The Airborne Information for Lateral Spacing (AILS) concept is designed to support independent parallel approach operations to runways spaced as close as 2,500 feet. This report briefly describes the AILS operational concept and the results of a flight test of one implementation of this concept. The focus of this flight test experiment was to validate a prior simulator study, evaluating pilot performance, pilot acceptability, and minimum miss-distances for the rare situation in which an aircraft on one approach intrudes into the path of an aircraft on the other approach. Although the flight data set was not meant to be a statistically valid sample, the trends acquired in flight followed those of the simulator and therefore met the intent of validating the findings from the simulator. Results from this study showed that the design-goal mean miss-distance of 1,200 feet to potential collision situations was surpassed with an actual mean miss-distance of 1,859 feet. Pilot reaction times to the alerting system, which was an operational concern, averaged 0.65 seconds, were well below the design goal reaction time of 2.0 seconds. From the results of both of these tests, it can be concluded that this operational concept, with supporting technology and procedures, may provide an operationally viable means for conducting simultaneous, independent instrument approaches to runways spaced as close as 2500 ft.


    Access

    Access via TIB

    Check availability in my library


    Export, share and cite



    Title :

    Flight Test Evaluation of the Airborne Information for Lateral Spacing (AILS) Concept


    Contributors:

    Publication date :

    2002


    Size :

    26 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English






    Flight Deck Perspective of the NASA Langley AILS Concept

    L. L. Rine / T. S. Abbott / G. W. Lohr et al. | NTIS | 2000


    Airborne Spacing for Terminal Arrival Routes (ASTAR) Proof-of-Concept Flight Test

    R. D. Roper / M. R. Koch / J. W. C. et al. | NTIS | 2019


    Airborne Spacing for Terminal Arrival Routes (ASTAR) Proof-of-Concept Flight Test

    Roper, Roy D. / Koch, Michael R. / Johnson William C. et al. | NTRS | 2019