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. The model pt boat site original boat redrawn. due to the large number of photo’s and books that i have acquired over the years i have decided to redraw the boat. Specifications, 1942 elco 80′ patrol torpedo (pt) boat manufacturer elco naval division of the electric boat company, bayonne, new jersey.