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The VRB-25 is a lighthouse optical system designed and built by Vega Industries Ltd. in Porirua, New Zealand. It was originally designed in 1993–95 with the assistance of the United States Coast Guard to meet USCG requirements for a robust mechanism requiring minimum maintenance. It has become the Coast Guard's standard 12 volt rotating ...
Originally intended for use as an aerodrome beacon, it was also widely used in marine lighthouses. Depending on the type of bulb installed, the beam could be seen for 18 to 26 nautical miles (33 to 48 km). The unit consists of a 25-inch aluminum housing with a parabolic reflector. An electric motor and gearbox drives the optical unit's rotation.
An airway beacon (US) or aerial lighthouse (UK and Europe) was a rotating light assembly mounted atop a tower. These were once used extensively in the United States for visual navigation by airplane pilots along a specified airway corridor .
In December 2008, the old-style bulbs in the aerobeacons were replaced with 400 watt metal halide bulbs. [8] Due to coastal erosion, by the early 1990s Nauset Light was less than 50 feet (15 m) from the edge of the 70-foot (21 m) cliff on which it stood. In 1993, the Coast Guard proposed decommissioning the light.
Lampchanger in the Maughold Head Lighthouse, Isle of Man.This is a model NALC-89, produced by Nav-Aids Systems, LTD, in Kent, England. An automatic lamp changer (or lampchanger) is a device used to ensure that a navigational light such as a marine lighthouse or aero beacon stays lit even if a bulb burns out.
Standing alone on the banks of the Cape Fear River is an often-forgotten symbol of the state’s maritime history. Known as the Price’s Creek Lighthouse, the 20-foot-tall brick tower has been ...