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approach light system
Sinônimos
approach lighting syatem
approach lighting system
Definição1
An airport lighting facility which provides visual guidance to landing aircraft by radiating light beams in a directional pattern by which the pilot aligns the aircraft with the extended centerline of the runway on his/her final approach for landing.
Definição2
A system of high-intensity lights located along the approach path of an instrument runway. The lights radiate beams in a directional pattern by which pilot aligns the aircraft with the extended centerline of the runway on the final approach for landing.
Fonte2
KUMAR, Bharat (ed.). An illustrated dictionary of aviation. New York: McGraw-Hill, c2005. 752 p.
Definição3
In modern large airfields, any of several systems of light extending along projected centerline of runway in use towards approach aircraft to provide visual indication of runway location, distances, alignment, glide path slope and, probably, transverse horizontal.
Fonte3
GUNSTON, Bill. The cambridge aerospace dictionary. Cambridge: Cambridge University, 2004. vii, 740 p. (Cambridge aerospace series.)
Nota adicional1
Acronym in English: ALS.
Related Term
runway lead-in lighting system
simple approach lighting system
Spanish
sistema de iluminación de aproximación
Imagem

 Approach light system from Sarajevo International Airport.

Approach light system from Sarajevo International Airport.

Fonte: http://en.wikipedia.org/wiki/File:Sarajevo_airport_runway.jpg