TALS

Navigation and control system composed of component parts, namely, ground tracking subsystem comprised of at least one of a tracking antenna, an interrogator providing coded transmissions to the aircraft, a receiver able to receive aircraft coded transmissions, and a processor for determining the aircraft position, and an airborne transponder subsystem for manned or unmanned landing guidance that includes at least one of the following, antennas, transponders and processors that provide responses to the ground system