[quote=Steamer;24797]Yes. The original registry tonnage was 597, a new bridge was built later and the tonnage increased to 598. Later there were major modifications made to enclose more volume as the use of the ship changed and the tonnage went up to 788.
A ship’s tonnage is a volume measurement made for the purpose of taxation and other regulatory matters. It is not a measure of weight.
The current owners are listing the displacement, probably to make the ship sound larger to some, like many of those who have responded to your question, who don’t know that there is a difference between register tonnage and displacement.
Yours is a reasonable question and it’s a shame that people who should know better could only answer with some wise-ass comment.[/quote]
Thanks for the answer.
So the 1200 tons could be due to modifications that they made like adding the helo pad and such, or it could be an inflated number they are using for PR purposes, or it could be a combination of an actual increase with some exaggeration.