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Glass Breakwater Light

 
Location: Entrance to Apra Harbor (outer) near Piti, GU

Latest Condiitions.

About Glass Breakwater Light

The location of the light is Entrance to Apra Harbor (outer). The nearest city is Piti, GU.

The lighthouse is a NB on concrete base.

The tower has a flashing white light at a focal plane height of 60 ft above mean high water. The light has a nominal range of 6 nautical miles. The tower height is 60 ft. The light has a period of 4 seconds.

Open to the Public?:    Active?:

Identification number: 30710 (U.S.)

A 'flashing' light is a light in which the total duration of light in a period is shorter than the total duration of darkness and the appearances of light (flashes) are usually of equal duration. So in the 4 second period, the light is on for less than 2 then off for more than 2.

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