Change Chart Permit For Free

From start up-Menu (on the left bottom section in chartco), click on Corrections. Click on ENC (top bar) and corrections (Right side bar). This list will show you the pending corrections to your active cells. Click on the ?Collect and transfer to ECDIS? at the bottom of the screen.

The ADMIRALTY Vector Chart Service (AVCS) provides the widest official ENC coverage available, enabling ships to navigate on ECDIS for the entirety of most major routes on a single chart service.

Permits are used to control the permission to use a chart. They prevent unofficial copying and distribution.

Correcting and upgrading a navigation chart is a constant process. Once a chart is published, constantly changing navigational features and aids or other relevant information have to be promulgated in order to update the ships navigating in those areas.

To correct a chart, look up the number of the chart in the index at the front of the NTM, by the chart number there will be a list of all the corrections that relate to that chart. Each correction is given a number to identify it. You then need to look up the correction to discover the details.

To correct a chart, look up the number of the chart in the index at the front of the NTM, by the chart number there will be a list of all the corrections that relate to that chart. Each correction is given a number to identify it. You then need to look up the correction to discover the details.

ENCs are updated by weekly 'Notices to Mariners' issued by Hydrographic Offices / Regional ENC co-ordination centers ( RENC) and corrections are received on the vessel either by email or data file (AVCS DVD). The actual updating is either applied to the ECDIS chart database automatically or by the user.

Take out tracing of correction or position from weekly NTM /Annual summary of NTM, one by one from bottom, update chart, write correction number in bottom left corner and in chart correction book. Do up to last correction and write on the back of chart ?Corrected up to NTM (No of NTM) / (year)?.

When a new chart or new edition of a chart is received on board this procedure must be followed:Highlight the chart number in the correction log.Enter the Chart Folio and sequence number, from the index.Correct the chart for any pending corrections.Correct the Admiralty Chart Catalogue (NP 131) if affected.More items...?Mar 30, 2017

In circumstances where the electronic chart data is used for reference only, such systems must be maintained up-to-date.Uncorrected chart data appearing on the electronic chart may confuse the navigator compared with data recorded on the paper chart and this is a dangerous condition for the vessel.