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MetConsole® LLWAS (Low Level Wind Shear Alert System)

Enhancing aircraft safety under wind shear conditions

Enhancing aircraft safety under wind shear conditions

MetConsole® LLWAS (Low Level Wind Shear Alert System)
  • Features

    An integrated and comprehensive system, the Schneider Electric MetConsole LLWAS —

    • Collects real-time wind speed and direction readings from a carefully placed array of wind sensors around the airport runways
    • Processes the wind information through a central redundant server, applying U.S. Federal Aviation Administration (FAA)-approved NCAR LLWAS algorithms, to determine the location and strength of wind shear and microburst events
    • Evaluates these determinations to optimize alert accuracy
    • Displays resulting wind shear information in the Air Traffic Control (ATC) tower in both graphical (LLWAS map) and tabular form (ADD) using standard aeronautical formats, including headwind loss or gain associated with the wind shear and the determined location of the aircraft’s first encounter with the wind shear
    • Generates audible warnings that must be acknowledged by the ATC controllers
    • Provides outputs formatted for direct broadcast on the airport’s ATIS system and transmission via a meteorological switch to weather networks


    Benefits

    An LLWAS solution from Schneider Electric provides:

    • Staff assistance in conducting a site survey according to FAA 6560.21A (Siting Guidelines for LLWAS)
    • Reliable and timely information and alerting to the gust fronts, downbursts or microbursts induced by thunderstorms.
    • Utilizes the latest LLWAS Phase III algorithm, developed by NCAR for the U.S. Federal Aviation Administration and implemented successfully in more than 100 airports around the world
    • Expertise built into the solution to reduce the probability of false wind shear alerts and increases the probability of corrections where needed

    Applications

    Implemented in over one hundred airports worldwide, the Schneider Electric MetConsole® Low Level Wind Shear Alert System (LLWAS) provides the reliable and timely information and alerting to the gust fronts, downbursts or microbursts induced by thunderstorms. It helps minimize disruptions, caused by these wind shear conditions, to aircraft flying below 1,000 feet while approaching and departing airports.

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