Exterior aircraft lighting device comprising: an exterior aircraft light casing having an open side and being configured to be fixed to an aircraft's structure; and an at least partially transparent exterior aircraft light cover which is configured for being arranged at the open side for sealably closing the exterior aircraft light casing; characterized in that the at least partially transparent exterior aircraft light cover comprises: at least one protrusion provided at a lateral end of the exterior aircraft light cover, wherein the at least one protrusion is configured to be introduced into a corresponding reception provided at an exterior aircraft light casing and wherein the protrusion is formed for allowing the cover to pivot, with the protrusion providing a fulcrum, when the protrusion is introduced into the reception; and at least one fixing device provided in a pivotable portion of the cover and configured for removably fixing said pivotable portion to the casing for preventing a pivoting motion thereof, wherein the at least one fixing device comprises a quick release push button fastener; and in that the exterior aircraft light casing is provided with at least one reception which is configured for receiving the cover's at least one protrusion, the reception in particular having the form of a notch or groove. an exterior aircraft light casing having an open side and being configured to be fixed to an aircraft's structure; and an at least partially transparent exterior aircraft light cover which is configured for being arranged at the open side for sealably closing the exterior aircraft light casing; characterized in that the at least partially transparent exterior aircraft light cover comprises: at least one protrusion provided at a lateral end of the exterior aircraft light cover, wherein the at least one protrusion is configured to be introduced into a corresponding reception provided at an exterior aircraft light casing and wherein the protrusion is formed for allowing the cover to pivot, with the protrusion providing a fulcrum, when the protrusion is introduced into the reception; and at least one fixing device provided in a pivotable portion of the cover and configured for removably fixing said pivotable portion to the casing for preventing a pivoting motion thereof, wherein the at least one fixing device comprises a quick release push button fastener; and at least one protrusion provided at a lateral end of the exterior aircraft light cover, wherein the at least one protrusion is configured to be introduced into a corresponding reception provided at an exterior aircraft light casing and wherein the protrusion is formed for allowing the cover to pivot, with the protrusion providing a fulcrum, when the protrusion is introduced into the reception; and at least one fixing device provided in a pivotable portion of the cover and configured for removably fixing said pivotable portion to the casing for preventing a pivoting motion thereof, wherein the at least one fixing device comprises a quick release push button fastener; and in that the exterior aircraft light casing is provided with at least one reception which is configured for receiving the cover's at least one protrusion, the reception in particular having the form of a notch or groove.