
A commercial passenger jet is photographed from below against a blue sky with scattered clouds. Concentric elliptical rings are digitally overlaid on the image, visually representing radiating sound or noise propagation from the aircraft — a common illustrative graphic used in airport noise-impact documentation.Open full document
Notes
A commercial passenger jet is photographed from below against a blue sky with scattered clouds. Concentric elliptical rings are digitally overlaid on the image, visually representing radiating sound or noise propagation from the aircraft — a common illustrative graphic used in airport noise-impact documentation.