1.4 Scope of DAG-TM Concept................................................................................2
2. Evolution Path to DAG-TM........................................................................................4
2.1 Issues, Concerns, and Opportunities in the National Airspace System...............4
2.2 The Free Flight Concept......................................................................................4
2.3 Relationship Between DAG-TM and Other Relevant Activities/Programs........5
2.4 Technology Requirements for DAG-TM............................................................7
3. Potential Benefits of DAG-TM...................................................................................9
3.1 Overview of DAG-TM Benefits .........................................................................9
3.2 Benefits of Air-Carrier Fleet-Wide Optimization.............................................10
3.3 Air Traffic Service Provider (ATSP) Perspective.............................................11
3.4 Flight Deck (FD) Perspective............................................................................12
3.5 Aeronautical Operational Control (AOC) Perspective......................................12
4. Description of DAG-TM Concept.............................................................................14
4.1 Formulation of DAG-TM Concept....................................................................14
4.2 Outline of DAG-TM Concept Elements ...........................................................15
4.3 Detailed Descriptions of Concept Elements......................................................17
4.4 Storyline for Nominal DAG-TM Operations....................................................39
4.5 Off-Nominal Considerations.............................................................................47
5. Conclusion.................................................................................................................48
5.1 Cooperative Research Efforts............................................................................48
5.2 Recommendations.............................................................................................48
References .........................................................................................................................49
LIST OF FIGURES
Fig. 2-1: NAS Modernization Towards DAG-TM.............................................................6
Fig. 4-1: Representation of NAS Constraints...................................................................15
Fig. 4-2: Overview of Concept Elements.........................................................................16
Fig. 4-3: Relationship between En route Concept Elements............................................17
Fig. 4-4: Problems in Constrained En Route Airspace ....................................................28
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