THE Nautica RIB 20' Catamaran is an unusual craft- a Rigid Inflatable Boat with a rigid catamaran hull. Originally designed as a landing craft with a bow area loading ramp, it fulfills many functions. The "loading ramp" lowers to facilitate easy loading of cargo, gas grills, wh«el chairs, stretchers, even small vehiclesl It is ideal for rescue of swimmers/divers as the ramp can be lowered into the water and can then be raised using Ha electric hydraulic ram.