Descent Strategy Comparisons for TNAV-equipped Aircraft Under Airplane-preferred Operating ConditionsNational Aeronautics and Space Administration, Office of Management, Scientific and Technical Information Division, 1989 - Air traffic control - 36 pages |
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1739-Second Elapsed 4D descent strategies 70 Arrival rate air traffic control airplane pairs airspace altitude and speed Arrival rate ACPH arrival traffic Average fuel usage best cruise common best cruise conditions Boeing Commercial Airplanes CFPA strategies clean-idle and CFPA Clean-Idle Strategy common cruise conditions Comparative Conflict Probability Comparative Fuel Usage Comparative Throughput conflict count conflict performance Conflict probability 1.0 conflict susceptibility conflict workload conflict-free conflicts occurred cruise altitude cruise common cruise Cumulative Frequency Distribution Denver Stapleton Elapsed Time Optimal enters the simulation equation ERM and JFK ERM Mix Figure 17 Figures 15 Flow Management Evaluation fuel performance fuel usage lb/airplane Fuel Usage Relative JFK Mix LAX Mix Mach/CAS maintain minimum separation Management Evaluation Model Maximum Throughputs minimum time separation mix Strategy NASA Optimal Clean-idle CFPA optimal strategy percent previous study Relative to Common sequential pairs Throughput Gain Relative throughput performance traffic mixes trail airplane typical ERM