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  2. Optical landing system - Wikipedia

    en.wikipedia.org/wiki/Optical_landing_system

    When the wave-off lights are lit, all other lamps are extinguished. The wave-off lights are operated manually by the LSO. Some (particularly later) optical landing systems include additional lamps: Cut lights – Green lamps used to signal different things based on where the approaching aircraft is in its approach. Named for its original use in ...

  3. Landing lights - Wikipedia

    en.wikipedia.org/wiki/Landing_lights

    Landing lights are usually of very high intensity, because of the considerable distance that may separate an aircraft from terrain or obstacles. The landing lights of large aircraft can easily be seen by other aircraft over 100 miles away. Key considerations of landing light design include intensity, reliability, weight, and power consumption.

  4. Visual approach slope indicator - Wikipedia

    en.wikipedia.org/wiki/Visual_approach_slope...

    Each light is designed so that it appears as either white or red, depending on the angle at which it is viewed. When the pilot is approaching the lights at the proper angle, meaning the pilot is on the glide slope, the first set of lights appears white and the second set appears red. When both sets appear white, the aircraft is too high, and ...

  5. Precision approach path indicator - Wikipedia

    en.wikipedia.org/wiki/Precision_Approach_Path...

    The PAPI can be seen to the right (non-standard) side of the runway. The aircraft is slightly below the glideslope. A precision approach path indicator (PAPI) is a system of lights on the side of an airport runway threshold that provides visual descent guidance information during final approach.

  6. Approach lighting system - Wikipedia

    en.wikipedia.org/wiki/Approach_lighting_system

    Approach lights at Jyväskylä Airport, Finland The approach lighting system of Bremen Airport Approach lighting at Love Field, Dallas. An approach lighting system (ALS) is a lighting system installed on the approach end of an airport runway and consisting of a series of lightbars, strobe lights, or a combination of the two that extends outward from the runway end. [1]

  7. Runway edge lights - Wikipedia

    en.wikipedia.org/wiki/Runway_edge_lights

    An aircraft landing at Zurich Airport, with runway edge lights visible. Runway edge lighting is used to outline the edges of runways during periods of darkness or restricted visibility conditions. These light systems are classified according to the intensity they are capable of producing: High intensity runway lights (HIRL)