# FAA Ground Stop Due to Communication Outage

> FAA halts all U.S. flights after nationwide communication outage.
- Title: FAA Ground Stop Due to Communication Outage · Jalopnik
- Summary: FAA halts all U.S. flights after nationwide communication outage. The FAA issued a nationwide ground stop due to a temporary telecommunications outage…
- Keywords: faa, ground stop, communication outage, air traffic control, national airspace system, transportation secretary, sean duffy, markwayne mullin, asi, l3harris, flavor flav, subaru forester wilderness hybrid
- Source: Jalopnik — https://jalopnik.com/2316628/faa-orders-nationwide-ground-stop-communication-issues
- Author: Daniel Golson
- Published: 2026-11-13T21:44:32+00:00
- Read time: 1 min
- Topics: faa, ground stop, communication outage, air traffic control, national airspace system, transportation secretary, sean duffy, markwayne mullin, asi, l3harris, flavor flav, subaru forester wilderness hybrid
## FAA Nationwide Ground Stop
The Federal Aviation Administration issued a nationwide ground stop halting all U.S. airport departures at 3:45 p.m. ET on Friday.
## Communication Issue Cause
The ground stop resulted from a temporary telecommunications outage affecting all Air Route Traffic Control Centers across the U.S.
## FAA Statement
The FAA confirmed the outage was not caused by AI systems, stating all flights have been accounted for with international flights handled case by case.
## Transportation Secretary Sean Duffy
Transportation Secretary Sean Duffy cited communication issues as the cause, with FAA technicians investigating the problem.
## Homeland Security Statement
Homeland Security Secretary Markwayne Mullin acknowledged AI could be involved but ruled out cyberattacks or terror threats.
## ASI Contractor Clarification
ASI, the AI system contractor, stated the ground stop was not caused by their SMART system or integration with FAA.
## L3Harris System Update
L3Harris reported an update to the private communications network caused the system to reboot and crash.
## Pilot Experience
A pilot explained the ground stop prevents new flights from entering the system due to nationwide radio problems.
## Key takeaway

The FAA issued a nationwide ground stop due to a temporary telecommunications outage affecting all Air Route Traffic Control Centers, with no AI system involved.