The FAA grounded all US flights because contractors mistakenly deleted files
FAA contractors deleted files — and inadvertently grounded thousands of flights
A damaged file may have caused the outage in an FAA system, leading to travel chaos
Here's the latest on the NOTAM outage that caused flight delays and cancellations
Flight cancellations and delays pile up after an FAA safety system outage
Portland International Airport notified of FAA outage, flights facing snowball delays
Explainer-Why U.S. flights were grounded by a FAA system outage