Aircraft

[0001]FIG. 1 is a top, front, right perspective view of the claimed design for an aircraft;

[0002]FIG. 2 is a top, rear, left perspective view thereof;

[0003]FIG. 3 is a front view thereof;

[0004]FIG. 4 is a rear view thereof;

[0005]FIG. 5 is a right view thereof;

[0006]FIG. 6 is a left view thereof; and,

[0007]FIG. 7 is a top view thereof.

[0008]The evenly-dashed broken lines illustrate portions of the aircraft that form no part of the claimed design. The dash-dot-dash lines immediately adjacent to the shaded surfaces represent the boundaries of the claimed design and form no part of the claimed design.