Who Is L3Harris? Contractor Under Scrutiny Over FAA Shutdown
Summary
A router involved in L3Harris’s FAA network upgrade generated repeated connection requests and overwhelmed parts of the system, triggering a four-hour nationwide ground stop on November 13. Federal officials are investigating the cause and have not made a final determination; they said there is no evidence of a cyberattack or malicious interference.Key Facts
- L3Harris was switching parts of the FAA communications network from copper wire to fiber-optic cable when the disruption occurred.
- Transportation Secretary Sean Duffy said the router generated more than 1,000 connection attempts every several seconds.
- The ground stop disrupted thousands of flights, with tens of thousands estimated to have been delayed or canceled in the United States.
- L3Harris said it is supporting the FAA’s investigation.
- L3Harris has worked on key parts of the FAA Telecommunications Infrastructure for more than two decades.
- The FAA network supports about 45,000 flights each day and connects more than 4,400 FAA facilities.
- L3Harris is based in Florida and was formed in 2019 through the merger of Harris Corporation and L3 Technologies.
- In July 2026, L3Harris received a contract to modernize and operate the FAA’s ADS-B network through 2045.
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