1、 September 29,2025 Observations and Lessons Learned From OIG Reviews of the Next Generation Air Transportation System FAA Capstone Memorandum CC2025010 Contents Memorandum 1 Summary 3 Background 3 FAA Is Delivering a Less Transformational NextGen Than Originally Envisioned,Resulting in Reduced Benef
2、its 5 Many Key Programs and Capabilities Are Over Budget and Delayed Until 2030 or Beyond 9 Lessons Learned From FAAs NextGen Challenges Can Inform Future Modernization Efforts 12 Conclusion 17 Exhibit A.Key NextGen Programs,Capabilities,and Terminology 18 Exhibit B.OIG NextGen and Related Audit Rep
3、orts 20 CC2025010 1 U.S.Department of Transportation Office of Inspector General Memorandum Date:September 29,2025 Subject:INFORMATION:Capstone Memorandum:Observations and Lessons Learned From OIG Reviews of the Next Generation Air Transportation System From:Nelda Z.Smith Assistant Inspector General
4、 for Aviation Audits To:Federal Aviation Administrator The Federal Aviation Administration(FAA)is charged with safely operating the worlds busiest and most complex airspace system,managing over 44,000 scheduled flight operations and safely transporting millions of passengers to their destinations ea
5、ch day.In 2003,FAA launched one of the most ambitious infrastructure projects in U.S.historythe Next Generation Air Transportation System(NextGen),an estimated$36 billion-dollar joint effort between FAA and airlines to modernize our Nations aging air transportation system by 2025.1 Through NextGen,F
6、AA aimed to develop and implement a series of complex programs and capabilities that would overhaul the National Airspace System(NAS)to increase airspace capacity,reduce flight delays and congestion,and provide safer and more efficient air traffic management.However,while FAA had invested over$15 bi