1. An apparatus for determining a location for an aircraft relative to an area on the ground, the apparatus comprising: an on-board landing system on an aircraft, the on-board landing system configured to identify a location marker on an area of the ground, the location marker configured to reflect a signal from the aircraft back to the aircraft as a reflected signal, wherein the reflected signal contains a unique, reflective code from the location marker and carries the code to the on-board landing system; wherein the on-board landing system is configured to obtain the unique, reflective code from the reflected signal and use the unique, reflective code to determine a location of the aircraft.