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System for detecting and viewing aircraft-hazardous incidents that may be encountered by aircraft landing or taking-off

  • US 5,657,009 A
  • Filed: 07/10/1995
  • Issued: 08/12/1997
  • Est. Priority Date: 10/31/1991
  • Status: Expired due to Fees
First Claim
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1. A system for detecting and viewing aircraft-hazardous incidents that occur at close proximity to an airport runway, where said aircraft hazardous incidents include microbursts which are vertically displayed in the correct position and in proportion to their size in relation to the size of the runway, thunderstorms, tornadoes, the wake turbulence of aircraft, and flying aircraft, said system comprising:

  • A. a ground based system having means for;

    a) a terminal doppler weather radar (TDWR) that provides signals pertaining to;

    (1) the geographical location of said TDWR by latitude and longitude,(2) the altitude of said TDWR above means sea level (MSL) or below sea level,(3) meteorological phenomena within the range of said TDWR,(4) a magnetic north reference-point,(5) the distance in nautical miles from said TDWR to the meteorological phenomena,(6) the degrees referenced from magnetic north to the meteorological phenomena, andb) an airport surveillance radar station (ASRS) that provides updated signals pertaining to;

    (1) the geographical location of said ASRS by latitude and longitude,(2) the altitude of said ASRS above means sea level (MSL) or below sea level,(3) aircraft flying within the range of said ASRS,(4) a magnetic north reference-point,(5) the distance in nautical miles from said ASRS to the flying aircraft,(6) the degrees from magnetic north to the flying aircraft,(7) the altitude of the flying aircraft above mean sea level,c) an airport-data base system that provides updated signals pertaining to;

    (1) the latitude and longitude of the airport landing runway entrance and exit as referenced from the centerline of the airport landing runway,(2) the length and width of the landing runway,(3) the altitude of the landing runway above mean sea level (MSL) or below sea level,(4) a scaled reference line for measurement purposes,(5) indicia pertaining to the landing runway,(6) two geographical points corresponding to the latitude and longitude of the VASI or PAPI lights, and(7) the glide slope angle toward the horizon of the VASI or PAPI lights,d) a main processor that receives and processes the signals from;

    (1) said TDWR,(2) said ASRS, and(3) said airport data base system, and(4) a transmitter that transmits the processed signals from said main processor to an aircraft based system fop further processing, andB. an aircraft based system having means for receiving the transmitted signals corresponding to said aircraft-hazardous incidents and processing the signals for further application to a display, that displays to the pilot of said aircraft said aircraft hazardous incidents.

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