NASA/TM-2012-xxxxxx Air Traffic Management Technology Demonstration-1 Concept of Operations (ATD-1 ConOps) Brian T. Baxley Langley Research Center, Hampton, Virginia Harry N. Swenson Ames Research Center, Moffett Field, California Todd J. Callentine San Jose State University Ames Research Center, Moffett Field, California John Scardina, Michael Greene Crown Counsulting, Arlington, Virginia NASA STI Program . . . in Profile Since its founding, NASA has been dedicated to the advancement of aeronautics and space science. The NASA scientific and technical information (STI) program plays a key part in helping NASA maintain this important role. The NASA STI program operates under the auspices of the Agency Chief Information Officer. It collects, organizes, provides for archiving, and disseminates NASA’s STI. The NASA STI program provides access to the NASA Aeronautics and Space Database and its public interface, the NASA Technical Report Server, thus providing one of the largest collections of aeronautical and space science STI in the world. Results are published in both non-NASA channels and by NASA in the NASA STI Report Series, which includes the following report types: TECHNICAL PUBLICATION. Reports of completed research or a major significant phase of research that present the results of NASA
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controller action of CMS operations. (If ATC must change the STA, Target aircraft, or the route of either the Target or IM aircraft, the current IM clearance must be terminated and a new IM clearance issued. These events typically do create a “re-schedule” or “ripple of the list”, and trigger different CMS values. See Section B.7 for terminating a clearance.) B.3.1 IM clearance with new information (example, Target aircraft’s FAS) ATC: (Callsign), AMEND INTERVAL SPACING CLEARANCE. TARGET FINAL APPROACH SPEED IS (one-two-six) KNOTS. Crew: AMEND INTERVAL SPACING CLEARANCE. TARGET FINAL APPROACH SPEED (one-two-six) KNOTS, (Callsign). B.3.2 Amend IM clearance with change to information (example, spacing interval) ATC: (Callsign), AMEND INTERVAL SPACING CLEARANCE. SPACE (eight-zero) SECONDS BEHIND TARGET. Crew: AMEND INTERVAL SPACING CLEARANCE. SPACE (eight-zero) SECONDS BEHIND TARGET, (Callsign). B.4 Flight Crew notifies ATC that the IM operation has begun It is desirable to have the flight crew notify ATC when the IM spacing has begun. Data from simulator experiments indicate approximately 45 to 60 seconds are needed after ATC issues an IM clearance for the crew to manually enter the data and the spacing software to calculate the required speed. Crew: (Regional Approach), (Callsign) INTERVAL SPACING BEHIND (Target-Callsign). ATC: (Callsign), B.5 Flight Crew notifies ATC that an IM operation is being conducted The current controller will make the receiving controller aware of aircraft conducting IM operations through the data tag display or other coordination procedure. In addition, the flight crew will include the information during check-in with the receiving controller. Crew: (Regional Approach), (Callsign) PASSING (one-two thousand), INTERVAL SPACING. ATC: (Callsign), ROGER. B.6 Suspending and Resuming IM operations The IM operation may be suspended and resumed by ATC when needed by the controller to achieve other objectives over a short time period. This may be used if both the Target aircraft and the FIM aircraft remain on the assigned route.