Saduria, photo Alf Norkko

R/V Saduria is owned by the University of Helsinki and based at Tvärminne Zoological Station (TZS). It is used primarily for one-day sampling trips from TZS.

The vessel has a small laboratory (wet and dry bench) and carries standard sampling equipment such as water samplers, plankton nets, sediment corers and grabs, dredges and trawls, and handheld probes (CTD, oxygen). It has capability for small-scale moorings and deployments. The crew consists of a skipper and a deckhand.

Technical specifications:

Length overall 14.4 m
Beam 4.0 m
Gross tonnage 23 t
Net tonnage 7 t
Draught 1.9 m
Fixed pitch propellers, 2 x 170 kW, cruising speed 8.5 knots
Crane and winch, both with max load of 400 kg.



Director Marko Reinikainen, Research facilitator Joanna Norkko, Skipper Göran Lundberg