Bay Rock Light
Bay Rock Lighthouse at the Townsville Maritime Museum
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 Queensland
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Townsville Queensland Australia |
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| Coordinates | 19°15′33.18″S 146°49′26.31″E / 19.2592167°S 146.8239750°ECoordinates: 19°15′33.18″S 146°49′26.31″E / 19.2592167°S 146.8239750°E |
| Year first constructed | 1886 |
| Automated | 1920 |
| Deactivated | 1980s |
| Construction | timber frame clad covered by corrugated iron |
| Tower shape | cylindrical tower with balcony and lantern |
| Markings / pattern | white tower and red lantern |
| Height | 8 metres (26 ft) |
| Focal height | 29 metres (95 ft) (original location) |
| Original lens | 4th Order dioptric |
| Admiralty number | K3117 (ex) |
| ARLHS number | AUS-266 |
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Bay Rock Light is an inactive lighthouse which used to be located on Bay Rock, a rocky islet northwest of Magnetic Island, about 20 kilometres (12 mi) north of Townsville, Queensland, Australia. First lit in 1886, it was automated in 1920 and deactivated in the 1980s. It was relocated in 1992 to the Townsville Maritime Museum, where it is now displayed.
Bay Rock Light was first lit in 1886. It was originally located on Bay Rock, at location 19°7′0″S 146°45′12″E / 19.11667°S 146.75333°E, its main use being assisting vessels into a quarantine station on West Point, Magnetic Island. It also assisted passage into Cleveland Bay or to a main shipping anchorage off Bay Rock.
The lighthouse was 8 metres (26 ft) high, made of a timber frame clad with zinc-annealedgalvanized corrugated iron sheets. It was the fourth in a group of eight lighthouses made of hardwood frame clad with corrugated iron, which included, by order of establishment Little Sea Hill Light, Grassy Hill Light, Goods Island Light, itself, Old Caloundra Light, North Point Hummock Light (demolished), Gatcombe Head Light (demolished) and Bulwer Island Light. The original light source was a Kerosene mantle with an intensity of 1,200 cd. Standing at an elevation of 29 metres (95 ft), it showed a characteristic of a group of red and white flashes every six seconds (Gr. W.R. 6s) which was visible for 14 nautical miles (26 km; 16 mi) for the white flashes and 7 nautical miles (13 km; 8.1 mi) for the red ones. The original lens was a 4th order dioptric.
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