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The NOTMAR web site also includes the historical Chart corrections and historical Sailing Direction corrections; as well, it provides access to downloadable Chart Patches, contains links to CHS’s Chart Number 1, instructions for applying Notices to mariners to manually update their paper charts, and other useful information. [citation needed]
Small craft using the Intracoastal Waterway and small harbors not normally used by oceangoing vessels need it to keep charts and publications up-to-date. Since correcting information for U.S. charts in the notice to mariners is obtained from the Coast Guard local notices, it is normal to expect a lag of one or two weeks for the notice to ...
A convenient way to keep track of corrections is with a Chart and Publication Correction Record system, either electronic or paper-based. Using this system, the navigator does not immediately update every publication in the library when a new Notice to Mariners arrives, instead creating a 'card' for every chart and noting the correction on this ...
A prudent mariner should obtain a new chart if he has not kept track of corrections and his chart is more than several months old. Various Digital Notices to Mariners systems are available on the market such as Digitrace, Voyager, or ChartCo, to correct British Admiralty charts as well as NOAA charts. These systems provide only vessel relevant ...
When corrections are received all charts are corrected in the ship's folio and recorded in NP133A (Admiralty Chart Correction Log and Folio Index). This system ensures that all charts are corrected and up to date. In a deep-sea vessel with a folio of over three thousand charts this can be a laborious and time-consuming task for the navigator.
It is a photograph taken prior to 1 June 1957; or It was published prior to 1974; or It is an artistic work other than a photograph or engraving (e.g. a painting) which was created prior to 1974.
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English: Nautical chart of the Bass Strait Australia Sheet 1. From the surveys of Commander J. L. Stokes, and the Officers of H.M.S. Beagle 1839-43 with additions from the surveys of the Australian coast by Commanders H. L. Cox & G. B. Wilkinson R.N. 1864-7, Navg. Lieut. H. J.