 Emery Point Light, 1915 | |
 | |
| Location | Larrakeyah[2] Northern Territory Australia |
|---|---|
| Coordinates | 12°27′13.5″S 130°48′55.99″E / 12.453750°S 130.8155528°E |
| Tower | |
| Constructed | 1900 |
| Foundation | concrete base |
| Construction | metal skeletal tower |
| Height | 31 feet (9.4 m) |
| Shape | square pyramidal tower with balcony and lantern |
| Markings | white tower and lantern |
| Operator | Larrakeyah Barracks |
| Light | |
| First lit | 1915[1] |
| Focal height | 60 feet (18 m) |
| Range | white: 19 nmi (35 km; 22 mi) red: 14 nmi (26 km; 16 mi) |
| Characteristic | Fl(3) WR 15s. |
Emery Point Light is an active lighthouse located at Larrakeyah Barracks, the main base for the Australian Defence Force in Northern Territory, Australia, at the entrance to Port Darwin.[3] It was the second lighthouse to be built in Port Darwin.[4] It was the only navigational aid to remain functional in the path of Cyclone Tracy.[5]
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Transcription
History
The first light at Emery Point was established in 1900, and dismantled in May 1915, in preparation for the installation of the current lighthouse, which was installed later that year.[1] Its construction was part of the "Golden Age of Australian Lighthouses", taking place between 1913 and 1920.[6]
The original light source was a carbide lamp (acetylene gas lamp). It was converted to electric power on 23 March 1966, with an acetylene gas standby.[4] The current light source is a 1,000 watt tungsten-halogen lamp.[4]
In Christmas Eve of 1974, Cyclone Tracy hit the city of Darwin. Emery Point Light was the only navigational aid to remain functional in the path of the storm.[5]
Over the years, the light characteristic shown was changed. The original characteristic was an occulting light, with an eclipse of 1.5 seconds every six seconds (Oc. 6s). It used to have a range of 17 nautical miles (31 km; 20 mi).[4] The current light characteristic shown is three flashes, one every two seconds, repeating every 15 seconds (Fl.(3)W.R. 15s). The colour is red on -181° and white on 335°-139°. The red light is visible for 14 nautical miles (26 km; 16 mi) while the white light is visible for 19 nautical miles (35 km; 22 mi).[7]
Emery Point
Emery Point was originally called Goondal. It was named after a Lieutenant Emery, who discovered fresh water at the base of the cliff.[8]
Structure
The current tower, dating from 1915, is a square metal skeletal tower, painted white, topped with a lantern.[3] Its height is 31 feet (9.4 m) from the base to the lantern, and the focal height (height of the light above sea level) is 60 feet (18 m).[7][4]
Visiting and operation
The site and the tower are inside a military base and are closed to the public, though a sea view is possible. The light is operated by the Darwin Port Corporation.[3][9]
See also
Notes
- ^ a b According to Komesaroff 1977 and AHD16274. Rowlett and Searle say 1917.
- ^ "Place Names Register Extract for "Emery Point"". NT Place Names Register. Northern Territory Government. Retrieved 29 April 2019.
- ^ a b c Rowlett.
- ^ a b c d e AHD16274.
- ^ a b According to AHD16274. Note that Point Charles Light also survived, but was not functional at the time, see Foley 1987.
- ^ Komesaroff 1977.
- ^ a b List of Lights
- ^ Goondal.
- ^ AHD17692.
References
- Rowlett, Russ. "Lighthouses of Australia: Northern Territory". The Lighthouse Directory. University of North Carolina at Chapel Hill. Retrieved 24 October 2010.
- List of Lights, Pub. 111: The West Coasts of North and South America (Excluding Continental U.S.A. and Hawaii), Australia, Tasmania, New Zealand, and the Islands of the North and South Pacific Oceans (PDF). List of Lights. United States National Geospatial-Intelligence Agency. 2009. p. 187.
- Komesaroff, Michael B. (May 1977). "The Golden Age of Australian Lighthouses". The Victorian Historical Journal. 48 (2). reprinted in "The Golden Age of Australian Lighthouses". Lighthouses of Australia Inc Bulletin (5). September 2003. Archived from the original on 3 November 2010.
- Searle, Garry. "List of Lighthouses - Northern Territory". Lighthouses of Australia. SeaSide Lights.
- "Emery Point Lighthouse, Allen Av, Larrakeyah, NT, Australia (Place ID 16274)". Australian Heritage Database. Australian Government.
- "Emery Point Precinct, Allen Av, Larrakeyah, NT, Australia (Place ID 17692)". Australian Heritage Database. Australian Government.
- Foley, Mike (1987). "Point Charles Lighthouse and the Military Occupation of the Cox Peninsula" (PDF). Darwin: Northern Territory Library Service.
- "Correspondence files relating to Emery Point Goondal". Northern Land Council, Darwin. 1981. p. 9.[permanent dead link]
External links
- "List of Lighthouses of Northern Territory". Lighthouses of Australia. Lighthouses of Australia Inc.
Lighthouses of the Northern Territory | ||
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| Authority control databases: Geographic |
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This page was last edited on 19 February 2024, at 23:37