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**
***REVISION PER FAA AAS-1, EFFECTIVE APRIL 2023, AAS-1 PERMISSION REQUIRED FOR FEDERALLLY OBLIGATED AREAS***
Overall situational awareness is improved by allowing the pavement boundaries to be recognized quickly and easily.
Although subtle, from a distance the human brain can interpolate the actual boundary edge from this additional visual cue.
A linear lighting segment provides an additional visual cue related to the orientation of the boundary or pavement edge.