A linear lighting segment provides an additional visual cue related to the orientation of the boundary or pavement edge.
Although subtle, from a distance the human brain can interpolate the actual boundary edge from this additional visual cue.
Overall situational awareness is improved by allowing the pavement boundaries to be recognized quickly and easily.
A visual enhancement to airfield lighting
For over 60 years, boundary edge illumination has been limited to a single point of illumination
***LINEAR REPLACEMENT LENSES ARE NOW ALLOWED ON ALL AIRPORTS IN THE USA, EFFECTIVE OCTOBER 2019***