Adapt Chart Permit For Free

2 In addition, ECDIS should record the complete track for the entire voyage, with time marks at intervals not exceeding 4 hours. 10.6. 3 It should not be possible to manipulate or change the recorded information.

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.

Correction for a new chart: Highlight the chart number in the correction log. Erase all the old corrections (in case of the new edition and write the edition date in the pen). Enter the Chart Folio and sequence number, from the index. In case of a new edition, this information is already present.

Official charts are those, and only those, produced by a government hydrographic office (HO). Unofficial charts are produced by a variety of private companies and may or may not meet the same standards used by HO's for data accuracy, currency, and completeness.

A navigating officer can then access the system using chart number to print and apply any specific or all applicable corrections for any chart present onboard. There is an offline database and software in use onboard ships where corrections are supplied in the form of weekly mail attachments.

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.

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.