Fix Chart Permit For Free

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.

Each object in an ENC is given a scale minimum (SCAMIN) value. This determines the display scale below which the object must no longer be displayed by an ECDIS. When the chart is zoomed out to more than 9999 (Scale minimum of the nature of the seabed in this case), the concerned object(s) disappears from View.

The Admiralty Information Overlay (AIO) is a data set that contains additional navigation information to mariners. The Admiralty Information Overlay is designed to be displayed overtop of electronic navigation charts (ENCs) on an ECDIS display screen and is unique only to Admiralty ENCs.

The SCAMIN value of an object determines the display scale below which the object is no longer visible on an Electronic Chart Display and Information System (ECDIS). The purpose of SCAMIN is to reduce the amount of clutter displayed to the ECDIS 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.

Tools 0.25 magenta pen, the only one authorized for chart corrections. 2B pencil and eraser. A screw: my option to mark the corrections positions on the charts.A compass where the magenta pen fits. A ruler and a circles template (very useful) A NP5011 (when i have a memory loss on symbols and abbreviations)

Conditions of fairways, coastal waters and harbors are constantly changing. For the safety of navigation, it is indispensable for mariners to recognize such conditions and to correct nautical charts in possession to make them up-to-date.