美國聯邦航空總署(Federal Aviation Administration，FAA)今天(11日)證實，發送飛航危險訊息的「NOTAM」(Notice To Airmen)飛航安全事件通報電腦系統當機，坦言全美空域運作都受到影響，航班暫時延誤，技術部門正努力修復。但未透露何時能恢復正常運行。
美媒《abc新聞》報導，據航班追蹤網站「FlightAware」資訊顯示，至少有760架美國國內航班延誤，若一直找不出問題，最壞的情況就是全面停飛。
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The FAA is working to restore its Notice to Air Missions System. We are performing final validation checks and reloading the system now.
— The FAA ✈️ (@FAANews) January 11, 2023
Operations across the National Airspace System are affected.
We will provide frequent updates as we make progress.
Cleared Update No. 2 for all stakeholders: ⁰⁰The FAA is still working to fully restore the Notice to Air Missions system following an outage. ⁰⁰While some functions are beginning to come back on line, National Airspace System operations remain limited.
— The FAA ✈️ (@FAANews) January 11, 2023
Update 3: The FAA is still working to fully restore the Notice to Air Missions system following an outage.⁰⁰The FAA has ordered airlines to pause all domestic departures until 9 a.m. Eastern Time to allow the agency to validate the integrity of flight and safety information.
— The FAA ✈️ (@FAANews) January 11, 2023