Nasty-type patrol boat
Class of vessel
The Nasty type patrol boats were a series of fast patrol boats designed and built in Norway during the 1950s and 1960s for the Norwegian, and other, navies.
The prototype, Nasty, was designed and built in 1957 as a private venture by Westermoen of... Wikipedia
Armament: 1 × Bofors 40 mm gun; 1 × 20 mm Rheinmetall gun; 4 × 21 in (533 mm) torpedo tubes
Built: 1959–1966
In commission: 1960–1992
Speed: 45 knots (52 mph; 83 km/h)