Hydrographic Note
What is a Hydrographic Note?
Hydrographic
Notes are reports conveying information that
could be useful to mariners generally. Such information
can be used to improve existing charts sailing
directions
and other
nautical publications not only in the Area of Australian
Charting
Responsibility, but worldwide. The Area of
Australian Charting Responsibility includes the waters
around
Australia and its territories as well as those
around Papua New Guinea, see Notice to Mariners No
1.
The type of information most
needed concerns safe routes through poorly surveyed
waters (with courses
and depths where available – see Notice to
Mariners No 11), anchorages, harbour facilities,
conspicuous objects, navigational aids, obstructions
and other dangers that are not correctly or fully
charted or described on the charts or in the Sailing
Directions.
The are two types of Hydrographic Notes:
When and Why should I use a Hydrographic
Note?
Mariners are requested to notify
the Hydrographer, Locked Bag 8801 Wollongong, NSW
2500 (Fax + 612 4223 6599), when new or suspected
dangers to navigation are discovered, changes observed
in aids to navigation, or crrections to publications
are seen to be necessary.
Further Information
For further information on Hydrographic
Notes please refer to Page 123, Section 8 of the Australian
Seafarers Handbook; Annual
Australian Notices to Mariners 26 - Hydrographic Notes  ;
and the Hydrographic
Note Instructions available on this website.
Reports,
which will be acknowledged in Section IV of the fortnightly
editions of Notices
to Mariners,
should be sent to:
Hydrographer of Australia
Locked Bag 8801
Wollongong
NSW 2521
or email: Hydro.NTM@defence.gov.au
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