what is a rhib boat
Rigid-hulled inflatable boat. For boats similar to RIBs but with rigid tubes, see Rigid buoyant boat. A rigid-hulled inflatable boat (RHIB) or rigid-inflatable boat (RIB) is a lightweight but high-performance and high-capacity boat constructed with a solid, shaped hull and flexible tubes at the gunwale. The design is stable and seaworthy.