An apparatus is provided for aligning one end of a passenger loading bridge to an aircraft. The apparatus includes a mounting structure and a transceiver including a transmitter portion. The transceiver is for being fixedly mounted, via the mounting structure, at a location within a space that is contained within a side-wall of the aircraft between an interior wall defining an interior surface of the side-wall and an outer wall defining an exterior surface of the side-wall. The transceiver is for wirelessly providing a signal within a predetermined region of the electromagnetic spectrum, the signal comprising information relating to a location of a doorway relative to a location of the transceiver.
展开▼