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Royal Australian Navy Hydrographic Service


The Australian Hydrographic Service (formerly known as the Royal Australian Navy Hydrographic Service) is the Australian Commonwealth Government agency responsible for providing hydrographic services that meet Australia's obligations under the SOLAS convention and the national interest; enabling safe navigation, maritime trade and supporting protection of the marine environment. The agency, headquartered at the Australian Hydrographic Office in Wollongong, New South Wales, is an element of the Royal Australian Navy (RAN), and serves both military and civilian functions. The names Australian Hydrographic Service and the Australian Hydrographic Office are commonly abbreviated as AHS or AHO respectively.

The Australian Hydrographic Service is an element of the RAN, and serves both military and civilian functions. The headquarters of the agency is at the Australian Hydrographic Office in Wollongong, New South Wales. Hydrographic services provided by the AHS include the mapping and surveying of undersea terrain and irregularities on and under the water's surface (known collectively as hydrography), the provision of nautical charts and other publications, such as tide tables and Notices to Mariners. Over 400 paper charts are produced by the AHS, with conversion of these to electronic navigational chart format due to be completed in 2011.

Under international agreements, the Australian charting area spans approximately one-eighth of the world's surface, extending from Cocos Island to the west, the Solomon Islands to the east, the Equator to the north, and Antarctica to the south.

Following the work of explorers, the British Admiralty established a Chart and Chronometer Depot in Sydney in 1897. The depot was to supplement the activities of Royal Navy survey ships in Australian waters. In 1913, the depot was taken over by the Australian government and was renamed the RAN Hydrographic Depot. Despite this, survey activities were performed by Royal Navy vessels until World War I, when surveying operations were concentrated in European waters.


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