Thanks guys. Mongoose, looking at the photo's it doesn't lok like it and from the pics of it in service, its doesn't seem to have the weathered look that the Trafalgar has. I think i will just do a panel line wash on this one.
Edit: Was just checking some photo's and some of the inservice pics do show the tiles and a rougher look. But the in service pics also show a large rectangular section jutting out along the side of the boat which is not tehre at its launch.
I think i will just go for the cleaner less worn look.