PHOTOSLOPE
photographic land surveying technique used by airport management to document obstructions or possible obstructions located at each runway end The technique is the first of its kind to provide a pictorial record of the approach and takeoff zones located at the end of every runway The photograph, along with a specially designed overlay, illustrates and aids in the location of all clear zone obstructions An obstruction is defined as any building, sign, utility pole, or tree which breaks through ...
Abandoned · April 5, 1999 · 75674475 ·