Abstract: The invention relates to a lighting device (1) for lighting the airfield of an airport, comprising a plurality of lighting units (2) for emitting light signals for an approaching, departing, or rolling aircraft, a power supply system which is used for supplying electric power to the lighting units (2) and is equipped with at least one control unit (4) for adjusting a constant current or a constant voltage in a circuit (3) encompassing at least one of the lighting units (2), and configuration data (k) for configuring the at least one control unit (4) in the circuit (3). In order to allow a control unit (4) that has to be replaced to be quickly and safely replaced, the lighting device (1) comprises a memory unit (5) for storing configuration data (k) and a communication unit (6) for transmitting data between the at least one control unit (4) and the memory unit (5).