NEW ZEALAND HYDROGRAPHIC AUTHORITY

NZ20031W – NZ31 – SOUTHERN OCEAN – NEW ZEALAND – BOUNTY AND ANTIPODES ISLANDS AND PART OF THE SOUTHERN OCEAN - WEST

INDEX:
SATELLITE DERIVED POSITIONS
DEPTH CONTOURS
MAGNETIC VARIATION CURVES ARE FOR 2000
NAVIGATIONAL AIDS
DOUBTFUL DATA
LARGER SCALE CHARTS
VOLUNTARY CODE


SATELLITE DERIVED POSITIONS
Positions obtained from satellite navigation systems referred to WGS 84 Datum can be plotted directly onto this chart.  Caution must be exercised in the transfer of geographical positions to other charts not in terms of WGS 84 Datum.

DEPTH CONTOURS
The depth contours shown on this chart have been derived from all available information, which in ocean areas is insufficient for an accurate portrayal of the sea bottom. See density diagram.

MAGNETIC VARIATION CURVES ARE FOR 2000
The Magnetic Variation is shown in degrees, followed by the letter W or E, as appropriate, at certain positions on the curves. The annual change is expressed in minutes with the letter W or E and is given in brackets, immediately following the variation.

NAVIGATIONAL AIDS
Only the principal lights and radio navigational aids, indicated by symbols and names, are shown on this chart.

DOUBTFUL DATA
Reported but unconfirmed depths or dangers are indicated by an encircling dotted line.

LARGER SCALE CHARTS
Chart indexes are contained in NZ202, chart catalogue

VOLUNTARY CODE
Vessels laden with oil or other harmful liquid substances in bulk are to keep at least 5 nautical miles off the land, any charted danger, or any outlying island(s), until reaching the position where alteration is required to make port.


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