Approach Light System
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Approach lighting system — The approach lighting system of Bremen Airport An approach lighting system, or 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… … Wikipedia
Approach Lighting System — Lichtanlage zur Anflugsunterstützung auf dem Fliegerhorst Nörvenich. Ein Approach Lighting System (ALS), auf Deutsch Anflugbefeuerung, ist bei einem Flugplatz ein Beleuchtungssystem, das vor der Schwelle einer Landebahn angebracht ist. Es besteht … Deutsch Wikipedia
approach light contact height — The height on the glide path of an instrument landing system from which a pilot making an approach can expect to see the high intensity approach lights … Aviation dictionary
High Approach Landing System — Satellitenaufnahme Flughafen Frankfurt am Main (EDDF): Bei Anflügen von Osten ist Zweischwellenbetrieb auf RWY 25R (rot markiert) und die versetzte Schwelle auf der RWY 25L (RWY 26L, blau markiert) möglich HALS/DTOP ist eine Bezeichnung für ein… … Deutsch Wikipedia
Light rail — For specific light rail systems, many of which use the words light rail as part of their name, see List of tram and light rail transit systems. Edmonton Light Rail Transit in Edmonton, Alberta, Canada … Wikipedia
Light rail in the United States — The use of light rail in the United States is low by European standards. According to the American Public Transportation Authority, of the 20 odd light rail systems in the United States only five (Boston, San Francisco, Los Angeles, San Diego and … Wikipedia
Light tube — This article is about light tubes used for the illumination of buildings. For other uses of the phrase light tubes , see Light tube (disambiguation). Light tubes Light tubes or light pipes are used for transporting or distributing natural or… … Wikipedia
Light pollution — This article is about light pollution in the visible spectrum. For information on pollution in the radio spectrum, see radio spectrum pollution. This time exposure photo of New York City at night shows skyglow, one form of light pollution … Wikipedia
Light-emitting diode — LED redirects here. For other uses, see LED (disambiguation). Light emitting diode Red, pure green and blue LEDs of the 5mm diffused type Type Passive, optoelectronic Working principle Electr … Wikipedia
Light field — The light field is a function that describes the amount of light traveling in every direction through every point in space. Michael Faraday was the first to propose (in an 1846 lecture entitled Thoughts on Ray Vibrations ) that light should be… … Wikipedia
light — light1 lightful, adj. lightfully, adv. /luyt/, n., adj., lighter, lightest, v., lighted or lit, lighting. n. 1. something that makes things visible or affords illumination: All colors depend on light. 2. Physics … Universalium
