A severed backup fibre line exposes fragility in US air-traffic infrastructure.
The FAA said troubleshooting errors triggered a switch to a backup fibre line that was then accidentally cut, disrupting flights at major northeastern airports.
By TomorrowNews · AI-assisted briefing · Briefing published 27 September 2026
AI-generated illustration — not a photograph of the event. Conceptual critical-infrastructure imagery; no actual FAA equipment, airport or damaged cable is depicted. · TomorrowNews / AI-generated illustration
According to the report, L3Harris advised the FAA to switch lines while troubleshooting at a Philadelphia air-traffic-control facility. A New Jersey Transit contractor then cut the backup connection, affecting airports including Newark and JFK.
FAA Administrator Bryan Bedford used the incident to argue for replacing legacy systems with a more resilient architecture. Congress has already provided $12.5 billion for modernization, while officials have sought an additional $10 billion.
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This is an original summary, not a republication of the full report.
