US D462311 S1
FIG. 1 is an enlarged front elevation view of an aircraft instrumentation system illustrating my new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a right side elevation view thereof, the left side elevation being identical thereto;
FIG. 4 is a bottom plan view thereof; and,
FIG. 5 is a rear elevation view thereof.