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A Verizon fiber-optic cable cut during construction in New Jersey disrupted air traffic control systems at Newark Liberty International Airport, Philadelphia International Airport, and New York City’s La Guardia and JFK airports, canceling over 600 flights at Newark and 200 at Philadelphia. The FAA halted flights hours before the UN General Assembly, highlighting vulnerabilities in aging U.S. infrastructure and prompting calls for modernization funding.

The incident began when a construction crew accidentally severed a Verizon fiber cable during work on a rail project in New Jersey, severing a backup data feed critical to air traffic controllers. The Federal Aviation Administration (FAA) suspended flights to and from Newark, Philadelphia, and New York City’s major airports, forcing over 100 planes—including international flights from Iceland, Egypt, Greece, Spain, and France—to divert. Newark saw more than 600 flight cancellations by 6 p.m., exceeding half its daily schedule, while Philadelphia experienced 200 cancellations and 400 delays. Verizon stated it had no responsibility for the incident, attributing the error to a contractor.

Transportation Secretary Sean Duffy emphasized the event underscored the urgent need for modernizing the U.S. air traffic control system, which relies on outdated backup infrastructure. FAA Administrator Bryan Bedford noted the disruption was a direct result of reliance on legacy systems, with the backup fiber line failing to activate after the primary circuit failed. NJ Transit is investigating whether the contractor or utility markings were at fault, while Verizon has deployed technicians to repair the damaged cable.

Airlines like United and American waived change fees for affected travelers, with United also offering extra pay to staff and confirming space for commuters in New York. The disruptions, which occurred hours before President Trump’s UN General Assembly arrival, amplified concerns about infrastructure reliability. Aging systems and technology gaps have long plagued air traffic control, with the Trump administration previously announcing a multibillion-dollar modernization plan.

Repairs to the Verizon fiber line were completed by Monday evening, allowing flights to resume. NJ Transit continues to investigate liability for the cable severance, while the FAA and airlines assess long-term infrastructure upgrades.

The Verizon fiber cut exposed critical gaps in U.S. air traffic control systems, underscoring the need for modernization funding. While repairs were resolved, unresolved questions about liability and systemic vulnerabilities remain, potentially influencing future infrastructure investment decisions.

Topics: Air Traffic Control, Infrastructure, Aviation, Verizon, Airports, FAA, United Airlines, American Airlines, Infrastructure Modernization, Flight Disruptions

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Source: CNBC