A database in the manufacturer’s internal ECDIS format produced as a result of transforming the ENC. The conversion from ENC contained in the ASCII form to SENC in a binary form may be carried outside the ECDIS in a lab. This is a preferable way to provide efficient and error-free electronic charts to the end-user.

Inter-regional co-operation between regions in the European Union

GLObal Navigation Satellite System A space-based, radio-positioning, navigation and time-transfer system operated by the Government of the Russian Federation.

Worldwide Electronic Navigational Chart Data Base An IHO concept, based on the set of WEND Principles, designed specifically to ensure a world-wide consistent level of high-quality, updated official ENCs through integrated services that support chart carriage requirements of SOLAS and the requirements of IMO PS for ECDIS.

Aid(s) to Navigation

Commissioners of Irish Lights

e-Navigation is the harmonised collection, integration, exchange, presentation and analysis of maritime information onboard and ashore by electronic means to enhance berth to berth navigation and related services, for safety and security at sea and protection of the marine environment

European Union

Geographic information system

General Lighthouse Authority or Authorities