The invention relates to determining the appropriate spacing between fixed-wing aircraft arriving at runways so as to permit the minimum separation commensurate with safe operation as a function of the atmospheric conditions. More specifically, this invention is directed to a vortex advisory system which will enable flight controllers to vary the separation between aircraft as a function of the accurately predicted motion of wake vortices produced by the aircraft. Accordingly, the general objects of the present invention are to provide novel and improved methods and apparatus of such character.


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    Vortex Advisory System

    J. N. Hallock / E. A. Spitzer / W. D. Wood | NTIS | 1977


    The wake vortex advisory system

    Hallock, J.N. / Wood, W.D. / Spitzer, E.A. | Tema Archiv | 1977



    Wake Vortex Advisory System (WakeVAS) Concept of Operations

    Rutishauser, David / Lohr, Gary / Hamilton, David et al. | NTRS | 2003