Thanks everyone for identifying her.

It sank at this mooring a few days later though I didn't manage a pic until it was recovered. It is "RV PAX" aka "KALBARRIE". It is now out of the water as a "Mens Shed" restoration project. Another pic from its time as KALBARRIE here:
http://www.shipspotting.com/gallery/photo.php?lid=1349155

Maybe that one, "RV Pax". Check the story at : http://www.smh.com.au/good-weekend/the-saga-of-a-yacht-a-prince-and-an-exrajneeshi-20140925-10doqa.html

I think you are right, Yvon! Looks to me like an YMS-1 Class auxilary motor minesweeper (BYMS Class for those delivered to Great Britain during WW2). YMS-446 subclass to be precise because i can't see any stack. The same class Cousteaus Calypso was converted from.

Hi,
Looks like old wooden minesweeper converted.
Regards,
Yvon