The patent relates to a device whereby an optical glide slope reference indicator simultaneously provides the pilot of an aircraft with elevation and azimuth information relative to the intended point of landing. The indicator presents on a gun-sight type reflector plate positioned in the pilot's line of sight of the landing area, a set of optically generated reference signals by which the pilot can monitor a preferred glide slope. An optical processor in the aircraft projects on the reflector plate two horizontally aligned reference symbols (datum bars) and a third symbol (meatball) which is displaced vertically between the two datum bars as a function of the position of the aircraft from the preferred glide slope. The composite optically processed image is superimposed on the reflector plate and is focused at infinity. In landing, the properly aligned glide slope indicator visual image is superimposed over the actual image of the landing area, and the aircraft is controlled by the pilot with reference to the relative position of the indicator to the desired touchdown point, as seen by the pilot, along a preselected flight path.


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    Titel :

    Optical Glide Slope Reference Indicator for Aircraft


    Beteiligte:
    H. R. Stiles (Autor:in)

    Erscheinungsdatum :

    1969


    Format / Umfang :

    4 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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