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US identifies cause of major outage that paralyzed air travel

Published

15 November 2026

Topic

technology

◆ Sectors

Telecom & Connectivity

◆ Geography

United States

◆ Source

Read at ukrinform.net →

◆ Verified

Fusion42 · 15 November 2026 · Fusion42 review

A major US air traffic control outage was caused by a router malfunction during an upgrade from copper cable to fiber-optic cable, leading to thousands of flight cancellations and ongoing disruptions.

This Wire brief sits within Fusion42's coverage of Telecom & Connectivity.

◆ ◆ The Wire takeaway

Your telecom infrastructure just needs urgent modernisation: outdated wiring can bring your critical service to a halt. A fibre upgrade went wrong and shut down US airspace, exposing a huge need for reliable network vendors and fast remediation fixes.

◆ Coverage

1 source · 15 Nov 2026

◆ Related on Wire

◆ Topics

Telecom & Connectivityair-traffic-controlnetwork-upgradefiber-opticinfrastructure-failureaviation-disruption