US air traffic communication glitch prompts rare nationwide flight halt

Flight Stop

The US Federal Aviation Administration ordered a national ground stop for all departing flights on Friday. The agency acted due to extraordinary safety reasons after facing serious air traffic control communication problems. Planes already in the air are allowed to land, but no flights on the ground can take off. International flights are handled individually on a case-by-case basis.

Earlier Actions

Before the nationwide order, the agency halted traffic in Chicago because of the same communication issues. Officials stated that all departing traffic must stay on the ground until further notice. The Federal Aviation Administration did not reply immediately when asked for comment. Friday marks only the second nationwide ground stop of all departures since the September 11 attacks. The only other similar halt took place in January 2023, when domestic departures paused for under two hours.

Funding Requests

Congress approved $12.5 billion last year to fix the agency's aging communication system. On Friday, the Federal Aviation Administration and the White House asked Congress for an extra $30.1 billion to fix other problems.

Context

Air traffic control systems rely on complex networks of digital and voice communication to keep thousands of aircraft safely separated. When these systems fail, aviation authorities must pause departures to prevent mid-air risks. Major infrastructure upgrades often require multi-year funding and legislative approval from national governments.