The ornamental design for an instrumentpanel for aircraft, as shown and described.
The patent or application file contains a least one drawing executed in color. Copies of this patent or patent application publication with color drawing(s) will be provided by the Office upon request and payment of the necessary fee.
FIG. 1 is a front perspective view of a standby instrument panel for aircraft showing our new design;
FIG. 2 is a front view thereof, the back, top, bottom, and side views forming no part of the claimed design;
FIG. 3 is an enlarged front perspective view thereof with the environment removed; and,
FIG. 4 is an enlarged front view thereof with the environment removed.
The broken lines illustrate structure and environment that form no part of the claimed design.