NEW ZEALAND HYDROGRAPHIC AUTHORITY

NZ300071 - NZ71 - SOUTH ISLAND - WEST COAST - GREYMOUTH TO KAHURANGI POINT

INDEX:
SATELLITE DERIVED POSITIONS
AIDS TO NAVIGATION 
UNSURVEYED AREAS
RECOMMENDED ROUTES AROUND THE NEW ZEALAND COAST


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

AIDS TO NAVIGATION 
Certain lights, buoys and beacons in the inner waters and channels are not shown on this chart, for these the larger scale charts must be consulted.

UNSURVEYED AREAS
Due to the exposed nature of the coast, certain inshore areas remain unsurveyed.  Mariners should exercise caution particularly when approaching the coast in depths of less than 50 metres.

RECOMMENDED ROUTES AROUND THE NEW ZEALAND COAST
Attention is drawn to ANTM 10 which recommends that ships are to keep at least 5 nautical miles off the land, any charted danger, or any outlying islands, until reaching a position where alteration is required to make port.


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