The total Internal Reflection Lense of the ALPHABEAM II LED Landing/Taxi Light utilizes a high performance multi-stage optical system, consisting of primary and secondary optics that efficiently re-distribute llight to specific beam patterns that match incandescent bulbs. A built-in thermal protection prevents the ALPHABEAM from over-temperature conditions. During icy conditions, the ALPHABEAM automatically initiates a glass heating mechanism through a patented electro-optical mechanical design.