A floating aid to navigation not on its assigned position.

An aid to navigation on its assigned position exhibiting the advertised characteristics in all respects.

A light which is maintained during those winter months when the regular light is extinguished. It is of lower candlepower than the regular light but usually the same characteristic.

The maximum distance a light can be seen in clear weather (meteorological visibility of 10 nautical miles.) Listed for all lighted aids to navigation except range lights, directional lights, and priva [..]

A 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 (occultation's) are all of equal duration. [..]

A bowl-like metal device, silver plated, reflector with a small oil lamp in the center.

  A modern day type of light presently used in many lighthouses to produce a characteristic.

Metal bar (running vertically or diagonally) dividing the lantern room glass into sections.

A lighted or unlighted fixed aid to navigation attached directly to the earth’s surface. (Lights and day beacons both constitute beacons).

A sound signal producing bell tones by means of a hammer actuated by electricity on fixed aids and by sea motion on buoys.