A roof-mounted emergency beacon used to alert emergency responders and observers of the location of an emergency. The beacon is activated by a smoke alarm, burglar alarm, or medical emergency alarm. Upon activation, the beacon light flashes, and the beacon extends to increase visibility. The beacon illuminates different colors to indicate different types of emergencies. Upon deactivation, the beacon lowers to return to the stowed position.

An aircraft headlight comprises a housing; a retractable light emission unit, wherein the retractable light emission unit is movable with respect to the housing between a stowed position and an operating position; and an electric motor. The electric motor comprises a casing, which is stationary with respect to the housing; a rotor, which is rotatable with respect to the casing and which is mechanically coupled to the retractable light emission unit for moving the retractable light emission unit between the stowed position and the operating position by rotating the rotor; at least one stationary magnet, which is attached to the casing; and at least one moving permanent magnet, which is attached to the rotor such that, in at least one rotational position of the rotor, the at least one moving permanent magnet is located vis--vis the at least one stationary magnet.

The arrangements disclosed herein relate to a lighting device assembly includes an optic assembly including a light source, a housing including a cavity in which the at least a portion of the optic assembly is received, a collar coupled to an opening of the housing that defines the cavity. The housing is configured to secure the lighting device assembly to a wall, a ceiling, or a surface. The optic assembly is coupled to the collar. The collar includes an adjustment member configured to adjust, relative to the housing, at least one of a position of the collar, a position of the optic assembly, or a position of the light source.