There is provided a beacon assembly (10) including an integral cast metal mounting base (11) having a mounting flange (12) bounded by a ventilated side wall portion (16) and an upper wall portion (17) combining to support integral cooling fins (20). The side wall portion (16), transparent housing (23) and mounting base (11) form an upper chamber (24). An integrally formed motor housing portion (32) supports a synchronous DC motor (36) driving an input spur gear (44) meshed with an annular output gear (53) supporting a metallized polymer parabolic reflector (56). The thermal mount (30) mounts an LED Array (60) using thermal paste at the reflector (56) focal point.
