On 28/05/2013, in order to carry out the certification of our units with a unit certified PRS (Polish Register of Shipping) performed tests of buoyancy and stability on the water 5 types of boat Mazury Sp.zo.o.: 380, 480, 520, 570 and 650 OPEN. Despite all the efforts of any of the tested boat we could not drown, and our efforts have been successful. Here are the photos of the boat tests.