How do you update a chart Catalogue?

When a new chart or new edition of a chart is received on board this procedure must be followed:

  1. Highlight the chart number in the correction log.
  2. Enter the Chart Folio and sequence number, from the index.
  3. Correct the chart for any pending corrections.
  4. Correct the Admiralty Chart Catalogue (NP 131) if affected.

How often is a chart Catalogue published?

What are Chart Catalogue (NP – 131)? It is published by the hydrographer of the navy every year.

Under what section of the Notices to Mariners updates all the radio signals?

ALRS publications are presented in a user-friendly format and are updated through Section VI of the weekly editions of ADMIRALTY Notices to Mariners. New Editions are published annually containing all changes to information held.

How can you tell if your chart is up to date?

If the chart has been corrected/updated by hand before, some of these will be handwritten. Otherwise, they will be printed. If there are no numbers missing, your chart is up to date.

How are electronic charts updated?

You can do this yourself by downloading a web browser plug-in on your PC and either preparing a microSD/SD card by inserting it into your plotter (assuming it has charts loaded) and then inserting it into a card reader on your computer, or just plugging a preloaded chart card into your PC, whereupon the browser will …

How are electronic charts typically updated?

Chart Correction On ECDIS: Charts on ECDIS need to be updated and corrected on a regular basis. Unlike paper charts where the procedure involves manual insertion of the corrections, correction to ENCs are made automatically. ECDIS allows updating the existing charts and installing new charts too.

When should I update my chart Catalogue?

Chart catalogue (NP 131) :

  1. It has 39 sections & 10 parts.
  2. It is revised & republished on 1st December, every year.
  3. It gives the date of publication, Diagrammatic index of coverage date of the current edition, the coverage area of publication & titles of various charts & publication.

Why is it important to keep your nautical publications updated?

The marine environment is subject to frequent change and the latest publications should always be used, especially when passage planning. Hydrographic officers who produce of nautical publications also provide a system to inform mariners of changes that effect the chart.

How do you correct update ADMIRALTY List of Radio Signals?

For corrections to Admiralty List of Lights & Fog signals and Admiralty List of Radio Signals, these should be pasted on top of the existing (superseded) entry in the publication and the correction index at the front of the publication updated. Smaller corrections may also be done by Pen, in the Publication.