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The Finnish Transport and Communications Agency Traficom’s nautical charts and hydrographic data are available in three categories:

1. Official paper and electronic navigational charts for navigational purposes

Distributed via official distribution channels
- Electronic Navigational Charts (ENC) - Primar and distributors
- paper nautical charts - well-stocked boating shops and bookshops.

2. Quality-assured vector (S-57 ENC) and raster charts
- material delivered as files from authenticated services
- defined support service and service level
- agreement on access to data
- chargeable access
- products further processed from this data are intended as navigational aids on small vessels (chart plotters, etc.)
- further information: copyright(at)traficom.fi

3. Open data in vector format and viewing interfaces

Vector data format
- basic data that has not been quality-assured
- distribution via the Trafricom’s download service and the WMS and WFS interfaces
- Licence CC 4.0 Attribution

Chart image service for raster material WMTS
- the service is based on the Trafricom’s hydrographic data in raster format
- licence CC 4.0 Attribution

Updated