A pt boat (short for patrol torpedo boat) was a torpedo-armed fast attack craft used by the united states navy in world war ii. it was small, fast, and inexpensive to. Traders directory please mention model boat mayhem when you find what you want on here. want to suggest a good link – click here. page last updated: march 2016. Elco 80-foot pt boat. the enemy called them “a monster that roars, flaps its wings, and fires torpedoes.” the american press called them “mosquito boats” and.