Last updated: 31.03.2021
International Chart 1 (INT 1) means a specification of symbols, abbreviations and terms to be used in the International Chart Series of IHO. (Provides the chart user with a key to symbols, abbreviations and terms used on charts compiled in accordance with the ‘Chart Specifications of the IHO’). Contains description entries for features and attributes. Can be seen as the reference to the legend of paper charts.
(Source: CCNR Inland ECDIS Standard; Edition 2.0/23/11/2006)