Append Chart Permit For Free

The permits are normally purchased for a period of 3, 6, 9 or 12 months. On receiving the permits it is put into the ECDIS and this will allow it to display the chart as a SENC (System Electronic Navigational Chart) and receive updates which will be discuss later.

Select 'DATA' from the main 'MENU'.Select the 'Import S57' tab.Select 'Apply SA Certificate'.On the 'Apply SA Certificate' screen browse to the location of the IHO.CRT. Select the IHO.CRT and.

It gives the date of publication, Diagrammatic index of coverage date of the current edition, the coverage area of publication & titles of various charts & publication.

When we receive permit for ENCs, the permit contains key to open ENCs (base cell) which are locked. But the ENCs are already there in your ECDIS as base cells. A base cell becomes an ENC when some security features (IHO system key) are added to it.

Cell Permit is a decrypting code for decoding the data of ENC.Cell Permit will effectively function only for the ECDIS or the software having the User Permit provided at the time of ENC use contract. Since Cell Permit decrypts the encrypted ENC, any ENC cannot be displayed without Cell Permit.

Unlike paper charts which are only purchased once, until a new edition is published or a chart is cancelled, electronic charts are purchased through a license system called permits. Permits are used to control the permission to use a chart. They prevent unofficial copying and distribution.

3 System Electronic Navigational Chart (SENC) means a database resulting from the transformation of the ENC by ECDIS for appropriate use, updates to the ENC by appropriate means and other data added by the mariner.It is not intended to be sufficient for safe navigation.