Communications: electrical – Aircraft alarm or indicating systems – Flight alarm
Patent
1992-02-25
1993-05-04
Ng, Jin F.
Communications: electrical
Aircraft alarm or indicating systems
Flight alarm
340963, 342 26, 364434, G08B 2300
Patent
active
052085872
ABSTRACT:
The apparatus of the present invention improved low-level wind shear alert system that provides an improved method of identifying the presence and locus of wind shear in a predefined area. This system enhances the operational effectiveness of the existing LLWAS system by mapping the two-dimensional wind velocity, measured at a number of locations, to a geographical indication of wind shear events. This system can also integrate data and processed information received from a plurality of sources, such as anemometers and Doppler radar systems, to produce low-level wind shear alerts of significantly improved accuracy over those of prior systems. In particular, the apparatus of the present invention makes use of the data and processed information produced by the existing Low-Level Wind Shear Alert System as well as that produced by the Terminal Doppler Weather Radar to precisely identify the locus and magnitude of low-level wind shear events within a predetermined area. This resultant geographical indication is displayed in color-graphic form to the air traffic control personnel and can also be transmitted via a telemetry link to aircraft in the vicinity of the airport for display therein.
REFERENCES:
patent: 3618002 (1971-11-01), Stinson
patent: 4137764 (1979-02-01), Hallock et al.
patent: 4649388 (1987-03-01), Atlas
patent: 4712108 (1987-12-01), Schwab
patent: 4812844 (1989-03-01), Kallstrom
patent: 5117359 (1992-05-01), Eccles
patent: 5130712 (1992-07-01), Rubin et al.
The Federal Triangle, "FAA Plans to Buy Wind-Shear Alert Devices", Washington Post, Oct. 17, 1983, Cl. 340-968.
Ng Jin F.
Swarthout Brent A.
University Corporation For Atmospheric Research
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