(1996): class of three Finnish high speed ferries withdrawn after a decade due to high fuel consumption (2001): US Navy ocean surveillance ship that uses a SURTASS, additional ships cancelled (2001), University of Hawaii oceanographic research vessel Planet (2005): German Navy weapons and sonar research ship Sea Fighter (2005): US Navy experimental littoral combat ship Silver Cloud (2008): private yacht NOAAS Ferdinand R. Hassler (2009), a NOAA hydrographic survey vessel Type 639 oceanographic surveillance ship (2009): class of six vessels for the Chinese Navy M/V Susitna (2010): ice-capable convertible SWATH/barge Ghost (2011): experimental super-cavitating stealth ship Skrunda-class patrol boat (2011): class of five patrol vessels Iranian high-aspect-ratio twin-hull vessels See also , an experimental US Navy ship with multiple SWATH hulls. References External links Ship types Catamarans