Communications: electrical – Aircraft alarm or indicating systems – Land-based landing guidance
Patent
1981-07-28
1984-03-06
Groody, James J.
Communications: electrical
Aircraft alarm or indicating systems
Land-based landing guidance
244114R, 340951, 340955, G08G 500, B64F 118
Patent
active
044356943
ABSTRACT:
Four generally radially arranged base paths extending outwardly from the center of an airport are provided and each base path is defined by a pair of side-by-side rows of lights with a first row of lights comprising white lights and the second row of lights comprising predetermined color lights different from the color of each other second row of lights. In addition, intermediate radial paths extend outwardly from the airport between adjacent base paths and each intermediate path includes a single row of lights of a color corresponding to the color of lights in the second row of lights of one of the adjacent base paths. Also, a plurality of concentric circular paths extend about the airport at predetermined radial distances therefrom and intersect with the aforementioned base and intermediate paths. It is contemplated that each pair of side-by-side rows of lights may be flashed simultaneously or in sequence for identification of a specific base path and/or identification of the desired direction of movement of planes along a given base path.
REFERENCES:
patent: 2602850 (1952-07-01), Cline
Groody James J.
Jacobson Harvey B.
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