RIB Vento 500 Rough Sea Karel Overlaet, RIB Advocate The Vento RIBs are build in Croatia. The company claims that the minimum planning speed is achieved at only 7 knots. Others Also Read...Tornado Yachts - Daniele Parisi presents the new T-RIB 48Funky RIB 500 by Paris Giannikos DesignAdvanced Training in Rough SeaHow to Buy a Rigid Inflatable Boat (RIB) : 10 Thoughts