Obstacle Light Type VAP From The 'Fliers Of The Night', Crouse-Hinds Company Aviation Lighting Catalog

Fliers Of The Night - color illustration showing an aircraft flying through the evening sky, showing a revolving beacon shooting in the sky, as well as an illuminated runway with boundary lights lit up bordering it, which the white lights indicate the runways outline, the green lights inform the incoming pilot of his best approach, and the red lights reveal obstructions to a clear landing, also showing images of a Type VAP Approach Light on the bottom left, a Type VAP Multiple Boundary Light in the middle bottom left, a Type Vap Series Boundary Light on the middle bottom right and a Type VAP Obstacle Light on the bottom right.