occulting light

It has an occulting light that flashes in white, red, and green.

The light characteristic shown is a green occulting light with a cycle of three seconds (Oc.

We know, also, that multiple lights were a feature of many locations before occulting lights arrived to give a station clear identity at night.

Group notation similar to flashing and occulting lights is also sometimes used (e.g. Q.(9)).

The original characteristic was an occulting light, with an eclipse of 1.5 seconds every six seconds (Oc.

SNAEFELL JOKUL--White occulting light withdrawn for winter.

They had picked up Fulgloykalven's white group occulting light at fifteen miles, but Grimsholm, only five miles off in this darkness, barely showed, shaped as it was like a trimmed-down nuclear submarine.

An occulting light is a rhythmic light in which the total duration of light in each period is clearly longer than the total duration of darkness and in which the intervals of darkness (occultations) are all of equal duration.