Abstract: An electric aircraft emergency power supply module, which is connectable to an electric charger, comprises: at least one electric power cell for storing and supplying electric energy; at least one voltage sensor for measuring the electric voltage (U) of the at least one electric power cell; and a controller for controlling a charging of the at least one electric power cell. Controlling the charging of the at least one electric power cell includes receiving a voltage indication signal (U(t)), indicative of the electric voltage (U) of the at least one electric power cell over time (t), from the at least one voltage sensor; determining the second derivative (U?(t)) of the voltage indication signal (U(t)) with respect to time (t); and on the basis of a positive-to-negative zero crossing of the second derivative (U?(t)) of the voltage indication signal (U(t)), simulating the behavior of a temperature sensitive element.

Abstract: An aircraft reading light with a color-tunable reading light output includes: a white light source for emitting white light; a colored light source for emitting colored light; and an optical element, which is arranged for directing colored light that is emitted by the colored light source onto the white light source for being diffusely reflected at the white light source. The colored light source is controllable independently from the white light source.

Abstract: An aircraft beacon light includes a plurality of primary light sources for emitting light into at least two spatial sectors, wherein the at least two spatial sectors include a forward sector and at least one of an aft sector, a starboard lateral sector, and a portside lateral sector; and a light transmissive cover, which covers the plurality of primary light sources. The plurality of primary light sources are arranged and configured for providing an FAR-compliant aircraft beacon light output of the aircraft beacon light, in case of the light transmissive cover being in a non-eroded state. The aircraft beacon light also includes at least one booster light source for selectively emitting a booster light output into the forward sector. The at least one booster light source is controllable independently of the plurality of primary light sources.

Abstract: A method of determining operating conditions of an exterior aircraft light comprising at least one light source includes: operating the at least one light source of the exterior aircraft light; repeatedly detecting light with a light detector, which is located at the exterior aircraft light and configured for providing light detection values; determining a smallest light detection value (Imin) provided by the light detector within a first period of time, and storing said smallest light detection value (Imin) as an element of a series of smallest light detection values (Imin); and evaluating the light detection values and the series of smallest light detection values (Imin) for detecting erosion of an optical component of the exterior aircraft light, for detecting the presence of ambient light and/or for detecting the presence of fog and/or clouds in front of the exterior aircraft light.

Abstract: An exterior aircraft light that can be used on an aircraft includes a dome-shaped light transmissive cover, a light emission assembly, and an interface assembly. The light emission assembly comprises a light emission tower portion, having a cover-facing end and an opposite aircraft-facing end and having a hollow channel extending between the aircraft-facing end and the cover-facing end, a platform portion, and at least one light source and at least one optical element, arranged on the platform portion. The interface assembly extends through the hollow channel of the light emission tower portion and comprises an elevated base, which is configured for mechanically supporting and electrically connecting an electric component, the electric component being at least one of a data reception component, a data transmission component, and a data generation component. The interface assembly further comprises at least one signal line, which extends from the elevated base through the interface assembly.

Abstract: An aircraft beacon light includes a light source carrier, wherein the light source carrier comprises a plurality of connection fields, with the plurality of connection fields forming at least two polygonal connection structures on the light source carrier. The beacon also includes a plurality of LED modules, with the plurality of LED modules being arranged along a particular one of the at least two polygonal connection structures and with each of the plurality of LED modules being coupled to a respective connection field of said particular one of the at least two polygonal connection structures.

Abstract: An aircraft exterior anti-collision light system includes a plurality of anti-collision lights and a bus, wherein each of the plurality of anti-collision lights is coupled to the bus. Each of the plurality of anti-collision lights comprises at least one light source and is configured to emit a sequence of light flashes (R,W). Each of the plurality of anti-collision lights is configured to carry out an initialization routine in response to an activation command. Each of the plurality of anti-collision lights is configured to transmit an activation status message on the bus, after the initialization routine has been carried out. Each of the plurality of anti-collision lights is configured to listen on the bus for activation status messages and to log activation status messages received on the bus. Each of the plurality of anti-collision lights is configured to set a timing of (R,W) depending on the activation status messages.

Abstract: An aircraft passenger reading light comprises at least one reading light source, which is arranged for emitting visible light in a reading light emission direction; and at least one infrared light source, which is arranged for emitting infrared light in an infrared light emission direction. The infrared light emission direction is inclined with respect to the reading light emission direction.

Abstract: An aircraft passenger reading light comprises at least one reading light source, which is arranged for emitting visible light in a reading light emission direction; and at least one infrared light source, which is arranged for emitting infrared light in an infrared light emission direction. The infrared light emission direction is inclined with respect to the reading light emission direction.

Abstract: An aircraft beacon light includes a light source carrier, wherein the light source carrier comprises a plurality of connection fields, with the plurality of connection fields forming at least two polygonal connection structures on the light source carrier. The beacon also includes a plurality of LED modules, with the plurality of LED modules being arranged along a particular one of the at least two polygonal connection structures and with each of the plurality of LED modules being coupled to a respective connection field of said particular one of the at least two polygonal connection structures.

Abstract: An exterior aircraft light cover with integrated illumination includes a mounting portion, configured to be mounted to an exterior aircraft light housing; a light transmissive pane, supported by the mounting portion. The mounting portion and the light transmissive pane are configured to jointly close the exterior aircraft light housing. The cover also includes at least one photovoltaic device, which is configured for generating electric energy when illuminated; at least one electric storage device, which is configured for storing the electric energy generated by the at least one photovoltaic device; and at least one ancillary light source, which is operable with electric energy supplied by at least one of the at least one photovoltaic device and the at least one electric storage device.

Abstract: A set of exterior aircraft lights, comprises a main landing light, which comprises at least one main landing light source and is configured for emitting a main landing light beam around a main landing light beam direction (L), and at least one of a taxi light and a runway turn-off light. The taxi light is configured for emitting a taxi light beam around a taxi light beam direction (T) and for emitting a first auxiliary landing light beam around a first auxiliary landing light beam direction (AL1), wherein the first auxiliary landing light beam direction (AL1), when projected onto a vertical plane, is angled downwards between 5° and 15° with respect to the straight ahead direction. The runway turn-off light is configured for emitting a runway turn-off light beam around a runway turn-off light beam direction (Ra, Rb).

Abstract: An illuminated aircraft passenger cabin gasper comprises an air outlet for outputting a flow of air into an aircraft passenger cabin and an air guide, movably arranged within the air outlet for adjusting the flow of air that includes a light guide. The gasper also includes at least one light source, arranged adjacent to the light guide for coupling light into the light guide. The light guide has a light output surface for coupling light out of the light guide into the aircraft passenger cabin.

Abstract: An autonomous search light system for being mounted to an aircraft includes a search light for emitting an adjustable light output; an RF receiver with at least two RF antennas for receiving RF signals emitted by an RF transmitter; and a controller for determining a position of the RF transmitter in relation to the search light from the received RF signals and for controlling the search light based on the determined position of the RF transmitter.

Abstract: An aircraft passenger service unit includes infrared sensor configured for detecting infrared radiation and for providing a corresponding sensor output, and a controller, which is configured for receiving and evaluating the sensor output provided by the infrared sensor. The infrared sensor is an infrared sensor array configured for detecting infrared radiation emitted within a plurality of spatial sectors covering a detection area below the aircraft passenger service unit; and the infrared sensor array is configured for detecting the infrared radiation individually for each spatial sector and for providing individual sensor signals for the plurality of spatial sectors. The infrared sensor array is configured such that each passenger seat arranged within the detection area is covered by at least two of the plurality of spatial sectors, respectively; and the controller is configured for determining a passenger seating position within a passenger seat from the individual sensor signals.

Abstract: An exterior aircraft light that can be used on an aircraft includes a dome-shaped light transmissive cover, a light emission assembly, and an interface assembly. The light emission assembly comprises a light emission tower portion, having a cover-facing end and an opposite aircraft-facing end and having a hollow channel extending between the aircraft-facing end and the cover-facing end, a platform portion, and at least one light source and at least one optical element, arranged on the platform portion. The interface assembly extends through the hollow channel of the light emission tower portion and comprises an elevated base, which is configured for mechanically supporting and electrically connecting an electric component, the electric component being at least one of a data reception component, a data transmission component, and a data generation component. The interface assembly further comprises at least one signal line, which extends from the elevated base through the interface assembly.

Abstract: A method of determining operating conditions of an exterior aircraft light comprising at least one light source includes: operating the at least one light source of the exterior aircraft light; repeatedly detecting light with a light detector, which is located at the exterior aircraft light and configured for providing light detection values; determining a smallest light detection value (Imin) provided by the light detector within a first period of time, and storing said smallest light detection value (Imin) as an element of a series of smallest light detection values (Imin); and evaluating the light detection values and the series of smallest light detection values (Imin) for detecting erosion of an optical component of the exterior aircraft light, for detecting the presence of ambient light and/or for detecting the presence of fog and/or clouds in front of the exterior aircraft light.

Abstract: A set of exterior aircraft lights, comprises a main landing light, which comprises at least one main landing light source and is configured for emitting a main landing light beam around a main landing light beam direction (L), and at least one of a taxi light and a runway turn-off light. The taxi light is configured for emitting a taxi light beam around a taxi light beam direction (T) and for emitting a first auxiliary landing light beam around a first auxiliary landing light beam direction (AL1), wherein the first auxiliary landing light beam direction (AL1), when projected onto a vertical plane, is angled downwards between 5° and 15° with respect to the straight ahead direction. The runway turn-off light is configured for emitting a runway turn-off light beam around a runway turn-off light beam direction (Ra, Rb).

Abstract: An aircraft passenger reading light include comprises: a light source arrangement having a plurality of rows of reading light sources, with each of the rows having a plurality of reading light sources for passenger-specific illumination of a plurality of seats of a seating row of an aircraft and with the plurality of rows having different illumination directions in a longitudinal direction (L) of the aircraft, whereinach of the light sources first and second electrical terminals; first and second power supply connectors; and a multi-state switching arrangement having a plurality of switching states. The first power supply connector is coupled to the first electrical terminals of the plurality of reading light sources. The second power supply connector is coupled to the second electrical terminals of the plurality of reading light sources via the multi-state switching arrangement.

Abstract: An aircraft passenger reading light comprises at least one reading light source, which is arranged for emitting visible light in a reading light emission direction; and at least one infrared light source, which is arranged for emitting infrared light in an infrared light emission direction. The infrared light emission direction is inclined with respect to the reading light emission direction.