Tigerwing 8.5 m 56 Knots with Ullman Suspension Seats Karel Overlaet, RIB Advocate Hydrofoil SupportedCAT Tigerwing 8.5 m demos in la Rochelle “Grand Pavois” Boat show (France).It is a 8,5m Rigid Inflatable Boat, twin Suzuki 175 hp, powered with standard gear boxes. Others Also Read...ZERODARK ZD 12.8 R RIB with Ullman SeatsThe 5 Basic Marine Knots You Should KnowUllman Shock Mitigation Seats Overview SlideshowHysucat 28 RIB Hydrofoil Catamaran