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Electronic navigational chart
An electronic navigational chart (ENC) is an official database created by a national hydrographic office for use with an Electronic Chart Display and Information System (ECDIS).[1] ECDIS and ENCs are the primary means of electronic navigation on cargo ships.[1] Charts can be used in navigation to provide an indication of location once a position is fixed and the charted depths can be used in under keel clearance calculations to ensure the ship is navigating in safe water.[2]
Inland Electronic Chart Display and Information System are similar systems used for navigation of inland water.
- ^ a b ECDIS Procedures Guide. Livingston: Witherby Publishing Group. 2021. p. ix. ISBN 9781914992049.
- ^ ECDIS Safety Settings and UKC Management. Livingston, Scotland: Witherby Publishing Group. 2017. ISBN 9781914993695.
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