The ornamental design for a avionicsdisplayscreen with a graphical user interface, as shown and described.
FIG. 1 is a front view of a first embodiment of a avionics display screen with a graphical user interface;
FIG. 2 is a front view of a second embodiment thereof;
FIG. 3 is a front view of a third embodiment thereof;
FIG. 4 is a front view of a fourth embodiment thereof; and,
FIG. 5 is a front view of a fifth embodiment thereof.
Elements of the claimed design represented by different cross-hatching styles, outlining, broken-line styles including dotted and dashed lines of all values, and/or grayscale tonal values in the black and white drawings indicate a contrast in appearance. The broken lines are included for the purpose of illustrating portions of the avionics display screen with a graphical user interface that form no part of the claimed design.