Air Traffic Control: Complete and Enforced Architecture Needed for Federal Aviation Administration Systems Modernization. (PDF - 3.4 MB)
United States Frequency Allocations - The Radio Spectrum. (PDF)
Concept of Operations for the Next Generation Air Transportation System. (PDF - 2.6 MB)
Single European Sky Air Traffic Management Research. (PDF - 2.9 MB)
NGATS Concept Brief. (PDF)
NGATS Operational Improvement Roadmap. (XLS)
