This report contains the results of a comparative study of the contents of three ARINC 424 aeronautical navigation databases that are currently used in commercial civil aircraft. The comparison was restricted to the parameters belonging to the VHF navigation aid section of the European Region. At least 36% of the comparable database entries were inconsistent in databases from different manufacturers. The majority of the differences were encountered in the altitude and position information. The largest altitude difference found was 813.8m. Due to a hemisphere swap the largest position error encountered measured 732NM. It can be concluded that still a lot of work has to be carried out in order to ensure that these discrepancies disappear from the databases.


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    Title :

    Discrepancies in ARINC 424 Navigation Databases


    Contributors:
    W. Oenema (author)

    Publication date :

    1994


    Size :

    46 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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