The ornamental design for an aircrafttail, as shown and described.
FIG. 1 is a perspective view taken from a top, front, left side of an aircraft tail according to our design shown on an aircraft shown in dotted lines;
FIG. 2 is a top plan view thereof;
FIG. 3 is a bottom plan view thereof;
FIG. 4 is a front elevation view of the aircraft tail as seen from line 4—4 in FIG. 3;
FIG. 5 is a rear elevation view of the aircraft tail of FIG. 1;
FIG. 6 is a left side elevation view thereof; and,
FIG. 7 is a right side elevation view thereof.
Throughout the Figures, where shown: (i) the dotted lines showing environment are for illustrative purposes only and form no part of the claimed design; (ii) the unshaded surfaces do not form part of the claimed design; and (iii) the dash-dot lines illustrate unclaimed boundaries of surfaces claimed as part of the design.