Overall situational awareness is improved by allowing the pavement boundaries to be recognized quickly and easily.
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.
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***