A method for providing mode data during operation of a Flight Management System (FMS) using a Vertical Navigation (VNAV) Autopilot Mode, is provided. When the FMS has disengaged a Lateral Navigation (LNAV) Autopilot Mode, the method detects a changed aircraft position indicating divergence from a flight path, wherein the changed aircraft position comprises a current aircraft position; calculates a future aircraft position for VNAV Autopilot Mode disengagement, based on the changed aircraft position, a predicted cross-track error, and the divergence from the flight path; and presents the changed aircraft position and the future aircraft position when operating in the VNAV Autopilot Mode, via a display device. When the future aircraft position is not on the flight path, the method disengages the VNAV Autopilot Mode, based on the changed aircraft position and the future aircraft position; calculates a descent path for the aircraft, after disengagement; and presents the descent path.


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    Titel :

    Systems and methods for providing predicted mode change data for decoupled vertical navigation (VNAV) and lateral navigation (LNAV) autopilot operations


    Beteiligte:

    Erscheinungsdatum :

    2020-05-19


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G05D SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES , Systeme zum Steuern oder Regeln nichtelektrischer veränderlicher Größen / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS




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