Ah, thanks David. You can't get a much more comprehensive description than that !

Brgds
Phil

Not just recreational. In this case converted for use for commercial purposes as a salvage/diving/accommodation tender. Cabins for 16 in the centre hold, and decompression chamber forward.

http://www.hoekman-maritiem.com/docs/Specs-OD.pdf

That would make more sense Barrie. The term 'yacht' is often used very loosely in shipping databases to describe former commercial vessels now used for private recreational charter - such as sport fishing or dive boats.

Possibly converted to a dive tender/work boat

She looks more like an unconverted fishing vessel.
Brgds
Phil