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Hydrographic Note
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Mariners are requested to notify the Australian Hydrographic Office (AHO) when new or suspected dangers to navigation are discovered, changes are observed in aids to navigation, port infrastructure, or corrections to publications are seen to be necessary. The mariner can also report any ENC display issues experienced.
Please download the Hydrographic Note (or Hydro Note) below, complete and email to AHO Data Centre.
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AHO Survey Summary for data rendered to the Australian Hydrographic Office (AHO).
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The Australian Hydrographic Office (AHO) manages undersea feature and maritime names information as part of Australia’s place and geographic names framework. To submit a naming proposal for undersea, maritime, navigational, hydrographic or oceanographic features outside coastal waters, complete the attached Hydrographic Undersea Feature Name Proposal form.