The Shantou-class gunboat, was a Chinese built gunboat of the People's Republic of China's People's Liberation Army Navy. Known in the United States as the "Swatow" class gunboat; it was based on the Soviet P-6 class torpedo boat. The boat is designated as Type 55A (55 Jia Xing, 55甲型). Instead of being wooden hulled, and consisting of torpedoes as the main armament, the Shantou class is steel-hulled, with guns as the main armament. The Shantou (or Swatow) is the predecessor of the Type 062 class gunboat, or more commonly known as the Shanghai-I & II class.