Replacing a buoy and description on an ADMIRALTY Standard Nautical Chart

Referencing the NM Position00:00:08

Begin by using the grid box to reference the Nautical Mile (NM) position on the chart.

Laying the Tracing00:00:24

Using the latitude and longitude guides on the tracing and chart, lay the tracing to its exact location.

Marking Description Text00:00:33

Use a 7h pencil to mark the start and end of the description text on the chart.

Drawing a Guideline00:00:46

Remove the tracing, and using a 2B pencil and a ruler, draw a straight guideline between the marked points.

Writing the Description Text00:00:54

Using a magenta 0.18 pen, write the description text exactly as it appears on the tracing, ensuring clarity and correct case.

Adding the Flare and Removing Markings00:01:09

Finish by adding only the flare, as the existing color can remain. Once complete, use an eraser to remove all pencil markings.

Checking the Update00:01:24

Lay the tracing back over the chart to verify that the correct description has been added in the correct position.

Recording the Update Number00:01:33

After all updates are applied, add the NM update number to the chart's Notices to Mariners section in the bottom left corner.