Summary
Highlights
When correcting mistakes on an Admiralty Standard Nautical Chart, use an eraser for pencil markings and a scalpel for pen markings. Avoid using correcting fluid as it can crack and peel, potentially revealing old information.
When updating charts, strive for the highest drafting standards to ensure clarity for yourself and others. This means positions must be exact, depths and symbols clear, and legends and descriptions legible.
It is crucial to have documented and auditable procedures in place to ensure these high standards are met. This should include regular spot checks carried out by colleagues.
For more detailed information and help with updating your charts, consult the publication NP294, 'How to keep your Admiralty Products Up to Date'.