Here is the latest update of the Dry Dock, Charter and Groups file.   Please consider this a 'work in progress' which will evolve from month to month. There is some uncertainty as to Zaandam/Amsterdam getting Billboard on Board and whether it will be a full dry dock (with additional maintenance being done) or a wet dock, also, Westerdam is not showing a sailing between 4th January 2020 and 16th January 2020, so she may also be dry docking or maybe a charter. The file consists of inform