The Rigid Hull Inflatable Boat is a high-speed, high-buoyancy, extreme-weather craft with the primary mission of SEAL insertion/extraction and a secondary mission of marine interdiction operations.

The later Model F perfected the flying boat design with the incorporation of a V hull, supplanting the less efficient flat-bottomed hull of the Model E. Among the Curtiss Model E Flying Boats produced ...

High-speed planing hulls are specialized boat ... designs aimed at improving efficiency and performance. Planing Hull: A type of boat hull designed to rise up and glide on the water's surface ...