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Cape Borda Lightstation
Cape Borda Lighthouse (formerly known as the Flinders Light) is a lighthouse in the Australian state of South Australia located at Cape Borda on Kangaroo Island. History It was built in 1858 and is the third oldest remaining and only square stone lighthouse in South Australia. The lighthouse was built to guide ships travelling along the Roaring Forties trade route heading into the Investigator Strait towards Port Adelaide. Originally there was no road linking Cape Borda to the rest of Kangaroo Island and all supplies had to be hauled up from ships via a steep steel railway at a nearby cove known as Harvey's Return then taken to the lighthouse every three months. Its focal plane is situated at a height of , the light characteristic is a group of four white flashes that occurs every 20 seconds. The lightstation was automated in 1989 and is still fully operational. In 1999 the original fog signal cannon was restored, today it is fired daily at 12:30 hours. Today The lighthou ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cape Borda
Cape Borda is a headland in the Australian state of South Australia located in the gazetted locality of Cape Borda on the north west tip of Kangaroo Island about west of the municipal seat of Kingscote. It was named after Jean-Charles de Borda (1733–1799), the French mathematician, physicist, naturalist and sailor, by the Baudin expedition to Australia during January 1803. It has been the site of an operating lighthouse since 1858 and is currently located within the Flinders Chase National Park. Description Cape Borda is located in the gazetted locality of Cape Borda about west of Kingscote. It is the most north westerly point of the Kangaroo Island coast. It is the termination for a pair of coastlines – the western coastline extending from Cape du Couedic in the south and the northern coastline extending from Point Marsden in the east. It is described as ‘a bold cliffy headland, high’ with ‘the upper half of the cliff is formed of white limestone, and the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kangaroo Island
Kangaroo Island, also known as Karta Pintingga (literally 'Island of the Dead' in the language of the Kaurna people), is Australia's third-largest island, after Tasmania and Melville Island. It lies in the state of South Australia, southwest of Adelaide. Its closest point to the mainland is Snapper Point in Backstairs Passage, which is from the Fleurieu Peninsula. The native population of Aboriginal Australians that once occupied the island (sometimes referred to as the Kartan people) disappeared from the archaeological record sometime after the land became an island following the rising sea levels associated with the Last Glacial Period around 10,000 years ago. It was subsequently settled intermittently by sealers and whalers in the early 19th century, and from 1836 on a permanent basis during the British colonisation of South Australia. Since then the island's economy has been principally agricultural, with a southern rock lobster fishery and with tourism growing in impo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fog Signal
A foghorn or fog signal is a device that uses sound to warn vehicles of navigational hazards such as rocky coastlines, or boats of the presence of other vessels, in foggy conditions. The term is most often used in relation to marine transport. When visual navigation aids such as lighthouses are obscured, foghorns provide an audible warning of rock outcrops, shoals, headlands, or other dangers to shipping. Description All foghorns use a vibrating column of air to create an audible tone, but the method of setting up this vibration differs. Some horns, such as the Daboll trumpet, used vibrating plates or metal reeds, a similar principle to a modern electric car horn. Others used air forced through holes in a rotating cylinder or disk, in the same manner as a siren. Semi-automatic operation of foghorns was achieved by using a clockwork mechanism (or "coder") to sequentially open the valves admitting air to the horns; each horn was given its own timing characteristics to help mari ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lighthouses In South Australia
A lighthouse is a tower, building, or other type of physical structure designed to emit light from a system of lamps and lenses and to serve as a beacon for navigational aid, for maritime pilots at sea or on inland waterways. Lighthouses mark dangerous coastlines, hazardous shoals, reefs, rocks, and safe entries to harbors; they also assist in aerial navigation. Once widely used, the number of operational lighthouses has declined due to the expense of maintenance and has become uneconomical since the advent of much cheaper, more sophisticated and effective electronic navigational systems. History Ancient lighthouses Before the development of clearly defined ports, mariners were guided by fires built on hilltops. Since elevating the fire would improve the visibility, placing the fire on a platform became a practice that led to the development of the lighthouse. In antiquity, the lighthouse functioned more as an entrance marker to ports than as a warning signal for reefs and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Lighthouses In Australia
This is a list of lighthouses and lightvessels in Australia. Australia has a coastline of , with over 350 lighthouses and navigational aids around the Australian coastline, and a single inland lighthouse, the Point Malcolm lighthouse. The first lighthouse was Macquarie Lighthouse, which was lit in 1793 as a tripod mounted wood and coal fired beacon. The last staffed lighthouse was Maatsuyker Island Lighthouse, off the south coast of Tasmania, which was automated in 1996. Listing The lighthouses and lightvessels of Australia are listed in the National Geospatial-Intelligence Agency ''List of Lights'' publication 111. They are listed by the United Kingdom Hydrographic Office on volume K of the ''Admiralty List of Lights & Fog Signals''. The ''ARLHS World List of Lights'' lists them with the prefix "AUS". On ''The Lighthouse Directory'', the lighthouses of Australia are listed according to their location: * Coral Sea Islands Territory * New South Wales, including Cape St George ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South Australian Heritage Register
The South Australian Heritage Register, also known as the SA Heritage Register, is a statutory register of historic places in South Australia. It extends legal protection regarding demolition and development under the ''Heritage Places Act 1993''. It is administered by the South Australian Heritage Council. As a result of the progressive abolition of the Register of the National Estate The Register of the National Estate was a heritage register that listed natural and cultural heritage places in Australia that was closed in 2007. Phasing out began in 2003, when the Australian National Heritage List and the Commonwealth Heritag ... during the 2000s and the devolution of responsibility for state-significant heritage to state governments, it is now the primary statutory protection for state-level heritage in South Australia. References External linksOnline Heritage Databases {{Heritage registers of Australia Heritage registers in Australia ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Australian Maritime Safety Authority
Australian Maritime Safety Authority (AMSA) is an Australian statutory authority responsible for the regulation and safety oversight of Australia's shipping fleet and management of Australia's international maritime obligations. The authority has jurisdiction over Australia's exclusive economic zone which covers an area of . AMSA maintains Australia's shipping registries: the generalAMSARegister a vessel/ref> and the international shipping registers.AMSAAustralian international shipping register/ref> AMSA was established in 1990 under the ''Australian Maritime Safety Authority Act 1990'' and governed by the ''Commonwealth Authorities and Companies Act 1997''. AMSA is an agency within the Department of Infrastructure and Transport. Directors are appointed by the minister. The international treaties which AMSA administers include the ''Navigation Act 2012'' and the ''Protection of the Sea (Prevention of Pollution from Ships) Act 1983''. Organised sea rescue in Australia was ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Department Of Environment, Water And Natural Resources (South Australia)
The Department for Environment and Water (DEW) is a department of the Government of South Australia. Created on 1 July 2012 by the merger of the Department of Environment and Natural Resources and the Department for Water as the Department of Environment, Water and Natural Resources (DEWNR), it was given its present name on 22 March 2018. It is responsible for ensuring that South Australia's natural resources are managed productively and sustainably, while improving the condition and resilience of the state's natural environment. Origins History of the environment portfolio in South Australia #On 23 December 1971, a new department called the ''Department of Environment and Conservation'' was created by the amalgamation of the ''Museum Department'' and the ''State Planning Office'' which was part of the ''Department of the Premier and of Development''. #On 18 December 1975, the ''Department of Environment and Conservation'' was renamed as the ''Department for the Environment' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Focal Plane
In Gaussian optics, the cardinal points consist of three pairs of points located on the optical axis of a rotationally symmetric, focal, optical system. These are the '' focal points'', the principal points, and the nodal points. For ''ideal'' systems, the basic imaging properties such as image size, location, and orientation are completely determined by the locations of the cardinal points; in fact only four points are necessary: the focal points and either the principal or nodal points. The only ideal system that has been achieved in practice is the plane mirror, however the cardinal points are widely used to ''approximate'' the behavior of real optical systems. Cardinal points provide a way to analytically simplify a system with many components, allowing the imaging characteristics of the system to be approximately determined with simple calculations. Explanation The cardinal points lie on the optical axis of the optical system. Each point is defined by the effect the opti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Light Characteristic
A light characteristic is all of the properties that make a particular navigational light identifiable. Graphical and textual descriptions of navigational light sequences and colours are displayed on nautical charts and in Light Lists with the chart symbol for a lighthouse, lightvessel, buoy or sea mark with a light on it. Different lights use different colours, frequencies and light patterns, so mariners can identify which light they are seeing. Abbreviations While light characteristics can be described in prose, e.g. "Flashing white every three seconds", lists of lights and navigation chart annotations use abbreviations. The abbreviation notation is slightly different from one light list to another, with dots added or removed, but it usually follows a pattern similar to the following (see the chart to the right for examples). * An abbreviation of the type of light, e.g. "Fl." for flashing, "F." for fixed. * The color of the light, e.g. "W" for white, "G" for green, "R" for red, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
South Australia
South Australia (commonly abbreviated as SA) is a state in the southern central part of Australia. It covers some of the most arid parts of the country. With a total land area of , it is the fourth-largest of Australia's states and territories by area, and second smallest state by population. It has a total of 1.8 million people. Its population is the second most highly centralised in Australia, after Western Australia, with more than 77 percent of South Australians living in the capital Adelaide, or its environs. Other population centres in the state are relatively small; Mount Gambier, the second-largest centre, has a population of 33,233. South Australia shares borders with all of the other mainland states, as well as the Northern Territory; it is bordered to the west by Western Australia, to the north by the Northern Territory, to the north-east by Queensland, to the east by New South Wales, to the south-east by Victoria, and to the south by the Great Australian Bight.M ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Port Adelaide, South Australia
Port Adelaide is a port-side region of Adelaide, approximately northwest of the Adelaide city centre, Adelaide CBD. It is also the namesake of the City of Port Adelaide Enfield council, a suburb, a federal and state electoral division and is the main port for the city of Adelaide. Port Adelaide played an important role in the formative decades of Adelaide and South Australia, with the port being early Adelaide's main supply and information link to the rest of the world. Its Kaurna name, although not officially adopted as a dual naming, dual name, is Yartapuulti. History Prior to European settlement of South Australia, European settlement Port Adelaide was covered with Avicennia marina, mangrove swamps and tidal mud flats, and lay next to a narrow creek. At this time, it was inhabited by the Kaurna people, who occupied the Adelaide Plains, the Barossa Valley, the western side of the Fleurieu Peninsula, and northwards past Snowtown. The Kaurna people called the Port Adelaide a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
