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Chart Number, Title, Marginal Notes

Schematic Layout of an NOS chart



Hold your cursor over any green circle for details, or refer to the legend below this picture.

  1   Chart number in national chart series
  2   Identification of a latticed chart (if any). D=Decca; LC=Loran-C; Om=Omega
  3   Chart number in international chart series (if any)
  4   Publication note (imprint)
  5   Bar Code
  6   Edition note. (In this example: Seventh edition published in June, 1996)
  7   Source data diagram (if any). (For attention to navigators: use caution where surveys are inadequate.)
  8   Dimensions of inner borders
  9   Corner coordinates
  10   Chart title
  11   Explanatory notes on chart construction, etc. (to be read before using chart)
  12   Seals. In this example, the national and International Hydrographic Organization seals show that this
  national chart is also an international one. Purely national charts have the national sea only.
  Reproductions of charts of other nations (facsimile) have the seals of the original producer (left),
  publisher (center), and the IHO (right).
  13   Projection and scale of chart at stated latitude. (The scale is precisely as stated only at the latitude
  quoted)
  14   Linear scale on large-scale charts
  15   Reference to a larger-scale chart
  16   Cautionary notes (if any). Information on particular features (to be read before using chart)
  17   Reference to an adjoining chart of similar scale
	Chart number in national chart series		Chart number in national chart series		Chart number in national chart series		Identification of a latticed chart (if any).  D=Decca; LC=Loran-C; Om=Omega		Identification of a latticed chart (if any).  D=Decca; LC=Loran-C; Om=Omega		Chart number in international chart series (if any)		Chart number in international chart series (if any)		Publication note (imprint)		Bar Code		Edition note.  (In this example:  Seventh edition published in June, 1996)		Source data diagram (if any).  For attention to navigators:  use caution where surveys are inadequate.		Dimensions of inner borders		Corner coordinates		Corner coordinates		Corner coordinates		Chart title		Explanatory notes on chart construction, etc. (to be read before using chart)		Seals.  In this example, the national and International Hydrographic Organization seals show that this national chart is also an international one.  Purely national charts have the national sea only.  Reproductions of charts of other nations (facsimile) have the seals of the original producer (left), publisher (center), and the IHO (right).		Projection and scale of chart at stated latitude.  The scale is precisely as stated only at the latitude quoted.		Linear scale on large-scale charts		Reference to a larger-scale chart		Reference to a larger-scale chart		Cautionary notes (if any).  Information on particular features (to be read before using chart)		Cautionary notes (if any).  Information on particular features (to be read before using chart)		Reference to an adjoining chart of similar scale