Home > Terms > English, UK (UE) > Touchdown zone lighting (TDZL)

Touchdown zone lighting (TDZL)

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 100-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.

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