Directional lighting system which is configured to equip an aircraft, the directional lighting system including: • at least one light source mounted on a motorised support, the motorised support having, in the installed state, at least one degree of mobility in terms of rotation relative to a fuselage of the aircraft, • a control device which enables the motorised support to be controlled in accordance with at least one angular orientation (α, β, α', β'), the at least one angular orientation (α, β, α', β') being relative to a target direction of the at least one light source in a first reference system associated with the fuselage of the aircraft, • a selection member for selecting a target objective which is intended to be pointed by the target direction, characterised in that the directional lighting system includes: • at least one camera for acquiring a plurality of images of the external environment with respect to the aircraft in accordance with the target direction, • image processing means for identifying, in at least one image from the plurality of images, the target objective selected via the selection member, • a calculation unit which is configured to calculate current coordinates of the target objective identified by the image processing means, the current coordinates being determined in the first reference system from the plurality of images acquired by the at least one camera, the calculation unit being configured to determine, from the current coordinates of the target objective, the at least one angular orientation (α, β) in the first reference system, and • a control member of the control device for controlling the motorised support in terms of position in accordance with the at least one angular orientation (α, β) determined by the calculation unit. • at least one light source mounted on a motorised support, the motorised support having, in the installed state, at least one degree of mobility in terms of rotation relative to a fuselage of the aircraft, • a control device which enables the motorised support to be controlled in accordance with at least one angular orientation (α, β, α', β'), the at least one angular orientation (α, β, α', β') being relative to a target direction of the at least one light source in a first reference system associated with the fuselage of the aircraft, • a selection member for selecting a target objective which is intended to be pointed by the target direction, • at least one camera for acquiring a plurality of images of the external environment with respect to the aircraft in accordance with the target direction, • image processing means for identifying, in at least one image from the plurality of images, the target objective selected via the selection member, • a calculation unit which is configured to calculate current coordinates of the target objective identified by the image processing means, the current coordinates being determined in the first reference system from the plurality of images acquired by the at least one camera, the calculation unit being configured to determine, from the current coordinates of the target objective, the at least one angular orientation (α, β) in the first reference system, and • a control member of the control device for controlling the motorised support in terms of position in accordance with the at least one angular orientation (α, β) determined by the calculation unit.