Ageing
telecommunications network overwhelmed by data, forcing a rare nationwide
flight suspension and disrupting travel plans of around 15 lakh passengers
Washington: Thousands
of passengers were left stranded at airports across the United States after a
telecommunications failure forced authorities to suspend all departing flights
nationwide in a rare aviation disruption. More than 8,000 flights carrying
around 15 lakh passengers were reportedly affected by the shutdown, which
lasted nearly four hours.
The
Federal Aviation Administration (FAA) issued the nationwide ground stop at 3:54
pm (EST), citing a telecommunications outage affecting air traffic control
centres. The restrictions were lifted at 8:15 pm (EST), after authorities
assessed the situation and ruled out a possible security threat.
Outdated technology behind nationwide disruption
US
Transportation Secretary Sean Duffy attributed the failure to an ageing
telecommunications infrastructure that became overloaded with data.
He
explained that the air traffic control network still relies on decades-old
technology, including outdated switches, routers and traditional copper
telephone lines dating back to the 1980s.
Duffy
described the incident as a legacy system problem and criticised the lack of sufficient
funding to replace the outdated infrastructure. He called for greater
investment to modernise the country's air traffic control network, warning
against temporary fixes to a system critical to aviation safety.
What is a nationwide ground stop?
A
nationwide ground stop is an emergency measure imposed by the FAA to
temporarily prevent departing flights from taking off across the country.
Unlike routine restrictions affecting individual airports or specific regions,
such a nationwide order is extremely rare.
Aircraft
already airborne were permitted to continue to their destinations and land
safely during the shutdown.
The
United States experienced a similar nationwide disruption in January 2023
following a failure in its pilot notification system. The only other comparable
nationwide grounding occurred after the September 11, 2001 terrorist attacks,
when all flights were suspended for several days.
Authorities rule out cyberattack and terror threat
US Homeland Security Secretary Markwayne Mullin ruled out any connection between the incident and the recent Microsoft outage, adding that initial findings indicated no cyberattack. He also dismissed comparisons with the September 11 attacks, assuring passengers that there was no indication of a similar security threat.
The
Federal Emergency Management Agency (FEMA) activated its support centres to
assist passengers requiring essential medication and other emergency
assistance. Authorities also coordinated with airports, local communities and
state governments to ensure passenger safety.
Passengers face cancellations and travel chaos
The shutdown caused widespread distress, with passengers reporting cancelled flights, lengthy delays and uncertainty over their travel arrangements.
Flight operations take time to return to normal
Although
the ground stop was lifted, airlines continued to face operational challenges
as aircraft and flight crews had to be repositioned. Passengers were warned to
expect further delays and cancellations.
Duffy said it would take some time for flight operations to return to full capacity. He expressed hope that operations would recover ahead of the busy Thanksgiving travel period. Airlines advised passengers to check directly with their respective carriers for updated flight schedules and information about possible delays or cancellations.
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