Admiralty Cumulative List of Notices to Mariners. NP234(A)

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Chart numbers refer to navigational charts in the ADMIRALTY series, including adopted Australian, New Zealand and Japanese charts (indicated by the prefixes AUS, NZ and JP respectively).
The edition date quoted indicates the month and year of publication of the current edition; that publication may have been in the form of a new chart or a new edition (the relevant date is given in the bottom outside margin of the chart). A chart carrying an earlier edition date than that quoted in this list is no longer valid and should be replaced. Newly published New Charts and New Editions are not included in this list until publication is announced in the Weekly Editions of Admiralty Notices to Mariners. With the exception of adopted Australian, New Zealand and Japanese charts, the announcement date coincides with the edition date printed on the chart. The edition date for adopted Australian, New Zealand and Japanese charts indicates the date of publication by the producer nation and not the date of adoption by the UK Hydrographic Office.
The Notices to Mariners quoted for each chart are those which have been issued over the past 2 years. Figures in bold indicate the week the notice was issued. As mariners are unlikely to have easy access to copies of earlier notices, a chart which has become out of date over a longer period should be replaced or be updated by an ADMIRALTY Chart Distributor. If no notice has been issued during the past 2 years, the most recent notice affecting the chart concerned is quoted.
Those charts which are not normally updated by ADMIRALTY Notices to Mariners have been omitted from this publication. Temporary and Preliminary Notices are not included.
A list of current Hydrographic Publications is contained in this publication. Details are also published quarterly in the Weekly Editions of ADMIRALTY Notices to Mariners.