FAA Orders Nationwide Grounding After U.S. Air‑Traffic Communications Fail

Overview

• The FAA ordered a stop to all departures on Friday after air‑traffic controllers reported intermittent radio and radar data failures that made it unsafe to clear takeoffs.
• U.S. airspace was reopened Friday night but the disruption left airlines scrambling to reprogram aircraft and crews, producing more than 16,000 cancellations across Friday and Saturday.
• Officials have opened probes involving the FBI, NSA and DHS and say there is no current evidence of a cyberattack or link to the recent Microsoft outage while investigations continue.
• Transport Secretary Sean Duffy and FAA leaders blamed overloaded or obsolete communications equipment — including copper lines and legacy systems — and pushed Congress to approve far larger funding requests to rebuild the network.
• The grounding is exceptionally rare, reviving attention to prior failures in 2023 and 2001 and highlighting how aging hardware and strained operations can cascade into nationwide travel chaos and cross‑border disruptions.