Chart 1 Symbols, Abbreviations and Terms Used on Charts
PDF Document (27.68 MB)
Chart Number, Title, Marginal Notes - Section A
Schematic layout of a chart
Chart number in national chart series
Identification of a latticed chart (if any)
Chart number in international chart series
Publication note (imprint)
Small correction note
Reproductions of international charts of other nations (facsimile) have the seals of original producers (left), publisher (centre) and the IHO (right). National charts have the national seal only.
Title block of chart: includes Seal, Regional identification, Main title, Scale, Projection, Depths, Elevations, Horizontal datum, Sources and reference to Chart No. 1.
Other explanatory notes
Conversion Table is only shown on imperial charts
Source Data Diagram (if any). To the attention of the mariners: caution is required in the inadequately surveyed areas.
Linear scale on large scale chart
Reference to a largerscale chart
Reference to an inset
Reference to an adjoining chart of similar scale
- Date modified: