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Glass Breakwater Light

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

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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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