Theoretical and experimental studies have been performed to determine the perturbational effects on glide slope and localizer course structures. The effects are those produced by aircraft parked in front of the transmitting antennas. Contours are given which indicate the maximum path irregularity for a particular ILS zone given a specific size aircraft, its location and orientation. From these, critical - area designations for particular airdromes can be determined. Special concerns have been given to the effects of the Boeing 747 on the performance of the Cat III, two-frequency localizer and on the 8- and 14- element, single-frequency systems. Also, effects of general aviation type aircraft on the null-reference glide slope have been calculated and measured.


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    Title :

    Instrument Landing System Critical Area Studies


    Contributors:

    Publication date :

    1983


    Size :

    197 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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