参考资料链接：
https://www.faa.gov/newsroom/media/Fatigue_Report.pdf
https://www.gao.gov/products/gao-24-105254
https://www.aviationtoday.com/2025/05/29/americas-air-traffic-control-crisis-exposes-faas-struggles/
https://www.washingtonpost.com/business/2025/08/01/ntsb-investigation-dc-plane-crash-takeaways/
https://www.faa.gov/air-traffic-controller-qualifications
https://en.wikipedia.org/wiki/1981_Professional_Air_Traffic_Controllers_Organization_strike
