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touchdown zone lighting
gen.	illuminazione della zona di contattotouchdown zone lightingLuci bianche che vanno da 100 piedi prima a 3000 piedi dopo la soglia.
English thesaurus
touchdown zone lighting
avia., Canada	Variable-intensity white lighting in the touchdown zone consisting of bars of three inset lights per bar situated on either side of the runway centreline at 1OO-ft intervals, commencing 100 ft from the threshold and extending 3000 ft down the runway. The lights are unidirectional, showing in the direction of approach to landing.