The mark consists of the letters "ASR" in stylized form over a shaded semi-circle with the design of the approach end of a runway inside the semi-circle and intersecting the top horizontal edge of the semi-circle; the runway is comprised of a straight vertical line under the "S" of "ASR", four shaded rectangles at the bottom edge of the runway, and a width that runs from wide at the bottom tapering to narrow at the top representing three dimensional perspective; all inside a single line circle.