Unit, when not in use, will retract into position on ground, in order to reduce possible hazard to aircraft taking off over approach light system; two designs completed, one for hinged type and other for type that withdraws axially into metal housing sunk into ground; hinged type has operated satisfactorily in various kinds of weather during 18-mo use.


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    Title :

    Development of retractable slope line approach light unit


    Additional title:

    U S Civ Aeronautics Administration -- Tech Development Report


    Contributors:


    Publication date :

    1952


    Size :

    6 pages


    Type of media :

    Report


    Type of material :

    Print


    Language :

    English




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