An airfield guidance sign. The sign 100 (of FIG. 1a) includes a
case (102), a multi-element light source (114) attached to the case
(102) for providing light interior to the case (102), a light dispersion
subsystem of the case for dispersing the light from the light source (114)
substantially uniformly throughout the interior of the case (102); and a
side panel (126) forming a side of the case (102) for displaying information.