline

    1. FAA issues nationwide ground stop for all US airports following communication issues impacting multiple Air Route Traffic Control Centers

    2. FAA lifts the ground stop around 8:30 PM Eastern Time after hours-long delays

    3. Hacker News: Best

      FAA Issues National Ground Stop

    4. Hacker News: Front Page

      FAA issues national ground stop

    5. Hacker News

      1248 points · 687 comments

    6. Hacker News: Front Page

      All US airports are currently ground stopped

    7. Hacker News

      155 points · 28 comments

    8. Hacker News: Front Page

      FAA issues nationwide ground stop due to "extraordinary circumstances"

    9. SecurityWeek

      FAA Ground Stop Issued Due to ‘Extraordinary Circumstances’

    10. Techmeme

      The FAA issues a nationwide ground stop for all US airports following "communication issues impacting multiple Air Route Traffic Control Centers" (Alex Fitzpatrick/Axios)

    11. TechCrunch

      US government grounds all flights across the United States ‘due to extraordinary circumstances’

    12. Bloomberg Technology

      FBI Said to Probe Whether Software Update Caused Mass FAA Outage

    13. Hacker News: Front Page

      Live airband on all frequencies from KORS. Victoria, CA also ground stopped

    14. Techmeme

      Source: the FBI is probing whether the FAA outage was caused by a software update, and doesn't believe it was due to a cyberattack or criminality (Myles Miller/Bloomberg)

    15. www.theregister.com - Articles

      All US flights grounded by FAA

    16. www.theregister.com - Articles

      FAA lifts ground stop after hours-long delays snag travelers

    17. GeekWire

      DHS chief sees no link between Microsoft outage and FAA ground stop, doesn’t rule out AI

    18. Hacker News: Show HN

      Show HN: Live map of U.S. flights during tonight's FAA nationwide ground stop

    19. Techmeme

      ASI, developer of AI tool SMART, says the FAA outage "is not based on or a result of the SMART system, any product of ASI, or our integration with FAA and ATC" (Asi/@airspaceintel)

    20. Techmeme

      Sources: the FAA outage occurred after an update to the private communications network that connects the ATC system caused the system to reboot and crash (CBS News)

    21. Sources report the FBI is probing whether a software update caused the outage and does not believe a cyberattack was involved

    22. Hacker News: Front Page

      FAA lifted National Ground Stop at 0119Z

    23. Engadget - Technology News & Expert Reviews

      FAA allows flights to resume after hours-long ground stop across the US

    24. SecurityWeek

      No Signs of Hacking in FAA Ground Stop as FBI Reportedly Probes Software Update

    Full coverage · 19 sources

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