Faoilean, our hooker, looked stunning with the sun highlighting her red sails. Leni looked the part at the helm. Bid Ollie, Jenny and the crew adieu, and back on the road again. Weekends are too short. I'm in favour of the three day week.
Today there are two types of charts in use.
The other is the Imperial version, known as Fathom Charts. While map makers are known as cartographers, chart markers are logically known as Hydrographers. They are updated as required. All charts are marked with the date of the surveys used. This is because the sandy and muddy bits of the sea bed move about over the years.