Westermoen Hydrofoil was a shipyard located in Mandal, Norway, which has specialized in high speed craft, and pioneered many designs.
The first boat, Westfoil, with a top speed of 38 knots, was finished in 1962 and was delivered to the Bahamas.
After that, a number of small and large (models PT20 and PT50) hydrofoils were built for passenger traffic in western Norway, in the Oslofjord, Øresund, Bahamas and in Greece.
The Westamaran type, constructed by commander Harald Henriksen and introduced in 1973,[1] was very successful, and a new era of high speed craft in Norway and elsewhere was begun.
One of the final ships produced was a single High-speed Sea Service HSS 900 catamaran for Stena Line in 1997.