Tests were conducted in the FAA Fog Chamber to determine if backscatter from aircraft landing lights in visual ranges of 3 mi, 2600 ft, and 1200 ft would interfere with an observer's ability to see a set of amber target lights at the runway threshold. Results from a total of 518 test observations, made by 14 observers, indicate substantially no reduction in target-light visibility in visual ranges of 3 mi and 2600 ft. In the 1200-ft visual range, the visibility of the target lights was reduced by an appreciable amount.


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    Title :

    Effect of Landing-Light Backscatter on Target Visibility in Fog


    Contributors:
    D. M. Finch (author) / E. C. Curwen (author) / L. E. King (author)

    Publication date :

    1966


    Size :

    36 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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