The incidence of Secondary Surveillance Radar (SSR) Mode C pressure altitude encoding faults of the type caused by stuck/shorted C bits has been investigated amongst aircraft in UK airspace transmitting the SSR Mode A Conspicuity Codes 4321 and 4322. Combining a recently measured frequency for similar Mode C faults among non-Conspicuity Code aircraft (0.44%) with presently measured frequencies of SSR plots and Mode C faults for Conspicuity Code aircraft leads to estimates of the overall frequency for stuck/shorted C bit faults ranging from 0.49% for the airspace covered by the Civil Aviation Authority Heathrow Tower radar to 0.70% for similar equipment at Debden. Great Britain. (FR)


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    Title :

    Fine Resolution Errors in Secondary Surveillance Radar Altitude Reporting amongst Aircraft Transmitting the Conspicuity Codes 4321 and 4322


    Contributors:
    D. B. Jenkins (author) / B. A. Wyndham (author) / P. Banks (author)

    Publication date :

    1988


    Size :

    12 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    Fine Resolution Errors in Secondary Surveillance Radar Altitude Reporting

    D. B. Jenkins / B. A. Wyndham / P. Banks | NTIS | 1988


    Nr. 4321

    DataCite | 1928


    Errors in aircraft height information telemetered by secondary surveillance radar systems

    Jenkins, D.B. / Wyndham, B.A. / Banks, P. | Tema Archive | 1987


    Nr. 4322

    DataCite | 1928