A widespread communications failure within the United States' air traffic control system forced a nationwide ground stop on Friday, disrupting flight operations for millions of passengers. The Federal Aviation Administration (FAA) halted flights across the country at approximately 4 pm EST, keeping the measure in place for nearly four hours before lifting it at 8:15 pm.
Transportation Secretary Sean Duffy described the incident as an emergency, emphasizing that the current infrastructure relies on outdated technology. Following the disruption, the Trump administration increased its funding request to Congress to $50 billion for a comprehensive modernization of the system, replacing an earlier proposal of $30.1 billion. Mr. Duffy stated that the system requires new hardware, software, and telecommunications infrastructure rather than stopgap measures.
According to Mr. Duffy, the ground stop was triggered by an overload of data on routers and switches, which caused inconsistencies in the information transmitted through the system. While the investigation is ongoing, Homeland Security Secretary Markwayne Mullin reported that there is no evidence of a cyberattack and assured the public that the situation never posed a danger to safety.
The impact on travel was extensive. Flight-tracking service FlightAware reported that approximately 9,200 flights were cancelled on Friday. According to CNN, an additional 6,200 flights were cancelled on Saturday even after the ground stop was lifted. Mr. Duffy warned that restoring normal flight operations would take time.
Key facts
- The US air traffic control system manages over 45,000 flights daily.
- The FAA previously planned to phase out the use of floppy disks for critical information by the end of 2028.
- In July 2025, Congress approved $12.5 billion over five years for air traffic control modernization and controller recruitment.
- The initial $30.1 billion funding proposal included $2 billion for cloud computing and $2 billion for upgrading control towers.
Why it matters
The incident has intensified pressure on Congress to approve significant funding to replace ageing components, some of which are currently maintained using replacement parts sourced from online auction websites. The proposed $50 billion investment is intended to establish a more reliable telecommunications network and modernize critical airport terminals and automation platforms.
Background
The FAA’s air traffic control network currently utilizes legacy technology, including decades-old computer systems that support daily national airspace operations.
Source: Hindustan Times, Times of India
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