Abstract: An aircraft beacon light comprises an annular light source support having a plurality of light passing portions; a plurality of light sources, arranged on the annular light source support for a radially outwards emission of light flashes; a light detector for sensing a light output level of at least a subset of the plurality of light sources; and at least one optical element for shaping a beacon light output from light emitted by the plurality of light sources, the at least one optical element having at least one light guiding portion for capturing stray light from at least said subset of the plurality of light sources and for guiding said stray light through the plurality of light passing portions and towards the light detector.

Abstract: An aircraft anti-collision light includes a first group of light sources arranged in a first annular configuration around an axis (A) and a second group of light sources arranged in a second annular configuration. The first group of light sources is surrounded by the second group of light sources. The light also has a first lens structure, which is configured for generating a first light output from light emitted by the first group of light sources, a second lens structure, which is configured for generating a second light output from light emitted by the second group of light sources, and a light transmissive cover, which is arranged over the first lens structure and the second lens structure and which passes the first light output and the second light output for emitting a total light output.

Abstract: An interior aircraft light includes a mounting structure for mounting the interior aircraft light to an aircraft seat; a UV radiation source; and an optical system, configured to direct UV radiation from the UV radiation source towards a floor portion underneath the aircraft seat.

Abstract: An exterior aircraft image projector includes at least one light source, providing a light output in operation; an optical system configured for transforming the light output of the at least one light source into a light beam and projecting said light beam onto the ground below the aircraft and the of the aircraft; a photo detector arranged to detect a brightness level (Iambient) of the ground or the exterior and configured to provide a corresponding brightness signal; and a controller, coupled to the photo detector and the at least one light source configured to control an intensity of the light output of the at least one light source as a function of the brightness level (Iambient), as provided by the photo detector via the brightness signal.

Abstract: An aircraft anti-collision light includes a first group of light sources arranged in a first annular configuration around an axis (A) and a second group of light sources arranged in a second annular configuration. The first group of light sources is surrounded by the second group of light sources. The light also has a first lens structure, which is configured for generating a first light output from light emitted by the first group of light sources, a second lens structure, which is configured for generating a second light output from light emitted by the second group of light sources, and a light transmissive cover, which is arranged over the first lens structure and the second lens structure and which passes the first light output and the second light output for emitting a total light output.

Abstract: A cover for an exterior aircraft light includes a lens cover structure, attachable to an exterior aircraft light housing and configured to close the exterior aircraft light housing, wherein the lens cover structure has an inside and an outside and is at least partially made of transparent material; and a wear indicator, attached to the inside of the lens cover structure, the wear indicator having a contrasted pattern visible from the outside of the lens cover structure through the transparent material.

Abstract: A method of assigning a passenger to a lavatory within an aircraft passenger cabin, wherein the aircraft passenger cabin comprises at least two lavatories, each having a waiting queue, and wherein the aircraft passenger cabin is divided into at least two spatial zones, includes: receiving a lavatory assignment request from a passenger; based on a seat location of said passenger, determining a particular spatial zone of the aircraft passenger cabin which includes the seat location of said passenger; and based on the particular spatial zone, adding the passenger to the waiting queue of a particular lavatory, associated with the particular spatial zone. The configuration of the at least two spatial zones is variable and it is based on a plurality of zone configuration parameters including a queue length of each of the waiting queues of the at least two lavatories.

Abstract: A cover for an exterior aircraft light includes a lens cover structure, attachable to an exterior aircraft light housing and configured to close the exterior aircraft light housing, wherein the lens cover structure has an inside and an outside and is at least partially made of transparent material; and a wear indicator, attached to the inside of the lens cover structure, the wear indicator having a contrasted pattern visible from the outside of the lens cover structure through the transparent material.

Abstract: An exterior aircraft image projector includes at least one light source, providing a light output in operation; an optical system configured for transforming the light output of the at least one light source into a light beam and projecting said light beam onto the ground below the aircraft and the of the aircraft; a photo detector arranged to detect a brightness level (Iambient) of the ground or the exterior and configured to provide a corresponding brightness signal; and a controller, coupled to the photo detector and the at least one light source configured to control an intensity of the light output of the at least one light source as a function of the brightness level (Iambient), as provided by the photo detector via the brightness signal.

Abstract: A cover for an exterior aircraft light includes a lens cover structure, attachable to an exterior aircraft light housing and configured to close the exterior aircraft light housing, wherein the lens cover structure has an inside and an outside and is at least partially made of transparent material; and a wear indicator, attached to the inside of the lens cover structure, the wear indicator having a contrasted pattern visible from the outside of the lens cover structure through the transparent material.

Abstract: An interior aircraft light includes a mounting structure for mounting the interior aircraft light to an aircraft seat; a UV radiation source; and an optical system, configured to direct UV radiation from the UV radiation source towards a floor portion underneath the aircraft seat.

Abstract: An aircraft vertical stabilizer illumination light, the light includes a LED group, having a plurality of LEDs; an optical system, having at least one optical element, the optical system being associated with the LED group for shaping a light output from the light emitted by the LED group; an image generator, arranged within the aircraft vertical stabilizer illumination light for being oriented towards the vertical stabilizer, the image generator being configured to provide image data of the vertical stabilizer; and a controller, coupled to the image generator for receiving the image data; wherein the controller is configured to operate the aircraft vertical stabilizer illumination light in a plurality of operating modes.

Abstract: A cover for an exterior aircraft light includes a lens cover structure, attachable to an exterior aircraft light housing and configured to close the exterior aircraft light housing, wherein the lens cover structure has an inside and an outside and is at least partially made of transparent material; and a wear indicator, attached to the inside of the lens cover structure, the wear indicator having a contrasted pattern visible from the outside of the lens cover structure through the transparent material.

Abstract: An aircraft vertical stabilizer illumination light, the light includes a LED group, having a plurality of LEDs; an optical system, having at least one optical element, the optical system being associated with the LED group for shaping a light output from the light emitted by the LED group; an image generator, arranged within the aircraft vertical stabilizer illumination light for being oriented towards the vertical stabilizer, the image generator being configured to provide image data of the vertical stabilizer; and a controller, coupled to the image generator for receiving the image data; wherein the controller is configured to operate the aircraft vertical stabilizer illumination light in a plurality of operating modes.

Abstract: A helicopter search light comprises a lighting arrangement comprising at least one light source and having an adjustable light output; a light detector, which is configured for detecting light reflected by the ground and/or at least one item on the ground and for providing a detection signal which is correlated to an amount of light detected; and a control unit, coupled to the light detector for receiving the detection signal and to the at least on light source for controlling the adjustable light output of the lighting arrangement.

Abstract: A helicopter search light comprises a lighting arrangement comprising at least one light source and having an adjustable light output; a light detector, which is configured for detecting light reflected by the ground and/or at least one item on the ground and for providing a detection signal which is correlated to an amount of light detected; and a control unit, coupled to the light detector for receiving the detection signal and to the at least on light source for controlling the adjustable light output of the lighting arrangement.

Abstract: An aircraft interior light unit having a light output over an extended light emission area includes a flat light distribution body having a front surface, through which the light output is coupled out, and a back surface, wherein at least one of the front surface and the back surface of the flat light distribution body has a plurality of surface irregularities.

Abstract: An aircraft interior light unit having a light output over an extended light emission area includes a flat light distribution body having a front surface, through which the light output is coupled out, and a back surface, wherein at least one of the front surface and the back surface of the flat light distribution body has a plurality of surface irregularities.