Exterior aircraft light unit, comprising: a housing, a mounting structure, mounted to the housing and extending away from the housing substantially along a first cross-sectional plane, a lens cover, mounted to the housing, surrounding the mounting structure, and defining an inner space (96, 96') of the exterior aircraft light unit, with the mounting structure dividing the inner space of the exterior aircraft light unit into a first partial inner space and a second partial inner space, a plurality of anti-collision light sources, configured to emit respective sequences of warning light flashes in operation, wherein the plurality of anti-collision light sources are arranged on the mounting structure and jointly provide for an anti-collision light output opening angle (α) of at least 180° in the first cross-sectional plane, at least one first forward navigation light source and at least one first forward navigation optical system, configured to emit a continuous first forward navigation light output in operation, wherein the at least one first forward navigation light source and the at least one first forward navigation optical system are arranged in the first partial inner space, and at least one second forward navigation light source and at least one second forward navigation optical system, configured to emit a continuous second forward navigation light output in operation, wherein the at least one second forward navigation light source and the at least one second forward navigation optical system are arranged in the second partial inner space, wherein the first forward navigation light output and the second forward navigation light output jointly provide for a forward navigation light output opening angle (β) of at least 160° in a second cross-sectional plane, substantially orthogonal to the first cross-sectional plane. a housing, a mounting structure, mounted to the housing and extending away from the housing substantially along a first cross-sectional plane, a lens cover, mounted to the housing, surrounding the mounting structure, and defining an inner space (96, 96') of the exterior aircraft light unit, with the mounting structure dividing the inner space of the exterior aircraft light unit into a first partial inner space and a second partial inner space, a plurality of anti-collision light sources, configured to emit respective sequences of warning light flashes in operation, wherein the plurality of anti-collision light sources are arranged on the mounting structure and jointly provide for an anti-collision light output opening angle (α) of at least 180° in the first cross-sectional plane, at least one first forward navigation light source and at least one first forward navigation optical system, configured to emit a continuous first forward navigation light output in operation, wherein the at least one first forward navigation light source and the at least one first forward navigation optical system are arranged in the first partial inner space, and at least one second forward navigation light source and at least one second forward navigation optical system, configured to emit a continuous second forward navigation light output in operation, wherein the at least one second forward navigation light source and the at least one second forward navigation optical system are arranged in the second partial inner space, wherein the first forward navigation light output and the second forward navigation light output jointly provide for a forward navigation light output opening angle (β) of at least 160° in a second cross-sectional plane, substantially orthogonal to the first cross-sectional plane.