The Consolidated Model 28, more commonly known as the PBY Catalina (US Navy designation), is a flying boat and amphibious aircraft designed by Consolidated Aircraft in the 1930s and 1940s. In US Army service it was designated the OA-10, in Canadian service as the Canso and it later received the NATO reporting name Mop. It was one of the most widely used seaplanes of World War II. Catalinas served with every branch of the United States Armed Forces and in the air forces and navies of many other n