--- title: "Nationwide ground stop ordered by FAA after air-traffic control communications issue detected" url: https://newscentral.site/nationwide-ground-stop-ordered-by-faa-after-air-traffic-control/ language: en publisher: "News Central Site" section: "Business" published: 2026-11-14T17:58:33.000Z updated: 2026-11-15T03:30:56.073Z id: 2f0efb69-73c3-4a08-87ab-847e837b0e82 source: "Fortune https://fortune.com/2026/11/14/faa-ground-stop-telecom-router-cybersecurity-white-house-situation-room-national-security-apparatus-l3harris/" attribution: "Link to https://newscentral.site/nationwide-ground-stop-ordered-by-faa-after-air-traffic-control/ and name News Central Site when you quote or summarize this story." --- # Nationwide ground stop ordered by FAA after air-traffic control communications issue detected A nationwide ground stop was ordered on Friday due to a communications issue affecting air-traffic control, prompting officials to brief government leaders. A nationwide ground stop was ordered by the FAA on Friday after a communications issue affecting air-traffic control was detected. The regulator's decision forced airlines to delay and cancel thousands of flights. This drastic measure was taken as a precautionary step to ensure public safety. The speed at which the telecom problem spread raised alarm bells, prompting officials to brief the highest echelons of government. There was no evidence to suggest any malicious activity, but the severity of the situation warranted a thorough investigation. Government agencies sprang into action, mobilizing their resources to tackle the crisis. In a press briefing on Saturday, FAA Administrator Bryan Bedford confirmed that the White House situation room and national security infrastructure were activated in response to the crisis. He revealed that the FBI was also present at facilities to investigate the cause of the problem. The involvement of top government officials indicates the gravity of the situation. Transportation Secretary Sean Duffy provided further insight into the government's response, stating that a conference call was convened with key officials from the national security apparatus. These included FBI Director Kash Patel and the director of national intelligence, as well as representatives from the Defense Department. The purpose of this meeting was to assess the threat level posed by the telecom issue. The investigation revealed that there was no indication of a cyberattack or hacking attempt. Once the location of the problem was isolated and taken offline, the air-traffic control system began functioning properly again. The investigation into the FAA telecom problems that led to the ground stop revealed an unexpected cause: routine maintenance work by a contractor at a remote location. A contractor with L3Harris was carrying out a switch from old copper wire to fiber optics when the issue arose, according to Duffy. The process involved transferring telecommunication lines to more modern and efficient systems. The decision to upgrade the infrastructure was likely aimed at improving communication reliability and reducing the risk of disruptions in the future. However, this specific update seems to have had an unintended consequence. The incident highlights the importance of thorough testing and quality control measures during such maintenance work to prevent unforeseen problems from arising. The telecom upgrade at the FAA's air traffic control system was supposed to be a routine maintenance task, but it had an unexpected consequence. Routers across the system were overwhelmed by more than 1,000 connection attempts every four to five seconds, disrupting some radar feeds and prompting the FAA to order a ground stop for safety reasons. To determine the cause of the problem, investigators are trying to establish whether it was due to user error or a faulty router installed by L3Harris, which owns the legacy telecom network. The department is working with top telecommunications companies like AT&T, Verizon, and Lumens to build a new architecture that will eventually replace the outdated system. Duffy emphasized that L3Harris is accountable for its performance as prime contractor, warning that the department will hold people responsible if they fail to meet expectations. The company behind the National Airspace System's communication infrastructure has been working to modernize it in close collaboration with the Federal Aviation Administration (FAA). As part of this effort, L3Harris and its telecom partners have made significant progress in replacing legacy copper wires with a more reliable fiber optic system, completing over 70% of the conversion. --- Source: [Fortune](https://fortune.com/2026/11/14/faa-ground-stop-telecom-router-cybersecurity-white-house-situation-room-national-security-apparatus-l3harris/) Published by News Central Site: https://newscentral.site/nationwide-ground-stop-ordered-by-faa-after-air-traffic-control/