The 105 meter long self-propelled barge Rudolf-Thea suffered water ingress while sailing in heavy seas on the Ijssel Sea.  The barge loaded with a cargo of gypsum requested assistance from the coast guard at Den Helder.  They dispatched a KNRM rescue boat and tug from Urk, Netherlands.  The vessels escorted the Rudolf-Thea to Lelystad, Netherlands.  No reports of injuries or pollution being released.