Steel sailing yacht Cumulant F36, ''Liberty IV'', built in 1987, dim.: 11.05 x 3.28 x 1.7 m., built by Harlinger Yachtbouw in the Netherlands, designed by ir. H.J.W. von Duyn, teak deck, steel structure, round bilged hull, displacement 8.800 kg., ballast 3.400 kg., fuel tank capacity 180 ltr., water tank capacity 300 ltr., sump tank capacity 60 ltr., steering wheel, emergency tiller.
Teak interior, 2 cabins + saloon, 5 berths, toilet, Webasto heating, hot water system, waterpressure system, galley, electric refrigerator, gasstove with oven.